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CVE-2026-3949

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CVE-2026-3949

Published: Mar 11, 2026

Modified: Mar 11, 2026

PUBLISHED

CVSS v3.1

3.3

LOW

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.

VendorProductVersions

strukturag

libheif

affected
1.21.0
affected
1.21.1
affected
1.21.2

Weaknesses (CWE)

CWE-125
CWE-119

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

VDB-350381 | CTI Indicators (IOB, IOC, IOA)
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