CVE-2026-3949 (GCVE-0-2026-3949)
Vulnerability from cvelistv5
Published
2026-03-11 18:32
Modified
2026-03-11 19:38
CWE
Summary
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.
Impacted products
Vendor Product Version
strukturag libheif Version: 1.21.0
Version: 1.21.1
Version: 1.21.2
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Show details on NVD website


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                "id": "CVE-2026-3949",
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                "role": "CISA Coordinator",
                "timestamp": "2026-03-11T19:37:14.390113Z",
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          "shortName": "CISA-ADP"
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        "title": "CISA ADP Vulnrichment"
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    "cna": {
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          "versions": [
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              "version": "1.21.0"
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          "value": "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."
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          "url": "https://github.com/biniamf/pocs/tree/main/libheif_vvdec"
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    "dateReserved": "2026-03-11T11:59:39.639Z",
    "dateUpdated": "2026-03-11T19:38:00.870Z",
    "state": "PUBLISHED"
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  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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