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National Vulnerability Database

National Vulnerability Database

NVD

National Vulnerability Database
  1. Vulnerabilities

CVE-2026-3949 Detail

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.


Metrics

 
NVD enrichment efforts reference publicly available information to associate vector strings. CVSS information contributed by other sources is also displayed.
CVSS 4.0 Severity and Vector Strings:

NIST CVSS score
NIST: NVD
N/A
NVD assessment not yet provided.

Nist CVSS score does not match with CNA score
CNA:  VulDB
CVSS-BT 4.8 MEDIUM
Vector:  CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

References to Advisories, Solutions, and Tools

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URL Source(s) Tag(s)
https://github.com/biniamf/pocs/tree/main/libheif_vvdec VulDB
https://github.com/strukturag/libheif/ VulDB
https://github.com/strukturag/libheif/commit/b97c8b5f198b27f375127cd597a35f2113544d03 VulDB
https://github.com/strukturag/libheif/issues/1712 VulDB
https://github.com/strukturag/libheif/issues/1712#issuecomment-3947938531 VulDB
https://vuldb.com/?ctiid.350381 VulDB
https://vuldb.com/?id.350381 VulDB
https://vuldb.com/?submit.765979 VulDB

Weakness Enumeration

CWE-ID CWE Name Source
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer VulDB  
CWE-125 Out-of-bounds Read VulDB  

Change History

1 change records found show changes

Quick Info

CVE Dictionary Entry:
CVE-2026-3949
NVD Published Date:
03/11/2026
NVD Last Modified:
03/12/2026
Source:
VulDB