Use After Free Affecting mupdf package, versions <1.9a+ds1-3
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DEBIAN11-MUPDF-525699
- published26 Mar 2017
- disclosed26 Mar 2017
Introduced: 26 Mar 2017
CVE-2017-7264 (opens in a new tab)How to fix?
Upgrade Debian:11 mupdf to version 1.9a+ds1-3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mupdf package and not the mupdf package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
Use-after-free vulnerability in the fz_subsample_pixmap function in fitz/pixmap.c in Artifex MuPDF 1.10a allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via a crafted document.
References
- https://security-tracker.debian.org/tracker/CVE-2017-7264
- http://git.ghostscript.com/?p=mupdf.git;h=2c4e5867ee699b1081527bc6c6ea0e99a35a5c27
- https://blogs.gentoo.org/ago/2017/02/09/mupdf-use-after-free-in-fz_subsample_pixmap-pixmap-c/
- http://www.securityfocus.com/bid/97111
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2017-7264
- http://git.ghostscript.com/?p=mupdf.git%3Bh=2c4e5867ee699b1081527bc6c6ea0e99a35a5c27
- https://bugs.ghostscript.com/show_bug.cgi?id=697515