CVE-2021-3476

low
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
2.5

Description

A flaw was found in OpenEXR's B44 uncompression functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to OpenEXR could trigger shift overflows, potentially affecting application availability.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-3476

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-3476.html

OS impact

OSVersionStatusFixed in
arch archfixed2.5.4-1
suse slesaffected
debian debianbookwormfixed2.5.4-1
debian debianbullseyefixed2.5.4-1
debian debianforkyfixed2.5.4-1
debian debiansidfixed2.5.4-1
debian debiantrixiefixed2.5.4-1

References

Verify integrity in audit chain (admin only). AS-IS.