CVE-2021-20296 — NULL Pointer Dereference in Openexr

CWE-476 — NULL Pointer Dereference9 documents6 sources
Severity
5.3MEDIUMNVD
EPSS
1.0%
top 22.83%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
OpenexrDebian OpenexrDebian Linux
Timeline
PublishedApr 1
Latest updateSep 20

Description

A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system 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 Packages5 packages

▶debiandebian/openexr< openexr 2.5.4-1 (bookworm)
▶NVDopenexr/openexr2.5.0 — 2.5.4+1
▶Debianopenexr/openexr< 2.5.4-1+3
▶Ubuntuopenexr/openexr< 2.3.0-6ubuntu0.5+esm1+1
▶CVEListV5openexr/openexrOpenEXR 3.0.0-beta

Also affects: Debian Linux 10.0, 9.0

Patches

Patch: bugs.chromium.org ↗Patch: bugzilla.redhat.com ↗Patch: bugs.chromium.org ↗

🔴Vulnerability Details

3
OSV
openexr vulnerabilities↗2022-09-20
▶
GHSA
GHSA-h585-99w7-8g9c: A flaw was found in OpenEXR in versions before 3↗2022-05-24
▶
OSV
CVE-2021-20296: A flaw was found in OpenEXR in versions before 3↗2021-04-01
▶

📋Vendor Advisories

5
Ubuntu
OpenEXR vulnerabilities↗2022-09-20
▶
Ubuntu
OpenEXR vulnerabilities↗2021-06-22
▶
Ubuntu
OpenEXR vulnerabilities↗2021-06-22
▶
Red Hat
OpenEXR: Segv on unknown address in Imf_2_5::hufUncompress - Null Pointer dereference↗2021-02-15
▶
Debian
CVE-2021-20296: openexr - A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file ...↗2021
▶