Out-of-bounds Write Affecting libass package, versions *
Threat Intelligence
EPSS
0.11% (45th
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU1404-LIBASS-1320353
- published 21 Jul 2021
- disclosed 20 Jul 2021
Introduced: 20 Jul 2021
CVE-2020-36430 Open this link in a new tabHow to fix?
There is no fixed version for Ubuntu:14.04 libass.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libass package and not the libass package as distributed by Ubuntu.
See How to fix? for Ubuntu:14.04 relevant fixed versions and status.
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.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2020-36430
- 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/libass/libass/commit/017137471d0043e0321e377ed8da48e45a3ec632
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6JUXFQUJ32GWG5E46A63DFDCYJAF3VU6/
- https://security.gentoo.org/glsa/202208-13
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6JUXFQUJ32GWG5E46A63DFDCYJAF3VU6/
CVSS Scores
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