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VULNERABILITIES

CVE-2020-36430 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.8 HIGHVector:CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26674 CVEIssue TrackingPatchThird Party Advisory
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libass/OSV-2020-2099.yaml CVEThird Party Advisory
https://github.com/libass/libass/commit/017137471d0043e0321e377ed8da48e45a3ec632 CVEPatchThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6JUXFQUJ32GWG5E46A63DFDCYJAF3VU6/ CVE
https://security.gentoo.org/glsa/202208-13 CVEThird Party Advisory

see all 10 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-787Out-of-bounds Write[email protected]

Affected Products

ProductVersions
libass project libass
>= 0.15.0, < 0.15.1

CPE

  • cpe:2.3:a:libass_project:libass:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
fedoraproject fedora
34

CPE

  • cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

9 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2020-36430
NVD Published Date:
Jul 20, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]
CVE-2020-36430 Details - Not Deferred