CVE-2020-36430

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.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.11%
Vendor Advisory fedoraproject.org Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/libass/OSV-2020-2099.yaml third party advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26674 issue tracking third party advisory patch
https://github.com/libass/libass/commit/017137471d0043e0321e377ed8da48e45a3ec632 third party advisory patch
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6JUXFQUJ32GWG5E46A63DFDCYJAF3VU6/ vendor advisory
https://security.gentoo.org/glsa/202208-13 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-36430?
CVE-2020-36430 has been scored as a high severity vulnerability.
How to fix CVE-2020-36430?
To fix CVE-2020-36430, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-36430 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-36430 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.