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CVE-2021-26945

Published: 8 June 2021

An integer overflow leading to a heap-buffer overflow was found in OpenEXR in versions before 3.0.1. An attacker could use this flaw to crash an application compiled with OpenEXR.

Notes

AuthorNote
mdeslaur
it looks like the fix for this issue actually went into the
exrcheck tool used by the fuzzer

Priority

Negligible

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
openexr
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Needs triage

groovy Ignored
(end of life)
hirsute Ignored
(end of life)
impish Ignored
(end of life)
jammy Needs triage

kinetic Ignored
(end of life, was needs-triage)
lunar Ignored
(end of life, was needs-triage)
mantic Ignored
(end of life, was needs-triage)
noble Needs triage

trusty Does not exist

upstream Needs triage

xenial Not vulnerable
(code not present)
Patches:
upstream: https://github.com/AcademySoftwareFoundation/openexr/pull/930/commits/0445bd02f9b70d6f9d82d270f5b9d1ad86f3bccc
upstream: https://github.com/AcademySoftwareFoundation/openexr/pull/930/commits/b73ec53bd24ba116d7bf48ebdc868301c596706e

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H