Buffer overflow in Openexr
CVE-2021-23169
A heap-buffer overflow was found in the copyIntoFrameBuffer function of OpenEXR in versions before 3.0.1. An attacker could use this flaw to execute arbitrary code with the permissions of the user running the application compiled against OpenEXR.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.023 (82.6th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Openexr
- Fedoraproject Fedora — versions 33, 34
- Openexr — versions OpenEXR 3.0.1
Weakness classification (CWE)
Public proof-of-concept exploits
References
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- bugzilla.redhat.com/show_bug.cgi (Third Party Advisory, Issue Tracking)
- security.gentoo.org/glsa/202210-31 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-23169?
- CVE-2021-23169 is a high-severity vulnerability in Openexr, classified under Out-of-bounds Write. CVSS score: 8.8/10. Published 2021-06-08.
- How severe is CVE-2021-23169?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2021-23169 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.