{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-15646", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2026-05-22T10:47:01.107Z", "datePublished": "2026-07-01T14:38:03.727Z", "dateUpdated": "2026-07-01T18:09:08.371Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "packageName": "HTML-Gumbo", "product": "HTML::Gumbo", "programFiles": ["lib/HTML/Gumbo.xs"], "programRoutines": [{"name": "walk_tree"}], "repo": "https://github.com/bestpractical/HTML-Gumbo", "vendor": "BPS", "versions": [{"lessThan": "0.19", "status": "affected", "version": "0", "versionType": "custom"}]}], "credits": [{"lang": "en", "type": "finder", "value": "Vincent Lefevre"}, {"lang": "en", "type": "remediation developer", "value": "Niko Tyni"}], "descriptions": [{"lang": "en", "value": "HTML::Gumbo versions before 0.19 for Perl disclose heap memory via type confusion.\n\nSupport for the <template> element was added to libgumbo 0.10.0 in 2015, but the walk_tree function in lib/HTML/Gumbo.xs was not updated to support it. The element was treated as a text-node, where strlen() over-reads the heap block that the pointer addresses.\n\nAny caller that runs parse() with the default format => 'string', or with format => 'tree', on input containing a <template> element serializes the over-read bytes into the returned result, disclosing bounded heap contents. format => 'callback' reaches a croak on the unhandled node type and is unaffected."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-843", "description": "CWE-843 Access of Resource Using Incompatible Type (Type Confusion)", "lang": "en", "type": "CWE"}]}, {"descriptions": [{"cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-07-01T14:38:03.727Z"}, "references": [{"tags": ["patch"], "url": "https://github.com/bestpractical/HTML-Gumbo/commit/15c0598909d4a64f47ef0a1abc5051f4e113c186.patch"}, {"tags": ["release-notes"], "url": "https://metacpan.org/release/BPS/HTML-Gumbo-0.19/changes"}, {"tags": ["issue-tracking"], "url": "https://bugs.debian.org/1104789"}], "solutions": [{"lang": "en", "value": "Upgrade to HTML-Gumbo 0.19 or later, which adds GUMBO_NODE_TEMPLATE to the container node types handled by walk_tree."}], "source": {"discovery": "UNKNOWN"}, "timeline": [{"lang": "en", "time": "2015-04-30T00:00:00.000Z", "value": "Gumbo 0.10.0 released with support for the <template> element."}, {"lang": "en", "time": "2025-05-06T00:00:00.000Z", "value": "Reported to the Debian bug tracker (#1104789)."}, {"lang": "en", "time": "2025-05-17T00:00:00.000Z", "value": "Fix committed upstream."}, {"lang": "en", "time": "2026-05-21T00:00:00.000Z", "value": "Version 0.19 released with fix."}], "title": "HTML::Gumbo versions before 0.19 for Perl disclose heap memory via type confusion", "x_generator": {"engine": "cpansec-cna-tool 0.1"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "http://www.openwall.com/lists/oss-security/2026/07/01/7"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-07-01T17:36:44.275Z"}}, {"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-07-01T18:08:40.682429Z", "id": "CVE-2025-15646", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-01T18:09:08.371Z"}}]}}

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