CVE-2026-95127

Denial of Service via Malicious Subtitle in libass 0.17.5

Published Oct 13, 2026 CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Description
An issue in libass v.0.17.5 allows a remote attacker to cause a denial of service via the ass_outline_construct() in libass/ass_render.c

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Libass
Libass libass
Vendors & Products Libass
Libass libass
Type Values Removed Values Added
Title Denial of Service via Malicious Subtitle in libass 0.17.5
Type Values Removed Values Added
Title Denial of Service via ass_outline_construct in libass
Weaknesses CWE-416
Type Values Removed Values Added
Weaknesses CWE-400
Metrics cvssV3_1

{'score': 7.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'}

ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Title Denial of Service via ass_outline_construct in libass
Weaknesses CWE-416
Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Oct 26, 2026, 4:39 PM
Reserved
Sep 22, 2026, 12:00 AM
Status
Deferred
Published
Oct 13, 2026, 3:17 PM
Modified
Oct 26, 2026, 5:17 PM