CVE-2020-11764
An issue was discovered in OpenEXR before 2.4.1. There is an out-of-bounds write in copyIntoFrameBuffer in ImfMisc.cpp.
02 Description
An issue was discovered in OpenEXR before 2.4.1. There is an out-of-bounds write in copyIntoFrameBuffer in ImfMisc.cpp.
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 1.78% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 77.8% of scored records. A rank, not a probability.
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2020-04-14 22:41Z6 YR AGO
- Last updated
- 2024-08-04 11:41Z2 YR AGO
- Reserved
- 2020-04-14
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-787Out-of-bounds WriteBase
- Data version
- 5.1
- Document digest
- 36aacf1aa4f2a21c559df680f38cea045b20325626069eaaad20115df7772a8b
05 Affected products
06 References
- github.comhttps://github.com/AcademySoftwareFoundation/openexr/releases/tag/v2.4.1
- github.comhttps://github.com/AcademySoftwareFoundation/openexr/blob/master/CHANGES.md#version-241-february-11-2020
- bugs.chromium.orghttps://bugs.chromium.org/p/project-zero/issues/detail?id=1987
- usn.ubuntu.comUSN-4339-1https://usn.ubuntu.com/4339-1/
- lists.fedoraproject.orgFEDORA-2020-e244f22a51https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F4KFGDQG5PVYAU7TS5MZ7XCS6EMPVII3/
- lists.opensuse.orgopenSUSE-SU-2020:0682http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00051.html
- support.apple.comhttps://support.apple.com/kb/HT211288
- support.apple.comhttps://support.apple.com/kb/HT211290
- support.apple.comhttps://support.apple.com/kb/HT211289
- support.apple.comhttps://support.apple.com/kb/HT211291
- support.apple.comhttps://support.apple.com/kb/HT211293
- support.apple.comhttps://support.apple.com/kb/HT211295
- support.apple.comhttps://support.apple.com/kb/HT211294
- www.debian.orgDSA-4755https://www.debian.org/security/2020/dsa-4755
- lists.debian.org[debian-lts-announce] 20200830 [SECURITY] [DLA 2358-1] openexr security updatehttps://lists.debian.org/debian-lts-announce/2020/08/msg00056.html
- security.gentoo.orgGLSA-202107-27https://security.gentoo.org/glsa/202107-27
07 Fixed in
Debian 12
- openexr Fixed in 2.5.3-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- openexr Fixed in 2.5.3-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- openexr Fixed in 2.5.3-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- openexr Fixed in 2.2.0-10ubuntu2.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 18.04 LTS
- openexr Fixed in 2.2.0-11.1ubuntu1.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
Ubuntu 20.04 LTS
- openexr Fixed in 2.3.0-6ubuntu0.1
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.