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Status published
High
CVE-2020-36430
libass 0.15.x before 0.15.1 has a heap-based buffer overflow in...
Vulnerability Description
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libass/OSV-2020-2099.yaml
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26674
- https://github.com/libass/libass/commit/017137471d0043e0321e377ed8da48e45a3ec632
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6JUXFQUJ32GWG5E46A63DFDCYJAF3VU6/
- https://security.gentoo.org/glsa/202208-13
Affected Vendor
libass project
View all reports →Affected Software
libass, fedora
Vulnerable Versions:
0.15.0, 34
Timeline
Official Publish:
July 20th, 2021
Last Modified:
August 4th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.