CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката може да се автоматизира
Описание
Оригинално описание
HTML::Entities versions before 3.84 for Perl read freed heap memory in _decode_entities. The 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. The read may disclose adjacent heap contents into the destination SV.
Засегнати продукти
- OALDERS HTML::Entities: преди 3.84
Вид слабост
История
- 4 юни 2026 Публикувано
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-8829
- https://nvd.nist.gov/vuln/detail/CVE-2026-8829
- https://github.com/libwww-perl/HTML-Parser/pull/56
- https://github.com/libwww-perl/HTML-Parser/commit/6922552b0778c90a9587a3894e248be4d3a25e1c.patch
- http://www.openwall.com/lists/oss-security/2026/06/04/2
- https://lists.debian.org/debian-lts-announce/2026/06/msg00044.html