177 lines
7.5 KiB
JSON
177 lines
7.5 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-2026-53433",
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"assignerOrgId": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6",
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"state": "PUBLISHED",
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"assignerShortName": "CERT-PL",
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"dateReserved": "2026-06-09T11:41:37.126Z",
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"datePublished": "2026-06-30T12:01:14.407Z",
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"dateUpdated": "2026-06-30T13:32:52.251Z"
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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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"defaultStatus": "unaffected",
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"product": "fzf",
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"programFiles": [
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"src/server.go"
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],
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"repo": "https://github.com/junegunn/fzf",
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"vendor": "fzf",
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"versions": [
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{
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"lessThan": "0.73.1",
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"status": "affected",
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"version": "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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"credits": [
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{
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"lang": "en",
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"type": "finder",
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"value": "Michał Majchrowicz (AFINE Team)"
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},
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{
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"lang": "en",
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"type": "finder",
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"value": "Marcin Wyczechowski (AFINE Team)"
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}
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],
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"datePublic": "2026-06-30T12:01:00.000Z",
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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": "fzf is vulnerable to a Denial of Service (DoS) due to inefficient HTTP body processing in the --listen <span style=\"background-color: rgba(221, 223, 228, 0.04);\">mode due to inefficient HTTP body processing using repeated string concatenation, resulting in quadratic time complexity (O(n²)). A crafted POST request with many small segments can trigger excessive CPU usage during request handling.</span>This allows a single malicious request to monopolize the single‑threaded HTTP server, blocking all other clients and resulting in denial of service.<br><span style=\"background-color: rgb(255, 255, 255);\"><span style=\"background-color: rgb(255, 255, 255);\"><br></span></span>This issue was fixed in version 0.73.1.<br>"
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}
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],
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"value": "fzf is vulnerable to a Denial of Service (DoS) due to inefficient HTTP body processing in the --listen mode due to inefficient HTTP body processing using repeated string concatenation, resulting in quadratic time complexity (O(n²)). A crafted POST request with many small segments can trigger excessive CPU usage during request handling.This allows a single malicious request to monopolize the single‑threaded HTTP server, blocking all other clients and resulting in denial of service.\n\nThis issue was fixed in version 0.73.1."
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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": "LOCAL",
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"baseScore": 5.7,
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"baseSeverity": "MEDIUM",
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"privilegesRequired": "LOW",
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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:L/AC:L/AT:P/PR:L/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-407",
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"description": "CWE-407 Inefficient Algorithmic Complexity",
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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": "4bb8329e-dd38-46c1-aafb-9bf32bcb93c6",
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"shortName": "CERT-PL",
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"dateUpdated": "2026-06-30T12:01:14.407Z"
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},
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"references": [
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{
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"tags": [
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"third-party-advisory"
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],
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"url": "https://cert.pl/en/posts/2026/06/CVE-2026-53432"
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},
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{
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"tags": [
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"product"
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],
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"url": "https://github.com/junegunn/fzf"
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},
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{
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"tags": [
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"issue-tracking"
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],
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"url": "https://github.com/junegunn/fzf/commit/7963a2c6586c0b9eaa89b8995de8f0e08cf8a4ce"
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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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"tags": [
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"x_open-source"
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],
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"title": "Denial of Service in fzf",
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"x_generator": {
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"engine": "Vulnogram 0.2.0"
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}
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},
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"adp": [
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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": "2026-06-30T13:32:32.210950Z",
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"id": "CVE-2026-53433",
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"options": [
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{
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"Exploitation": "none"
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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": "2026-06-30T13:32:52.251Z"
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}
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}
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]
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}
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} |