7.7
CVSS 4.0
Няма данни
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Няма потвърждение
Атакува се
Няма данни
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
- Експлоатация: има публичен пример за експлоатация
- Атаката може да се автоматизира
Описание
Оригинално описание
FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to version 3.21.0, a client-side heap buffer overflow occurs in the ClearCodec bands decode path when crafted band coordinates allow writes past the end of the destination surface buffer. A malicious server can trigger a client‑side heap buffer overflow, causing a crash (DoS) and potential heap corruption with code‑execution risk depending on allocator behavior and surrounding heap layout. Version 3.21.0 contains a patch for the issue.
Засегнати продукти
- FreeRDP FreeRDP: < 3.21.0
- Red Hat Red Hat Enterprise Linux 10: 2:3.10.3-5.el10_1.1 преди *
- Red Hat Red Hat Enterprise Linux 10.0 Extended Update Support: 2:3.10.3-3.el10_0.1 преди *
- Red Hat Red Hat Enterprise Linux 8: 2:2.11.7-2.el8_10 преди *
- Red Hat Red Hat Enterprise Linux 9: 2:2.11.7-1.el9_7.1 преди *
- Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support: 2:2.11.2-1.el9_4.1 преди *
- Red Hat Red Hat Enterprise Linux 9.6 Extended Update Support: 2:2.11.7-1.el9_6.1 преди *
- Red Hat Red Hat Enterprise Linux 6
- Red Hat Red Hat Enterprise Linux 7
Вид слабост
История
- 19 януари 2026 Публикувано
Други уязвимости в FreeRDP FreeRDP
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-23534
- https://nvd.nist.gov/vuln/detail/CVE-2026-23534
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-3frr-mp8w-4599
- https://github.com/FreeRDP/FreeRDP/blob/38514dfa5813aa945a86cfbcec279033f8394468/libfreerdp/codec/clear.c#L878-L879
- https://github.com/FreeRDP/FreeRDP/blob/38514dfa5813aa945a86cfbcec279033f8394468/libfreerdp/codec/clear.c#L883-L884
- https://github.com/FreeRDP/FreeRDP/releases/tag/3.21.0
- https://access.redhat.com/security/cve/CVE-2026-23534
- https://bugzilla.redhat.com/show_bug.cgi?id=2430888
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23534.json
- https://access.redhat.com/errata/RHSA-2026:2952
- https://access.redhat.com/errata/RHSA-2026:2222
- https://access.redhat.com/errata/RHSA-2026:2081
- https://access.redhat.com/errata/RHSA-2026:2736
- https://access.redhat.com/errata/RHSA-2026:3037
- https://access.redhat.com/errata/RHSA-2026:2048