CVE-2020-26682 — HIGH (8.8)

Vulnerability Description

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

CVSS Score

8.8

HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Affected Products

Vendor	Product	Versions
Libass Project	Libass	0.14.0

Related Weaknesses (CWE)

CWE-190

References

http://www.openwall.com/lists/oss-security/2020/11/19/7ExploitIssue TrackingMailing List
https://github.com/libass/libass/issues/431ExploitIssue TrackingThird Party Advisory
https://github.com/libass/libass/pull/432Issue TrackingThird Party Advisory
https://security.gentoo.org/glsa/202012-12Third Party Advisory
http://www.openwall.com/lists/oss-security/2020/11/19/7ExploitIssue TrackingMailing List
https://github.com/libass/libass/issues/431ExploitIssue TrackingThird Party Advisory
https://github.com/libass/libass/pull/432Issue TrackingThird Party Advisory
https://security.gentoo.org/glsa/202012-12Third Party Advisory

FAQ

What is CVE-2020-26682?

CVE-2020-26682 is a vulnerability with a CVSS score of 8.8 (HIGH). In libass 0.14.0, the `ass_outline_construct`'s call to `outline_stroke` causes a signed integer overflow.

How severe is CVE-2020-26682?

CVE-2020-26682 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-26682?

Check the references section above for vendor advisories and patch information. Affected products include: Libass Project Libass.