Integer overflow in Harfbuzz Project
CVE-2022-33068
An integer overflow in the component hb-ot-shape-fallback.cc of Harfbuzz v4.3.0 allows attackers to cause a Denial of Service (DoS) via unspecified vectors.
Vulnerability class: Integer 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: 0.012 (66.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 67th percentile — 66.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.012 · newest: 0.012 · change: +0.000
Affected products
- Harfbuzz Project — versions 4.3.0
- Fedoraproject Fedora — versions 35, 36
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/harfbuzz/harfbuzz/issues/3557 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- github.com/harfbuzz/harfbuzz/commit/62e803b36173fd096d7ad460dd1d1db9be542593 (Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/202209-11 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2022-33068?
- CVE-2022-33068 is a medium-severity vulnerability in Harfbuzz Project, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2022-06-23.
- How severe is CVE-2022-33068?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2022-33068 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.