VulnerabilityModified
CVE-2020-26682
In libass 0.14.0, the `ass_outline_construct`'s call to `outline_stroke` causes a signed integer overflow.
HIGH 8.8EPSS 1.81%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.81%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In libass 0.14.0, the `ass_outline_construct`'s call to `outline_stroke` causes a signed integer overflow.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.81% probability · 77th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- libass project/libass
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2020/11/19/7Exploit, Issue Tracking, Mailing List, Third Party Advisory
- https://github.com/libass/libass/issues/431Exploit, Issue Tracking, Third Party Advisory
- https://github.com/libass/libass/pull/432Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202012-12Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/11/19/7Exploit, Issue Tracking, Mailing List, Third Party Advisory
- https://github.com/libass/libass/issues/431Exploit, Issue Tracking, Third Party Advisory
- https://github.com/libass/libass/pull/432Issue Tracking, Third Party Advisory
- https://security.gentoo.org/glsa/202012-12Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.