281 lines
14 KiB
JSON
281 lines
14 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2026-82728",
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"assignerOrgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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"state": "PUBLISHED",
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"assignerShortName": "EEF",
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"dateReserved": "2026-08-31T00:59:08.960Z",
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"datePublished": "2026-09-04T14:31:30.059Z",
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"dateUpdated": "2026-09-04T19:32:44.727Z"
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},
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"containers": {
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"cna": {
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"affected": [
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{
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"collectionURL": "https://repo.hex.pm",
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"cpes": [
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"cpe:2.3:a:elixir-mint:mint:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.Mint.HTTP1'"
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],
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"packageName": "mint",
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"packageURL": "pkg:hex/mint",
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"product": "mint",
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"programFiles": [
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"lib/mint/http1.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.Mint.HTTP1':decode_status_line/4"
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},
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{
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"name": "'Elixir.Mint.HTTP1':decode_body/5"
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}
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],
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"repo": "https://github.com/elixir-mint/mint",
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"vendor": "elixir-mint",
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"versions": [
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{
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"lessThan": "1.10.0",
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"status": "affected",
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"version": "0.1.0",
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"versionType": "semver"
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}
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]
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},
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{
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"collectionURL": "https://github.com",
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"cpes": [
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"cpe:2.3:a:elixir-mint:mint:*:*:*:*:*:*:*:*"
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],
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"defaultStatus": "unaffected",
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"modules": [
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"'Elixir.Mint.HTTP1'"
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],
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"packageName": "elixir-mint/mint",
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"packageURL": "pkg:github/elixir-mint/mint",
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"product": "mint",
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"programFiles": [
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"lib/mint/http1.ex"
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],
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"programRoutines": [
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{
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"name": "'Elixir.Mint.HTTP1':decode_status_line/4"
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},
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{
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"name": "'Elixir.Mint.HTTP1':decode_body/5"
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}
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],
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"repo": "https://github.com/elixir-mint/mint",
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"vendor": "elixir-mint",
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"versions": [
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{
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"lessThan": "19be5558b6a317e271c78666498dd78b151e490a",
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"status": "affected",
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"version": "c088e4b6430545338841ab8d294369e45d39856a",
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"versionType": "git"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"cpeMatch": [
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{
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"criteria": "cpe:2.3:a:elixir-mint:mint:*:*:*:*:*:*:*:*",
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"versionEndExcluding": "1.10.0",
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"versionStartIncluding": "0.1.0",
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"vulnerable": true
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}
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],
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"negate": false,
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"operator": "OR"
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}
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],
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"operator": "AND"
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}
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],
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"credits": [
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{
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"lang": "en",
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"type": "finder",
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"value": "Tr3bor"
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},
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{
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"lang": "en",
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"type": "reporter",
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"value": "Tr3bor"
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},
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{
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"lang": "en",
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"type": "remediation developer",
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"value": "Andrea Leopardi"
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},
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{
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"lang": "en",
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"type": "coordinator",
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"value": "Jonatan Männchen / EEF"
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}
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],
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"descriptions": [
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{
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"lang": "en",
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"supportingMedia": [
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{
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"base64": false,
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"type": "text/html",
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"value": "<p>Allocation of Resources Without Limits or Throttling vulnerability in elixir-mint mint allows a remote HTTP server to exhaust memory on the client host and cause a denial of service.</p>\n<p>Two HTTP/1 response-parser states accumulate server data without any cap. In <code>lib/mint/http1.ex</code>, <code>decode_status_line/4</code> stores the unconsumed data in <code>conn.buffer</code> when the status line is incomplete, and <code>decode_body/5</code> does the same for an unterminated chunk-extension line. Both wait for a CRLF the server never has to send, and <code>conn.buffer</code> is prepended to every subsequent socket message. The <code>:max_header_list_size</code> budget is wired only into <code>decode_headers/5</code> and <code>decode_trailer_headers/4</code>, so neither of these states is covered by it. A malicious server, or one reached through an attacker-controlled redirect or a fetched URL, streams bytes indefinitely until the BEAM node is killed by the operating system out-of-memory handler. The chunk-extension variant is reached after a valid status line and a complete, valid header section, so an intermediary inspecting only headers sees an ordinary 200 response.</p>\n<p>This issue affects mint: from 0.1.0 before 1.10.0.</p>"
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},
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{
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"base64": false,
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"type": "text/markdown",
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"value": "Allocation of Resources Without Limits or Throttling vulnerability in elixir-mint mint allows a remote HTTP server to exhaust memory on the client host and cause a denial of service.\n\nTwo HTTP/1 response-parser states accumulate server data without any cap. In `lib/mint/http1.ex`, `decode_status_line/4` stores the unconsumed data in `conn.buffer` when the status line is incomplete, and `decode_body/5` does the same for an unterminated chunk-extension line. Both wait for a CRLF the server never has to send, and `conn.buffer` is prepended to every subsequent socket message. The `:max_header_list_size` budget is wired only into `decode_headers/5` and `decode_trailer_headers/4`, so neither of these states is covered by it. A malicious server, or one reached through an attacker-controlled redirect or a fetched URL, streams bytes indefinitely until the BEAM node is killed by the operating system out-of-memory handler. The chunk-extension variant is reached after a valid status line and a complete, valid header section, so an intermediary inspecting only headers sees an ordinary 200 response.\n\nThis issue affects mint: from 0.1.0 before 1.10.0."
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}
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],
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"value": "Allocation of Resources Without Limits or Throttling vulnerability in elixir-mint mint allows a remote HTTP server to exhaust memory on the client host and cause a denial of service.\n\nTwo HTTP/1 response-parser states accumulate server data without any cap. In lib/mint/http1.ex, decode_status_line/4 stores the unconsumed data in conn.buffer when the status line is incomplete, and decode_body/5 does the same for an unterminated chunk-extension line. Both wait for a CRLF the server never has to send, and conn.buffer is prepended to every subsequent socket message. The :max_header_list_size budget is wired only into decode_headers/5 and decode_trailer_headers/4, so neither of these states is covered by it. A malicious server, or one reached through an attacker-controlled redirect or a fetched URL, streams bytes indefinitely until the BEAM node is killed by the operating system out-of-memory handler. The chunk-extension variant is reached after a valid status line and a complete, valid header section, so an intermediary inspecting only headers sees an ordinary 200 response.\n\nThis issue affects mint: from 0.1.0 before 1.10.0."
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}
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],
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"impacts": [
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{
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"capecId": "CAPEC-130",
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"descriptions": [
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{
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"lang": "en",
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"value": "CAPEC-130 Excessive Allocation"
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}
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]
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}
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],
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"metrics": [
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{
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"cvssV4_0": {
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"Automatable": "NOT_DEFINED",
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"Recovery": "NOT_DEFINED",
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"Safety": "NOT_DEFINED",
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"attackComplexity": "LOW",
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"attackRequirements": "PRESENT",
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"attackVector": "NETWORK",
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"baseScore": 8.2,
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"baseSeverity": "HIGH",
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"privilegesRequired": "NONE",
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"providerUrgency": "NOT_DEFINED",
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"subAvailabilityImpact": "NONE",
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"subConfidentialityImpact": "NONE",
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"subIntegrityImpact": "NONE",
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"userInteraction": "NONE",
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"valueDensity": "NOT_DEFINED",
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"vectorString": "CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N",
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"version": "4.0",
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"vulnAvailabilityImpact": "HIGH",
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"vulnConfidentialityImpact": "NONE",
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"vulnIntegrityImpact": "NONE",
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"vulnerabilityResponseEffort": "NOT_DEFINED"
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},
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"format": "CVSS",
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"scenarios": [
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{
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"lang": "en",
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"value": "GENERAL"
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}
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]
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}
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],
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"problemTypes": [
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{
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"descriptions": [
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{
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"cweId": "CWE-770",
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"description": "CWE-770 Allocation of Resources Without Limits or Throttling",
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"lang": "en",
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"type": "CWE"
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}
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]
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}
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],
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"providerMetadata": {
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"orgId": "6b3ad84c-e1a6-4bf7-a703-f496b71e49db",
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"shortName": "EEF",
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"dateUpdated": "2026-09-04T14:31:30.059Z"
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},
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"references": [
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{
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"tags": [
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"vendor-advisory",
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"related"
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],
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"url": "https://github.com/elixir-mint/mint/security/advisories/GHSA-g83f-2j6r-q6m4"
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},
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{
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"tags": [
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"related"
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],
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"url": "https://cna.erlef.org/cves/CVE-2026-82728.html"
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},
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{
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"tags": [
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"related"
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],
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"url": "https://osv.dev/vulnerability/EEF-CVE-2026-82728"
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},
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{
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"tags": [
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"patch"
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],
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"url": "https://github.com/elixir-mint/mint/commit/19be5558b6a317e271c78666498dd78b151e490a"
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}
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],
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"source": {
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"discovery": "EXTERNAL"
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},
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"title": "Unbounded HTTP/1 status-line and chunk-extension buffering in Mint causes memory-exhaustion DoS"
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},
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"adp": [
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{
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"references": [
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{
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"url": "https://github.com/elixir-mint/mint/security/advisories/GHSA-g83f-2j6r-q6m4",
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"tags": [
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"exploit"
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]
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}
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],
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"timestamp": "2026-09-04T19:32:07.642690Z",
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"id": "CVE-2026-82728",
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"options": [
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{
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"Exploitation": "poc"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"role": "CISA Coordinator",
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"version": "2.0.3"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-09-04T19:32:44.727Z"
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}
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}
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]
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}
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} |