Integer overflow in Openexr
CVE-2021-3933
An integer overflow could occur when OpenEXR processes a crafted file on systems where size_t < 64 bits. This could cause an invalid bytesPerLine and maxBytesPerLine value, which could lead to problems with application stability or lead to other attack paths.
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: 0.009 (57.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 58th percentile — 57.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000
Affected products
- Openexr
- Debian Linux — versions 10.0, 11.0
- Fedoraproject Fedora — versions 36
- Openexr — versions OpenEXR 3.1.2
Weakness classification (CWE)
References
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/202210-31 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2022/dsa-5299 (vendor-advisory, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2022/12/msg00022.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-3933?
- CVE-2021-3933 is a medium-severity vulnerability in Openexr, classified under Integer Overflow or Wraparound. CVSS score: 5.5/10. Published 2022-03-25.
- How severe is CVE-2021-3933?
- Medium severity. CVSS v3 base score is 5.5 out of 10.