CVE-2021-20304 — Integer Overflow or Wraparound in Openexr

CWE-190 — Integer Overflow or Wraparound5 documents5 sources
Severity
7.5HIGHNVD
EPSS
0.2%
top 62.31%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
OpenexrDebian Openexr
Timeline
PublishedAug 23
Latest updateAug 24

Description

A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted file to be processed by OpenEXR, to trigger an undefined right shift error. 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)
▶Debianopenexr/openexr< 2.5.4-1+3
▶NVDopenexr/openexr2.5.7
▶CVEListV5openexr/openexrFixed in OpenEXR 3.0.0-beta

Patches

Patch: github.com ↗Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-m48r-2qrf-q5hh: A flaw was found in OpenEXR's hufDecode functionality↗2022-08-24
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OSV
CVE-2021-20304: A flaw was found in OpenEXR's hufDecode functionality↗2022-08-23
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📋Vendor Advisories

2
Red Hat
OpenEXR: Undefined-shift in Imf_2_5::hufDecode↗2021-02-15
▶
Debian
CVE-2021-20304: openexr - A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attac...↗2021
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