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Affected Component
Analysis
libheif
Patched
Name
CVE-2026-3949
Description
A vulnerability was determined in strukturag libheif up to 1.21.2. This affects the function vvdec_push_data2 of the file libheif/plugins/decoder_vvdec.cc of the component HEIF File Parser. Executing a manipulation of the argument size can lead to out-of-bounds read. The attack needs to be launched locally. The exploit has been publicly disclosed and may be utilized. This patch is called b97c8b5f198b27f375127cd597a35f2113544d03. It is advisable to implement a patch to correct this issue.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
Analysis#
Vulnerability Ratings#
1.9
CVSSv4
3.3
CVSSv31
1.7
CVSSv2
NaN
other
Others affected components#
Name
Project
Project Version
Version
Status
buildroot
2025.02.x
1.23.0
Not Affected
buildroot
master
1.23.0
Not Affected
Resolved with patches#
libheif (yocto:master)
#
Title
Author
Resolve
1
vvdec: check that NAL size does not exceed data size (#1712)
Dirk Farin <dirk.farin@gmail.com>
CVE-2026-3949