CVE-2020-26519

medium
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

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.

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/[email protected]/message/WJMBKWVY7ZBIQV3EU5YHEFH5XWV4PABG/

https://lists.fedoraproject.org/archives/list/[email protected]/message/SOF4PX2A5TGKKPMXINADSOJJ4H5UUMKK/

https://www.debian.org/security/2020/dsa-4794

https://lists.debian.org/debian-lts-announce/2021/03/msg00012.html

https://security.gentoo.org/glsa/202105-30

Details

Source: MITRE

Published: 2020-10-02

Updated: 2021-05-26

Type: CWE-787

Risk Information

CVSS v2

Base Score: 4.3

Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Impact Score: 2.9

Exploitability Score: 8.6

Severity: MEDIUM

CVSS v3

Base Score: 5.5

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Impact Score: 3.6

Exploitability Score: 1.8

Severity: MEDIUM

Tenable Plugins

View all (3 total)

IDNameProductFamilySeverity
143187Debian DSA-4794-1 : mupdf - security updateNessusDebian Local Security Checks
medium
141909Fedora 32 : mupdf / python-PyMuPDF / zathura-pdf-mupdf (2020-3cea1ac8f3)NessusFedora Local Security Checks
medium
141903Fedora 33 : mupdf / python-PyMuPDF / zathura-pdf-mupdf (2020-972ad7c8a8)NessusFedora Local Security Checks
medium