NULL Pointer Dereference Affecting freetype package, versions <2.9.1-3
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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Start learning- Snyk IDSNYK-DEBIANUNSTABLE-FREETYPE-380327
- published13 Feb 2018
- disclosed13 Feb 2018
Introduced: 13 Feb 2018
CVE-2018-6942 (opens in a new tab)How to fix?
Upgrade Debian:unstable freetype to version 2.9.1-3 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream freetype package and not the freetype package as distributed by Debian.
See How to fix? for Debian:unstable relevant fixed versions and status.
An issue was discovered in FreeType 2 through 2.9. A NULL pointer dereference in the Ins_GETVARIATION() function within ttinterp.c could lead to DoS via a crafted font file.
References
- https://security-tracker.debian.org/tracker/CVE-2018-6942
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6942
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5736
- https://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=29c759284e305ec428703c9a5831d0b1fc3497ef
- https://www.oracle.com/security-alerts/cpuapr2020.html
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00054.html
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-6942
- https://usn.ubuntu.com/3572-1/