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Fencer Vulns
critical 9.8

CVE-2023-50245 json

OpenEXR-viewer memory overflow vulnerability

published 2023-12-11 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-3172 , GHSA-99jg-r3f4-rpxj

cvss
9.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 64%
public exploits
0
none known

Summary

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.

Patch / fix

  • github-actions afichet/openexr-viewer 0.6.1
  • afichet openexr_viewer 0.6.1

Exploit prediction

1.05% chance of exploitation in the next 30 days, higher than 64% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/afichet/openexr-viewer/security/advisories/GHSA-99jg-r3f4-rpxj referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
GitHub 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 9.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected packages

ecosystem package affected fixed in
github-actions afichet/openexr-viewer
<0.6.1
0.6.1

Affected products

  • afichet openexr-viewer

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.