CVE-2020-26682

In libass 0.14.0, the `ass_outline_construct`'s call to `outline_stroke` causes a signed integer overflow.

CVSS v3.1 NVD

8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CVSS v2.0 NVD

6.8 MEDIUMAV:N/AC:M/Au:N/C:P/I:P/A:P

EPSS

1.80% chance of exploitation in the next 30 days, 78th percentile

Published

2020-10-16

Updated

2024-08-04

Proof-of-concept exploits (1)

• libass/libass/issues/4311186★ · 2026-09-17

Security advisories

• http://www.openwall.com/lists/oss-security/2020/11/19/7
• https://security.gentoo.org/glsa/202012-12

References

• CVE Record
• NVD entry