CVE-2021-23215
MEDIUMCVSS 5.5/10EPSS 1.15%
Last modified
CVE-2021-23215 is a medium-severity vulnerability rated 5.5/10 on the CVSS scale. An integer overflow leading to a heap-buffer overflow was found in the DwaCompressor of OpenEXR in versions before 3.0.1. An attacker could use this flaw to crash an application compiled with OpenEXR.. EPSS estimates a 1.15% chance of exploitation in the next 30 days.
Description
An integer overflow leading to a heap-buffer overflow was found in the DwaCompressor of OpenEXR in versions before 3.0.1. An attacker could use this flaw to crash an application compiled with OpenEXR.
Metrics
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Openexr | Openexr | < 3.0.1 |
| Fedoraproject | Fedora | 33 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Debian | Debian Linux | 11.0 |
References
- https://bugzilla.redhat.com/show_bug.cgi?id=1947586Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/07/msg00001.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5299Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1947586Issue Tracking, Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/07/msg00001.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.htmlMailing List, Third Party Advisory
- https://www.debian.org/security/2022/dsa-5299Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2021-23215?
An integer overflow leading to a heap-buffer overflow was found in the DwaCompressor of OpenEXR in versions before 3.0.1. An attacker could use this flaw to crash an application compiled with OpenEXR.
How severe is CVE-2021-23215?
CVE-2021-23215 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 1.15% probability of exploitation in the next 30 days.
How do I fix CVE-2021-23215?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2021-23215?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST