CVE-2020-26519

Description

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.

Category

5.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.77% Top 30%
Vendor Advisory fedoraproject.org Vendor Advisory fedoraproject.org Vendor Advisory debian.org Vendor Advisory gentoo.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://bugs.ghostscript.com/show_bug.cgi?id=702937 third party advisory permissions required
http://git.ghostscript.com/?p=mupdf.git%3Ba=commit%3Bh=af1e390a2c7abceb32676ec684cd1dbb92907ce8
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SOF4PX2A5TGKKPMXINADSOJJ4H5UUMKK/ vendor advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WJMBKWVY7ZBIQV3EU5YHEFH5XWV4PABG/ vendor advisory
https://www.debian.org/security/2020/dsa-4794 third party advisory vendor advisory
https://lists.debian.org/debian-lts-announce/2021/03/msg00012.html third party advisory mailing list
https://security.gentoo.org/glsa/202105-30 third party advisory vendor advisory

Frequently Asked Questions

What is the severity of CVE-2020-26519?
CVE-2020-26519 has been scored as a medium severity vulnerability.
How to fix CVE-2020-26519?
To fix CVE-2020-26519, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2020-26519 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2020-26519 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.