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: няма данни 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, offscreen bitmap deletion leaves `gdi->drawing` pointing to freed memory, causing UAF when related update packets arrive. A malicious server can trigger a client‑side use after free, 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 7 Extended Lifecycle Support: 0:2.1.1-5.el7_9.1 преди *
- Red Hat Red Hat Enterprise Linux 8: 2:2.11.7-2.el8_10 преди *
- Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support: 2:2.0.0-46.rc4.el8_2.6 преди *
- Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support: 2:2.2.0-7.el8_4 преди *
- Red Hat Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On: 2:2.2.0-7.el8_4 преди *
- Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support: 2:2.2.0-7.el8_6.1 преди *
- Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service: 2:2.2.0-7.el8_6.1 преди *
- Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions: 2:2.2.0-7.el8_6.1 преди *
- Red Hat Red Hat Enterprise Linux 8.8 Telecommunications Update Service: 2:2.2.0-12.el8_8.1 преди *
- Red Hat Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions: 2:2.2.0-12.el8_8.1 преди *
- Red Hat Red Hat Enterprise Linux 9: 2:2.11.7-1.el9_7.1 преди *
- Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions: 2:2.4.1-3.el9_0 преди *
- Red Hat Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions: 2:2.4.1-6.el9_2.2 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
Вид слабост
История
- 19 януари 2026 Публикувано
Други уязвимости в FreeRDP FreeRDP
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-23884
- https://nvd.nist.gov/vuln/detail/CVE-2026-23884
- https://github.com/FreeRDP/FreeRDP/security/advisories/GHSA-cfgj-vc84-f3pp
- https://github.com/FreeRDP/FreeRDP/blob/3370e30e92a021eb680892dda14d642bc8b8727c/libfreerdp/cache/offscreen.c#L114-L122
- https://github.com/FreeRDP/FreeRDP/blob/3370e30e92a021eb680892dda14d642bc8b8727c/libfreerdp/cache/offscreen.c#L87-L91
- https://github.com/FreeRDP/FreeRDP/releases/tag/3.21.0
- https://access.redhat.com/security/cve/CVE-2026-23884
- https://bugzilla.redhat.com/show_bug.cgi?id=2430880
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23884.json
- https://access.redhat.com/errata/RHSA-2026:2714
- 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-2026:3039
- https://access.redhat.com/errata/RHSA-2026:3038
- https://access.redhat.com/errata/RHSA-2026:3036
- https://access.redhat.com/errata/RHSA-2026:3041
- https://access.redhat.com/errata/RHSA-2026:2770
- https://access.redhat.com/errata/RHSA-2026:2824
- https://access.redhat.com/errata/RHSA-2026:2736
- https://access.redhat.com/errata/RHSA-2026:3037
- https://access.redhat.com/errata/RHSA-2026:2048