SB2020100223 - Out-of-bounds write in MuPDF
Published: October 2, 2020 Updated: October 28, 2020
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds write (CVE-ID: CVE-2020-26519)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Artifex MuPDF before 1.18.0 has a heap based buffer over-write when parsing JBIG2 files allowing attackers to cause a denial of service.
Remediation
Install update from vendor's website.
References
- http://git.ghostscript.com/?p=mupdf.git;a=commit;h=af1e390a2c7abceb32676ec684cd1dbb92907ce8
- https://bugs.ghostscript.com/show_bug.cgi?id=702937
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SOF4PX2A5TGKKPMXINADSOJJ4H5UUMKK/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WJMBKWVY7ZBIQV3EU5YHEFH5XWV4PABG/