CVE catalog

CVE-2021-3478

openexr: CVE-2021-3478

Severity: Medium
Published: Mar 31, 2021, 2:15:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.96% · Oct 25, 2026

There's a flaw in OpenEXR's scanline input file functionality in versions before 3.0.0-beta. An attacker able to submit a crafted file to be processed by OpenEXR could consume excessive system memory. The greatest impact of this flaw is to system availability.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	openexr	sid	`3.4.16+ds-1`	fixed
Debian	openexr	forky	`3.4.16+ds-1`	fixed
Debian	openexr	trixie	`3.1.13-2`	fixed
Debian	openexr	bookworm	`3.1.5-5`	fixed
Ubuntu	openexr	16.04	`2.2.0-1ubuntu3`	vulnerable
Ubuntu	openexr	16.04	`2.2.0-7ubuntu1`	vulnerable
Ubuntu	openexr	16.04	`2.2.0-9ubuntu1`	vulnerable
Ubuntu	openexr	16.04	`2.2.0-10ubuntu2`	vulnerable
Ubuntu	openexr	16.04	`2.2.0-10ubuntu2.1`	vulnerable
Ubuntu	openexr	16.04	`2.2.0-10ubuntu2.2`	vulnerable
Ubuntu	openexr	16.04	`2.2.0-10ubuntu2.3`	vulnerable
Ubuntu	openexr	16.04	`2.2.0-10ubuntu2.4`	vulnerable
Ubuntu	openexr	16.04	`2.2.0-10ubuntu2.6`	fixed
Ubuntu	openexr	18.04	`2.2.0-11ubuntu1`	vulnerable
Ubuntu	openexr	18.04	`2.2.0-11.1ubuntu1`	vulnerable
Ubuntu	openexr	18.04	`2.2.0-11.1ubuntu1.1`	vulnerable
Ubuntu	openexr	18.04	`2.2.0-11.1ubuntu1.2`	vulnerable
Ubuntu	openexr	18.04	`2.2.0-11.1ubuntu1.3`	vulnerable
Ubuntu	openexr	18.04	`2.2.0-11.1ubuntu1.4`	vulnerable
Ubuntu	openexr	18.04	`2.2.0-11.1ubuntu1.6`	fixed
Ubuntu	openexr	20.04	`2.2.1-4.1ubuntu1`	vulnerable
Ubuntu	openexr	20.04	`2.3.0-6`	vulnerable
Ubuntu	openexr	20.04	`2.3.0-6build1`	vulnerable
Ubuntu	openexr	20.04	`2.3.0-6ubuntu0.1`	vulnerable
Ubuntu	openexr	20.04	`2.3.0-6ubuntu0.2`	vulnerable
Ubuntu	openexr	20.04	`2.3.0-6ubuntu0.3`	vulnerable
Ubuntu	openexr	20.04	`2.3.0-6ubuntu0.5`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	openexr	source	sid	`2.5.4-1`	not yet assigned	Not reported	[986796]
Debian	openexr	source	forky	`2.5.4-1`	not yet assigned	Not reported	[986796]
Debian	openexr	source	trixie	`2.5.4-1`	not yet assigned	Not reported	[986796]
Debian	openexr	source	bookworm	`2.5.4-1`	not yet assigned	Not reported	[986796]
Ubuntu	openexr	deb	16.04	`2.2.0-10ubuntu2.6`	Not reported	UBUNTU-CVE-2021-3478	Not reported
Ubuntu	openexr	deb	18.04	`2.2.0-11.1ubuntu1.6`	Not reported	UBUNTU-CVE-2021-3478	Not reported
Ubuntu	openexr	deb	20.04	`2.3.0-6ubuntu0.5`	Not reported	UBUNTU-CVE-2021-3478	Not reported

[Debian bug #986796]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libopenexr-3-1-30]Fixed
Source package: [openexr]
Details (2)
- 3.1.5-5 · amd64 · bookworm
  Fixed · Fixed: 2.5.4-1
  dsa · openexr · debian · bookworm; dsa · openexr · debian · 12
- 3.1.5-5 · arm64 · bookworm
  Fixed · Fixed: 2.5.4-1
  dsa · openexr · debian · bookworm; dsa · openexr · debian · 12
[libopenexr-dev]Fixed
Source package: [openexr]
Details (2)
- 3.1.5-5 · amd64 · bookworm
  Fixed · Fixed: 2.5.4-1
  dsa · openexr · debian · bookworm; dsa · openexr · debian · 12
- 3.1.5-5 · arm64 · bookworm
  Fixed · Fixed: 2.5.4-1
  dsa · openexr · debian · bookworm; dsa · openexr · debian · 12
[libopenexr-doc]Fixed
Source package: [openexr]
Details (2)
- 3.1.5-5 · all · bookworm
  Fixed · Fixed: 2.5.4-1
  dsa · openexr · debian · bookworm; dsa · openexr · debian · 12
- 3.1.5-5 · all · bookworm
  Fixed · Fixed: 2.5.4-1
  dsa · openexr · debian · bookworm; dsa · openexr · debian · 12
[openexr]Fixed
Details (2)
- 3.1.5-5 · amd64 · bookworm
  Fixed · Fixed: 2.5.4-1
  dsa · openexr · debian · bookworm; dsa · openexr · debian · 12
- 3.1.5-5 · arm64 · bookworm
  Fixed · Fixed: 2.5.4-1
  dsa · openexr · debian · bookworm; dsa · openexr · debian · 12

[Debian 13 (Trixie)]

[libopenexr-3-1-30]Fixed
Source package: [openexr]
Details (2)
- 3.1.13-2 · amd64 · trixie
  Fixed · Fixed: 2.5.4-1
  dsa · openexr · debian · 13
- 3.1.13-2 · arm64 · trixie
  Fixed · Fixed: 2.5.4-1
  dsa · openexr · debian · 13
[libopenexr-dev]Fixed
Source package: [openexr]
Details (2)
- 3.1.13-2 · amd64 · trixie
  Fixed · Fixed: 2.5.4-1
  dsa · openexr · debian · 13
- 3.1.13-2 · arm64 · trixie
  Fixed · Fixed: 2.5.4-1
  dsa · openexr · debian · 13
[libopenexr-doc]Fixed
Source package: [openexr]
Details (2)
- 3.1.13-2 · all · trixie
  Fixed · Fixed: 2.5.4-1
  dsa · openexr · debian · 13
- 3.1.13-2 · all · trixie
  Fixed · Fixed: 2.5.4-1
  dsa · openexr · debian · 13
[openexr]Fixed
Details (2)
- 3.1.13-2 · amd64 · trixie
  Fixed · Fixed: 2.5.4-1
  dsa · openexr · debian · 13
- 3.1.13-2 · arm64 · trixie
  Fixed · Fixed: 2.5.4-1
  dsa · openexr · debian · 13

Observed: Oct 23, 2026, 5:58:14 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]