High severity · published Oct 16, 2020
CVE-2020-26682
In libass 0.14.0, the `ass_outline_construct`'s call to `outline_stroke` causes a signed integer overflow
8.8
CVSS
1.8%
EPSS
No
On KEV
Description
In libass 0.14.0, the `ass_outline_construct`'s call to `outline_stroke` causes a signed integer overflow.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.8% · higher than 78% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libass · Libass Project
0.14.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2020-26682
CVE.org
https://www.cve.org/CVERecord?id=CVE-2020-26682
Exploit
http://www.openwall.com/lists/oss-security/2020/11/19/7
Exploit
https://github.com/libass/libass/issues/431
Issue Tracking
https://github.com/libass/libass/pull/432
Third Party Advisory
https://security.gentoo.org/glsa/202012-12
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