CVE-2021-3476Integer Overflow or Wraparound in Openexr

Severity
5.3MEDIUMNVD
EPSS
1.0%
top 22.80%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMar 30
Latest updateMay 24

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:LExploitability: 3.9 | Impact: 1.4

Affected Packages4 packages

debiandebian/openexr< openexr 2.5.4-1 (bookworm)
NVDopenexr/openexr2.5.02.5.4+1
Debianopenexr/openexr< 2.5.4-1+3
CVEListV5openexr/openexrOpenEXR 3.0.0-beta

Also affects: Debian Linux 10.0, 9.0

Patches

🔴Vulnerability Details

2
GHSA
GHSA-xxv7-22hc-322m: A flaw was found in OpenEXR's B44 uncompression functionality in versions before 32022-05-24
OSV
CVE-2021-3476: A flaw was found in OpenEXR's B44 uncompression functionality in versions before 32021-03-30

📋Vendor Advisories

3
Ubuntu
OpenEXR vulnerabilities2021-04-01
Red Hat
OpenEXR: Undefined-shift in Imf_2_5::unpack142021-02-15
Debian
CVE-2021-3476: openexr - A flaw was found in OpenEXR's B44 uncompression functionality in versions before...2021