NULL Pointer Dereference Affecting libfreetype6 package, versions <2.10.1-4.3.1
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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- published14 Apr 2022
- disclosed20 May 2020
Introduced: 20 May 2020
CVE-2018-6942 (opens in a new tab)How to fix?
Upgrade SLES:15.1 libfreetype6 to version 2.10.1-4.3.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream libfreetype6 package and not the libfreetype6 package as distributed by SLES.
See How to fix? for SLES:15.1 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://www.suse.com/security/cve/CVE-2018-6942.html
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00054.html
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5736
- https://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=29c759284e305ec428703c9a5831d0b1fc3497ef
- https://usn.ubuntu.com/3572-1/
- https://www.oracle.com/security-alerts/cpuapr2020.html