An issue was discovered in OpenEXR before 2.4.1.
An issue was discovered in OpenEXR before 2.4.1. There is an out-of-bounds write in copyIntoFrameBuffer in ImfMisc.cpp.
- Published
- Apr 14, 2020
- Updated
- Jun 16, 2026
- EPSS
- 1.8% · 78th percentile
- CWE
- CWE-787
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Report tools
Action score
23
Monitor
Low priority for now.
- CVSS
- 22 / 40 · 5.5 / 10
- CISA KEV
- 0 / 30 · Not listed
- EPSS
- 1 / 30 · 1.8%
Noroxi analysis
No Noroxi analysis for this record yet
We don't hand-write analysis for the hundreds of thousands of vulnerabilities in the database; that wouldn't be honest. For notable, high-impact vulnerabilities our team writes the mechanism, detection and remediation steps.
We use this product, ask for helpAffected systems
| Vendor | Product | CPE |
|---|---|---|
| openexr | openexr | cpe:2.3:a:openexr:openexr |
| fedoraproject | fedora | cpe:2.3:o:fedoraproject:fedora |
| canonical | ubuntu linux | cpe:2.3:o:canonical:ubuntu_linux |
| opensuse | leap | cpe:2.3:o:opensuse:leap |
| debian | debian linux | cpe:2.3:o:debian:debian_linux |
| apple | icloud | cpe:2.3:a:apple:icloud |
| apple | itunes | cpe:2.3:a:apple:itunes |
| apple | ipados | cpe:2.3:o:apple:ipados |
| apple | iphone os | cpe:2.3:o:apple:iphone_os |
| apple | mac os x | cpe:2.3:o:apple:mac_os_x |
| apple | tvos | cpe:2.3:o:apple:tvos |
| apple | watchos | cpe:2.3:o:apple:watchos |
Affected versions
NVD version ranges (for catalog products). Add the product to your stack with a version and matching uses these.
- apple icloud10.0 and later · before 11.3
- apple icloudbefore 7.20
- apple ipadosbefore 13.6
- apple iphone osbefore 13.6
- apple itunesbefore 12.10.8
- apple mac os x10.14.0 and later · before 10.14.6
- apple mac os x10.13.0 and later · before 10.13.6
- apple mac os x10.15 and later · before 10.15.6
- apple mac os x10.13.6
- apple mac os x10.14.6
- apple tvosbefore 13.4.8
- apple watchosbefore 6.2.8
- canonical ubuntu linux16.04
- canonical ubuntu linux18.04
- canonical ubuntu linux19.10
- canonical ubuntu linux20.04
- debian debian linux10.0
- debian debian linux9.0
- fedoraproject fedora32
- openexr openexrbefore 2.4.1
Package-level exposure
OSV and GitHub Advisory data: ecosystem, package and range. SBOM matching uses this table.
| Ecosystem | Package | Affected range | Fix |
|---|---|---|---|
| Debian:10 | openexr | before 2.2.1-4.1+deb10u1 | 2.2.1-4.1+deb10u1 |
| Debian:12 | openexr | before 2.5.3-2 | 2.5.3-2 |
| Debian:9 | openexr | before 2.2.0-11+deb9u1 | 2.2.0-11+deb9u1 |
| openSUSE:Leap 15.1 | openexr | before 2.2.1-lp151.4.9.1 | 2.2.1-lp151.4.9.1 |
| Red Hat:enterprise_linux:7::client | OpenEXR | before 0:1.7.1-8.el7 | 0:1.7.1-8.el7 |
| Red Hat:enterprise_linux:7::client | OpenEXR-debuginfo | before 0:1.7.1-8.el7 | 0:1.7.1-8.el7 |
| Red Hat:enterprise_linux:7::client | OpenEXR-devel | before 0:1.7.1-8.el7 | 0:1.7.1-8.el7 |
| Red Hat:enterprise_linux:7::client | OpenEXR-libs | before 0:1.7.1-8.el7 | 0:1.7.1-8.el7 |
| SUSE:Linux Enterprise Module for Desktop Applications 15 SP1 | openexr | before 2.2.1-3.14.1 | 2.2.1-3.14.1 |
| SUSE:Linux Enterprise Software Development Kit 12 SP4 | openexr | before 2.1.0-6.20.1 | 2.1.0-6.20.1 |
Same product
openexr: all recordsOther highest-scoring records for the same primary product.
- CVE-2023-5841OpenEXR Heap Overflow in Scanline Deep Data Parsing36Monitor
- CVE-2021-23169A heap-buffer overflow was found in the copyIntoFrameBuffer function of OpenEXR in versions before 3.0.1.36Monitor
- CVE-2017-9115In OpenEXR 2.2.0, an invalid write of size 2 in the = operator function in half.h could cause the application to crash or execute arbitrary 36Monitor
- CVE-2017-9113In OpenEXR 2.2.0, an invalid write of size 1 in the bufferedReadPixels function in ImfInputFile.cpp could cause the application to crash or 36Monitor
- CVE-2017-9111In OpenEXR 2.2.0, an invalid write of size 8 in the storeSSE function in ImfOptimizedPixelReading.h could cause the application to crash or 36Monitor
- CVE-2026-42216OpenEXR: Out-of-bounds read in `IDManifest::init()` during prefix expansion35Monitor
Remediation
Which version to upgrade to
Fix versions compiled from the vendor, package registries and Microsoft. Verify the vendor's note before upgrading.
| Product / package | Fixed version | Source |
|---|---|---|
| debian:openexr | 2.5.3-2 · Debian:12 | Package registry (OSV) |
| opensuse:openexr | 2.2.1-lp151.4.9.1 · openSUSE:Leap 15.1 | Package registry (OSV) |
| red hat:OpenEXR | 0:1.7.1-8.el7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:OpenEXR-debuginfo | 0:1.7.1-8.el7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:OpenEXR-devel | 0:1.7.1-8.el7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| red hat:OpenEXR-libs | 0:1.7.1-8.el7 · Red Hat:enterprise_linux:7::client | Package registry (OSV) |
| suse:openexr | 2.1.0-6.20.1 · SUSE:Linux Enterprise Software Development Kit 12 SP4 | Package registry (OSV) |
Exploit status
No known public exploit
No public exploit has been observed yet. That doesn't mean you're safe, only that the bar is a little higher.
Research context
For pentesters and researchers: attack profile, score disagreement, timeline, patch commits, credits, variant and chain candidates, bug bounty scope. All derived from existing data; no exploit code.
Timeline
From publication to today: proof of concept, Metasploit module, CISA KEV and fix record. Dates are as reported by the sources.
No dated events beyond publication.
FIRST EPSS daily score; only changes of 0.01 or more are recorded (step chart).
Patch and commit links
Commit, PR and diff links among the references. A starting point for patch-diffing and variant hunting; fixes, not exploits.
No commit or PR link among the references.
Credits
All researchersFinders, reporters and analysts named in the CNA record. Click a name for that researcher’s other records.
No credits in the CNA record.
Variant candidates
Same product, same weakness class, within 18 months. If the patch missed the root cause, the sibling bug is here.
No nightly-computed relations.
Chain candidates
An authentication bypass and a privilege-requiring bug in the same product, published close together: combined they may become an unauthenticated path.
—
Bug bounty scope
No known public program.
Source: bounty-targets-data (public HackerOne, Bugcrowd, Intigriti, YesWeHack listings).
Technical details
Attack conditions
- Someone with local access to the system can trigger it.
- No account or password is required.
- A user must open a link or visit a page.
- No special conditions are required; it is repeatable.
If successful
- Confidentiality
- none
- Integrity
- none
- Availability
- high · the service can be disrupted
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- None
- User interaction
- Required
- Scope
- Unchanged
- Confidentiality impact
- None
- Integrity impact
- None
- Availability impact
- High
Weakness class (CWE)
CWE-787 · Out-of-bounds WriteCVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvd-primary
Attack context
MITRE CAPEC attack patterns and ATT&CK techniques for this weakness class (CWE). A starting point for detection rules and threat hunting.
MITRE has no CAPEC/ATT&CK mapping for this CWE.
Change log
- Fix✗ → ✓
For records you follow, these changes also arrive as notifications. →
References
- usn.ubuntu.com/4339-1/
- lists.opensuse.org/opensuse-security-announce/2020-05/msg00051.html
- github.com/AcademySoftwareFoundation/openexr/blob/master/CHANGES.md#version-241-february-11-2020
- github.com/AcademySoftwareFoundation/openexr/releases/tag/v2.4.1
- lists.debian.org/debian-lts-announce/2020/08/msg00056.html
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/F4KFGDQG5PVYAU7TS5MZ7XCS6EMPVII3/
- security.gentoo.org/glsa/202107-27
- support.apple.com/kb/HT211288
- support.apple.com/kb/HT211289
- support.apple.com/kb/HT211290
- support.apple.com/kb/HT211291
- support.apple.com/kb/HT211293
- support.apple.com/kb/HT211294
- support.apple.com/kb/HT211295
- www.debian.org/security/2020/dsa-4755
Vendor advisories and official records. Exploit/PoC links are deliberately left out.