CVE-2026-56208
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Przepełnienie bufora w libaom umożliwia zdalne wykonanie kodu lub powoduje awarię usługi.
CVSS
7.6
EPSS
0.4%
Exploit
none
Vendor
Opis źródłowy (NVD)
A heap buffer overflow vulnerability was found in libaom, the reference AV1 codec implementation. A flaw in the AV1 encoder's Look-Ahead Processing (LAP) mode causes the first-pass stats ring buffer wrap-around guard to be bypassed when g_lag_in_frames is set to 1 or higher. This results in a 232-byte out-of-bounds write on every encoded frame after the second, corrupting adjacent heap objects. An attacker who can influence encoder configuration in a transcoding service or WebRTC session could exploit this to cause a denial of service (process crash) or potentially achieve code execution.
buffer-overflow dos
Brak patcha
Źródła i daty
| Źródło | Wartość |
|---|---|
| NVD – CVSS | 7.6 |
| CISA KEV (aktywnie wykorzystywane) | Nie |
| FIRST EPSS (prawdopodobieństwo exploita) | 0.4% |
| Opublikowano (NVD) | 2026-06-19 17:16:30 UTC |
| Ostatnia modyfikacja (NVD) | 2026-08-27 17:18:49 UTC |
Referencje
- https://access.redhat.com/errata/RHSA-2026:30814 (secalert@redhat.com)
- https://access.redhat.com/errata/RHSA-2026:42875 (secalert@redhat.com)
- https://access.redhat.com/errata/RHSA-2026:47104 (secalert@redhat.com)
- https://access.redhat.com/errata/RHSA-2026:47105 (secalert@redhat.com)
- https://access.redhat.com/errata/RHSA-2026:51100 (secalert@redhat.com)
- https://access.redhat.com/errata/RHSA-2026:51146 (secalert@redhat.com)
- https://access.redhat.com/errata/RHSA-2026:54180 (secalert@redhat.com)
- https://access.redhat.com/errata/RHSA-2026:54181 (secalert@redhat.com)
- https://access.redhat.com/errata/RHSA-2026:54182 (secalert@redhat.com)
- https://access.redhat.com/errata/RHSA-2026:54185 (secalert@redhat.com)
- https://access.redhat.com/errata/RHSA-2026:54248 (secalert@redhat.com)
- https://access.redhat.com/errata/RHSA-2026:54249 (secalert@redhat.com)
- https://access.redhat.com/errata/RHSA-2026:54259 (secalert@redhat.com)
- https://access.redhat.com/errata/RHSA-2026:54339 (secalert@redhat.com)
- https://access.redhat.com/errata/RHSA-2026:60520 (secalert@redhat.com)
- https://access.redhat.com/security/cve/CVE-2026-56208 (secalert@redhat.com)
- https://aomedia.googlesource.com/aom/+/243f8ae84b (secalert@redhat.com)
- https://bugzilla.redhat.com/show_bug.cgi?id=2490799 (secalert@redhat.com)
- https://issues.chromium.org/issues/504317456 (secalert@redhat.com)
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-56208.json (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)