ALT-PU-2022-2492-1
Closed vulnerabilities
Published: 2021-07-20
BDU:2022-02042
Уязвимость функции decode_chars рендерера субтитров формата ASS/SSA Libass, позволяющая нарушителю получить доступ к конфиденциальным данным, нарушить их целостность, а также вызвать отказ в обслуживании
Severity: HIGH (8.8)
Vector: AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References:
Published: 2021-07-20
Modified: 2024-11-21
Modified: 2024-11-21
CVE-2020-36430
libass 0.15.x before 0.15.1 has a heap-based buffer overflow in decode_chars (called from decode_font and process_text) because the wrong integer data type is used for subtraction.
Severity: HIGH (7.8)
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
References:
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26674
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26674
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libass/OSV-2020-2099.yaml
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libass/OSV-2020-2099.yaml
- https://github.com/libass/libass/commit/017137471d0043e0321e377ed8da48e45a3ec632
- https://github.com/libass/libass/commit/017137471d0043e0321e377ed8da48e45a3ec632
- FEDORA-2022-2af150223a
- FEDORA-2022-2af150223a
- GLSA-202208-13
- GLSA-202208-13