NULL pointer dereference in Freetype
CVE-2018-6942
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.021 (80.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 81st percentile — 80.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Freetype
- Canonical Ubuntu Linux — versions 17.10
Weakness classification (CWE)
Public proof-of-concept exploits
References
- git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/ (Patch, Third Party Advisory)
- bugs.chromium.org/p/oss-fuzz/issues/detail (Third Party Advisory)
- usn.ubuntu.com/3572-1/ (vendor-advisory, Third Party Advisory)
- www.oracle.com/security-alerts/cpuapr2020.html
- lists.opensuse.org/opensuse-security-announce/2020-05/msg00054.html (vendor-advisory)
Frequently asked questions
- What is CVE-2018-6942?
- CVE-2018-6942 is a medium-severity vulnerability in Freetype, classified under NULL Pointer Dereference. CVSS score: 6.5/10. Published 2018-02-13.
- How severe is CVE-2018-6942?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2018-6942 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.