150 lines
5.9 KiB
JSON
150 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-2026-59928",
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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": "2026-07-07T18:20:06.126Z",
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"datePublished": "2026-07-08T16:23:21.000Z",
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"dateUpdated": "2026-07-08T19:40:43.968Z"
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},
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"containers": {
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"cna": {
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"title": "Mistune block_parser: quadratic-time parsing on long lists of repeated reference-link definitions",
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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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"lang": "en",
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"description": "CWE-407: Inefficient Algorithmic Complexity",
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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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"descriptions": [
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{
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"cweId": "CWE-1333",
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"lang": "en",
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"description": "CWE-1333: Inefficient Regular Expression Complexity",
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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": "HIGH",
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"baseScore": 7.5,
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"baseSeverity": "HIGH",
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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:H",
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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/lepture/mistune/security/advisories/GHSA-ffq3-xpv3-j92q",
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"tags": [
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"x_refsource_CONFIRM"
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],
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"url": "https://github.com/lepture/mistune/security/advisories/GHSA-ffq3-xpv3-j92q"
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},
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{
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"name": "https://github.com/lepture/mistune/commit/2b04d7ba341c16ac78fe82d3076bdd5c3de87c69",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/lepture/mistune/commit/2b04d7ba341c16ac78fe82d3076bdd5c3de87c69"
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},
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{
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"name": "https://github.com/lepture/mistune/releases/tag/v3.3.0",
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"tags": [
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"x_refsource_MISC"
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],
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"url": "https://github.com/lepture/mistune/releases/tag/v3.3.0"
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}
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],
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"affected": [
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{
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"vendor": "lepture",
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"product": "mistune",
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"versions": [
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{
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"version": "< 3.3.0",
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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": "2026-07-08T16:23:21.000Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, a Markdown document containing many repeated or distinct reference-link definitions causes quadratic work in src/mistune/block_parser.py and the ref_links environment dictionary handling, allowing denial of service through CPU exhaustion. This issue is fixed in version 3.3.0."
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}
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],
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"source": {
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"advisory": "GHSA-ffq3-xpv3-j92q",
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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/lepture/mistune/security/advisories/GHSA-ffq3-xpv3-j92q",
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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": "2026-07-08T17:46:13.539153Z",
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"id": "CVE-2026-59928",
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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": "2026-07-08T19:40:43.968Z"
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}
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}
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]
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}
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} |