CVE-2021-3605

medium

Published — · Modified —

CVSS v3

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CVSS v2

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VIR risk

5.5

Description

There's a flaw in OpenEXR's rleUncompress functionality in versions prior to 3.0.5. An attacker who is able to submit a crafted file to an application linked with OpenEXR could cause an out-of-bounds read. The greatest risk from this flaw is to application availability.

Predictions

Exploit likelihood

20%

Patch ETA

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Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-3605

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-3605.html

OS impact

OS	Version	Status	Fixed in
arch		fixed	`2.4.1-1`
sles		affected
debian	bookworm	fixed	`2.5.7-1`
debian	bullseye	fixed	`2.5.4-2+deb11u1`
debian	forky	fixed	`2.5.7-1`
debian	sid	fixed	`2.5.7-1`
debian	trixie	fixed	`2.5.7-1`

References

https://www.suse.com/security/cve/CVE-2021-3605.html
https://security-tracker.debian.org/tracker/CVE-2021-3605

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