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.

INFO

Published Date :

2026-03-11T18:32:09.358Z

Last Modified :

2026-03-11T19:38:00.870Z

Source :

VulDB
AFFECTED PRODUCTS

The following products are affected by CVE-2026-3949 vulnerability.

Vendors Products
Struktur
  • Libheif
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-3949.

URL Resource
https://github.com/biniamf/pocs/tree/main/libheif_vvdec cve-icon cve-icon cve-icon
https://github.com/strukturag/libheif/ cve-icon cve-icon cve-icon
https://github.com/strukturag/libheif/commit/b97c8b5f198b27f375127cd597a35f2113544d03 cve-icon cve-icon cve-icon
https://github.com/strukturag/libheif/issues/1712 cve-icon cve-icon cve-icon
https://github.com/strukturag/libheif/issues/1712#issuecomment-3947938531 cve-icon cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-3949 cve-icon
https://vuldb.com/?ctiid.350381 cve-icon cve-icon cve-icon
https://vuldb.com/?id.350381 cve-icon cve-icon cve-icon
https://vuldb.com/?submit.765979 cve-icon cve-icon cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-3949 cve-icon
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