Buffer overflow in Liblouis
CVE-2022-31783
Liblouis 3.21.0 has an out-of-bounds write in compileRule in compileTranslationTable.c, as demonstrated by lou_trace.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.011 (64.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
- Liblouis — versions 3.21.0
- Fedoraproject Fedora — versions 36
Weakness classification (CWE)
References
- github.com/liblouis/liblouis/issues/1214 (Exploit, Third Party Advisory)
- github.com/liblouis/liblouis/commit/ff747ec5e1ac54d54194846f6fe5bfc689192a85 (Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/202301-06 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-31783?
- CVE-2022-31783 is a medium-severity vulnerability in Liblouis, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2022-06-02.
- How severe is CVE-2022-31783?
- Medium severity. CVSS v3 base score is 5.5 out of 10.