{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-8829", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2026-05-18T13:24:05.252Z", "datePublished": "2026-06-04T02:03:46.702Z", "dateUpdated": "2026-06-04T02:03:46.702Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "packageName": "HTML-Parser", "product": "HTML::Entities", "programFiles": ["util.c"], "programRoutines": [{"name": "HTML::Entities::_decode_entities"}], "repo": "https://github.com/libwww-perl/HTML-Parser", "vendor": "OALDERS", "versions": [{"lessThan": "3.84", "status": "affected", "version": "0", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "HTML::Entities versions before 3.84 for Perl read freed heap memory in _decode_entities.\n\nThe XS routine backing HTML::Entities::_decode_entities cached a pointer (repl) into the entity-value SV returned by hv_fetch on the entity2char hash. When the input SV was identical to a value SV in that hash, and that value contained its own key as an entity reference, a later call to grow_gap() reallocated the SV's PV buffer and freed the backing allocation that repl still pointed into. The subsequent copy loop read repl_len bytes from the freed allocation.\n\nThe read may disclose adjacent heap contents into the destination SV."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-416", "description": "CWE-416 Use After Free", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-06-04T02:03:46.702Z"}, "references": [{"tags": ["patch"], "url": "https://github.com/libwww-perl/HTML-Parser/pull/56"}, {"tags": ["patch"], "url": "https://github.com/libwww-perl/HTML-Parser/commit/6922552b0778c90a9587a3894e248be4d3a25e1c.patch"}], "solutions": [{"lang": "en", "value": "Upgrade to HTML-Parser 3.84 or later."}], "source": {"discovery": "UNKNOWN"}, "timeline": [{"lang": "en", "time": "2026-05-12T00:00:00.000Z", "value": "Issue reported."}, {"lang": "en", "time": "2026-05-19T00:00:00.000Z", "value": "HTML-Parser 3.84 released."}], "title": "HTML::Entities versions before 3.84 for Perl read freed heap memory in _decode_entities", "x_generator": {"engine": "cpansec-cna-tool 0.1"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "HTML::Entities versions before 3.84 for Perl read freed heap memory in _decode_entities.\n\nThe XS routine backing HTML::Entities::_decode_entities cached a pointer (repl) into the entity-value SV returned by hv_fetch on the entity2char hash. When the input SV was identical to a value SV in that hash, and that value contained its own key as an entity reference, a later call to grow_gap() reallocated the SV's PV buffer and freed the backing allocation that repl still pointed into. The subsequent copy loop read repl_len bytes from the freed allocation.\n\nThe read may disclose adjacent heap contents into the destination SV."}], "id": "CVE-2026-8829", "lastModified": "2026-06-04T03:16:20.260", "metrics": {}, "published": "2026-06-04T03:16:20.260", "references": [{"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/libwww-perl/HTML-Parser/commit/6922552b0778c90a9587a3894e248be4d3a25e1c.patch"}, {"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "url": "https://github.com/libwww-perl/HTML-Parser/pull/56"}], "sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-416"}], "source": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "type": "Secondary"}]}

{}

{}