Vulnerability · Published Oct 16, 2020 · Assigned by mitre
CVE-2020-26682
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 1.8% (higher than 79% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.8%top 21.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
In libass 0.14.0, the `ass_outline_construct`'s call to `outline_stroke` causes a signed integer overflow.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libass | 1:0.15.0-1 | DEBIAN-CVE-2020-26682 |
| Debian:13 | libass | 1:0.15.0-1 | DEBIAN-CVE-2020-26682 |
| Debian:14 | libass | 1:0.15.0-1 | DEBIAN-CVE-2020-26682 |
Affected products (as reported)
References
- https://github.com/libass/libass/issues/431 x_refsource_MISC
- https://github.com/libass/libass/pull/432 x_refsource_MISC
- [oss-security] 20201119 Re: libass ass_outline.c signed integer overflow mailing-list, x_refsource_MLIST
- GLSA-202012-12 vendor-advisory, x_refsource_GENTOO