GLSA 202208-13: libass: Denial of service
| Severity: | low |
| Title: | libass: Denial of service |
| Date: | 08/10/2022 |
| Bugs: | |
| ID: | 202208-13 |
Synopsis
A vulnerability in libass could result in denial of service.Background
libass is a portable subtitle renderer for the ASS/SSA (Advanced Substation Alpha/Substation Alpha) subtitle format.
Affected packages
| Package | Vulnerable | Unaffected | Architecture(s) |
|---|---|---|---|
| media-libs/libass | < 0.15.1 | >= 0.15.1 | All supported architectures |
Description
A one-byte buffer overwrite in ASS font decoding could trigger an assertion failure resulting in denial of service.
Impact
An attacker with control over the ASS track input to libass via an application using it could trigger a denial of service.
Workaround
There is no known workaround at this time.
Resolution
All libass users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-libs/libass-0.15.1"
References
Availability
This GLSA and any updates to it are available for viewing at the Gentoo Security Website:
Concerns?
Security is a primary focus of Gentoo Linux and ensuring the confidentiality and security of our users machines is of utmost importance to us. Any security concerns should be addressed to security@gentoo.org or alternatively, you may file a bug at https://bugs.gentoo.org.
License
Copyright 2010 Gentoo Foundation, Inc; referenced text belongs to its owner(s). The contents of this document are licensed under the Creative Commons - Attribution / Share Alike license.