Vulnerability · Published Mar 23, 2021 · Assigned by mitre
CVE-2020-24994
High 8.8
In plain English
A high-severity security flaw in the libass package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.6% (higher than 86% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)2.6%top 14.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Stack overflow in the parse_tag function in libass/ass_parse.c in libass before 0.15.0 allows remote attackers to cause a denial of service or remote code execution via a crafted file.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libass | 1:0.15.0-1 | DEBIAN-CVE-2020-24994 |
| Debian:13 | libass | 1:0.15.0-1 | DEBIAN-CVE-2020-24994 |
| Debian:14 | libass | 1:0.15.0-1 | DEBIAN-CVE-2020-24994 |
Affected products (as reported)
References
- https://github.com/libass/libass/issues/422 x_refsource_MISC
- https://github.com/libass/libass/issues/423 x_refsource_MISC
- https://github.com/libass/libass/issues/422#issuecomment-806002919 x_refsource_MISC
- https://github.com/libass/libass/commit/6835731c2fe4164a0c50bc91d12c43b2a2b4e x_refsource_MISC