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CVE-2020-26682

22
FAUCET Score

CVE-2020-26682 is a high-severity signed integer overflow vulnerability affecting libass 0.14.0, specifically within the ass_outline_construct function's call to outline_stroke. This flaw carries a CVSS score of 8.8, indicating a critical risk due to its network-based attack vector, low attack complexity, and high potential for confidentiality, integrity, and availability impacts. Despite its severity, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
0.14.0CPE matchmatch criteria
cpe:2.3:a:libass_project:libass:0.14.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

8.8HIGH

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 Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.81%
Probability of exploitation in next 30 days
EPSS Percentile
76.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0181 is in the 75th percentile among its peer group of 14,852 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

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