140 lines
5.9 KiB
JSON
140 lines
5.9 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-2026-67447",
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"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"state": "PUBLISHED",
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"assignerShortName": "GitHub_M",
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"dateReserved": "2026-07-29T15:07:24.992Z",
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"datePublished": "2026-08-20T21:15:06.567Z",
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"dateUpdated": "2026-08-21T16:19:21.564Z"
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},
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"containers": {
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"cna": {
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"title": "Mailpit: SMTP DATA line reader buffers over-limit input before size enforcement",
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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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"lang": "en",
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"description": "CWE-770: Allocation of Resources Without Limits or Throttling",
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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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"metrics": [
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{
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"cvssV3_1": {
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"attackComplexity": "LOW",
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"attackVector": "NETWORK",
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"availabilityImpact": "LOW",
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"baseScore": 5.3,
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"baseSeverity": "MEDIUM",
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"confidentialityImpact": "NONE",
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"integrityImpact": "NONE",
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"privilegesRequired": "NONE",
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"scope": "UNCHANGED",
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"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
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"version": "3.1"
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}
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}
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],
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"references": [
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{
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"name": "https://github.com/axllent/mailpit/security/advisories/GHSA-r553-m4fv-5v97",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/axllent/mailpit/security/advisories/GHSA-r553-m4fv-5v97"
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},
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{
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"name": "https://github.com/axllent/mailpit/commit/8720c6bd8281fc00d458081908f1dbef8e59a98c",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/axllent/mailpit/commit/8720c6bd8281fc00d458081908f1dbef8e59a98c"
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},
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{
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"name": "https://github.com/axllent/mailpit/releases/tag/v1.30.5",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/axllent/mailpit/releases/tag/v1.30.5"
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}
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],
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"affected": [
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{
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"vendor": "axllent",
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"product": "mailpit",
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"versions": [
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{
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"version": ">= 1.30.0, < 1.30.5",
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"status": "affected"
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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": "a0819718-46f1-4df5-94e2-005712e83aaa",
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"shortName": "GitHub_M",
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"dateUpdated": "2026-08-20T21:15:06.567Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Mailpit is an email testing tool and API for developers. From 1.30.0 until 1.30.5, Mailpit's internal/smtpd/smtpd.go readData() function calls bufio.Reader.ReadBytes before applying the len(data)+len(line) size check to the completed SMTP DATA line against Server.MaxSize. An unauthenticated SMTP client can send a single line larger than the configured MaxMessageSize, causing the full line to be allocated before Mailpit returns the 552 5.3.4 rejection. This post-fix gap remains after normal multi-line DATA accumulation was bounded, and concurrent oversized lines can create substantial memory pressure beyond the configured message-size cap. This issue is fixed in version 1.30.5."
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}
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],
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"source": {
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"advisory": "GHSA-r553-m4fv-5v97",
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"discovery": "UNKNOWN"
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}
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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/axllent/mailpit/security/advisories/GHSA-r553-m4fv-5v97",
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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": "2026-08-21T16:18:52.447416Z",
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"id": "CVE-2026-67447",
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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": "yes"
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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": "2026-08-21T16:19:21.564Z"
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}
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}
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]
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}
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} |