CVE-2023-50245 — OpenEXR-viewer is a viewer for OpenEXR files with detailed metadata probing

OpenEXR-viewer is a viewer for OpenEXR files with detailed metadata probing. Versions prior to 0.6.1 have a memory overflow vulnerability. This issue is fixed in version 0.6.1.

01What is this vulnerability?

OpenEXR-viewer is a viewer for OpenEXR files with detailed metadata probing. Versions prior to 0.6.1 have a memory overflow vulnerability. This issue is fixed in version 0.6.1.

02Affected products

Vendor	Product	Versions
afichet	openexr	viewer — < 0.6.1

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2023-12-11T22:39:19.059Z
• Last modified: 2024-08-02T22:09:50.087Z

09References

• github.com — https://github.com/afichet/openexr-viewer/security/advisories/GHSA-99jg-r3f4-rpx…
• github.com — https://github.com/afichet/openexr-viewer/commit/d0a7e85dfeb519951fb8a8d70f73f30…