Buffer overflow in Openexr
CVE-2020-16587
A heap-based buffer overflow vulnerability exists in Academy Software Foundation OpenEXR 2.3.0 in chunkOffsetReconstruction in ImfMultiPartInputFile.cpp that can cause a denial of service via a crafted EXR file.
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: 0.013 (68.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 68th percentile — 68.3% 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: 0.013 · change: +0.000
Affected products
- Openexr — versions 2.3.0
- Debian Linux — versions 9.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/AcademySoftwareFoundation/openexr/issues/491 (Exploit, Third Party Advisory, Issue Tracking)
- github.com/AcademySoftwareFoundation/openexr/commit/8b5370c688a7362673c3a5256d9… (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2021/07/msg00001.html (mailing-list, Mailing List, 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-2020-16587?
- CVE-2020-16587 is a medium-severity vulnerability in Openexr, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2020-12-09.
- How severe is CVE-2020-16587?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2020-16587 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.