vulnerability

Alpine Linux: CVE-2021-20296: NULL Pointer Dereference

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Severity

CVSS

(AV:N/AC:L/Au:N/C:N/I:N/A:P)

Published

Apr 1, 2021

Added

Aug 22, 2024

Modified

Jun 18, 2026

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.

Solution

alpine-linux-upgrade-openexr

References

CVE-2021-20296
https://attackerkb.com/topics/CVE-2021-20296
https://security.alpinelinux.org/vuln/CVE-2021-20296
https://euvd.enisa.europa.eu/vulnerability/EUVD-2021-7721
CWE-476
EUVD-EUVD-2021-7721

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