CVE-2025-43966

Publication date 21 April 2025

Last updated 26 August 2025

Ubuntu priority

Why this priority?

Cvss 3 Severity Score

Score breakdown

Description

libheif before 1.19.6 has a NULL pointer dereference in ImageItem_iden in image-items/iden.cc.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libheif	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Not affected
	22.04 LTS jammy	Not affected
	20.04 LTS focal	Not affected
	18.04 LTS bionic	Not affected

Notes

mdeslaur

introduced by: https://github.com/strukturag/libheif/commit/576b3b996491756c5ab4bb7716b9170afb4378c3

Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
libheif	Upstream: b385553

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References

Other references