CVE-2021-20299 — NULL Pointer Dereference in Openexr

CWE-476 — NULL Pointer Dereference5 documents5 sources
Severity
7.5HIGHNVD
EPSS
1.0%
top 22.66%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
OpenexrDebian OpenexrDebian Linux
Timeline
PublishedMar 16
Latest updateMar 17

Description

A flaw was found in OpenEXR's Multipart input file functionality. A crafted multi-part input file with no actual parts can trigger 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:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶debiandebian/openexr< openexr 2.5.4-1 (bookworm)
▶NVDopenexr/openexr< 2.5.4
▶Debianopenexr/openexr< 2.5.4-1+3
▶CVEListV5openexr/openexrAffected before v2.5.4

Also affects: Debian Linux 10.0

Patches

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

🔴Vulnerability Details

2
GHSA
GHSA-xq9j-995w-vvw2: A flaw was found in OpenEXR's Multipart input file functionality↗2022-03-17
▶
OSV
CVE-2021-20299: A flaw was found in OpenEXR's Multipart input file functionality↗2022-03-16
▶

📋Vendor Advisories

2
Red Hat
OpenEXR: Null-dereference READ in Imf_2_5::Header::operator↗2021-02-15
▶
Debian
CVE-2021-20299: openexr - A flaw was found in OpenEXR's Multipart input file functionality. A crafted mult...↗2021
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