Buffer overflow in Openexr
CVE-2021-45942
OpenEXR 3.1.x before 3.1.4 has a heap-based buffer overflow in Imf_3_1::LineCompositeTask::execute (called from IlmThread_3_1::NullThreadPoolProvider::addTask and IlmThread_3_1::ThreadPool::addGlobalTask). NOTE: db217f2 may be inapplicable.
Vulnerability class: Buffer Overflow
EPSS: 0.018 (75.8th percentile) — read the EPSS interpretation.
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.
Affected products
- Openexr
- Debian Debian_linux — versions 10.0, 11.0
- Fedoraproject Fedora — versions 34, 35, 36
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (Third Party Advisory)
- cve@mitre.org (Exploit, Patch, Mailing List, Third Party Advisory, Issue Tracking)
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (Exploit, Patch, Third Party Advisory)
- cve@mitre.org (Patch, Third Party Advisory)
- cve@mitre.org (Third Party Advisory, Release Notes)
- cve@mitre.org (Third Party Advisory, Release Notes)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
- cve@mitre.org (vendor-advisory)
Frequently asked questions
- What is CVE-2021-45942?
- CVE-2021-45942 is a medium-severity vulnerability in Openexr, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2022-01-01.
- How severe is CVE-2021-45942?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2021-45942 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.