CVE-2026-5342

A flaw has been found in LibRaw up to 0.22.0. This affects the function LibRaw::nikonloadpaddedpackedraw of the file src/decoders/decoderslibraw.cpp of the component TIFF/NEF. Executing a manipulation of the argument loadflags/raw_width can lead to out-of-bounds read. It is possible to launch the attack remotely. The exploit has been published and may be used. Upgrading to version 0.22.1 mitigates this issue. This patch is called b8397cd45657b84e88bd1202528d1764265f185c. It is advisable to upgrade the affected component.

Database specific

{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5342.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "last_affected": "0.1"
                },
                {
                    "last_affected": "0.2"
                },
                {
                    "last_affected": "0.3"
                },
                {
                    "last_affected": "0.4"
                },
                {
                    "last_affected": "0.5"
                },
                {
                    "last_affected": "0.6"
                },
                {
                    "last_affected": "0.7"
                },
                {
                    "last_affected": "0.8"
                },
                {
                    "last_affected": "0.9"
                },
                {
                    "last_affected": "0.10"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ],
    "cwe_ids": [
        "CWE-119",
        "CWE-125"
    ],
    "cna_assigner": "VulDB"
}

References

Affected packages

Git / github.com/libraw/libraw

Affected ranges

Type: GIT
Repo: https://github.com/libraw/libraw
Events: Introduced

0 Unknown introduced commit / All previous commits are affected

Fixed

b8397cd45657b84e88bd1202528d1764265f185c

Affected versions

0.*

0.12.0

0.13.0

0.13.1

0.13.2

0.13.3

0.13.4

0.13.5

0.13.6

0.14.0

0.14.1

0.14.2

0.14.3

0.14.4

0.14.5

0.14.6

0.15.0

0.16.0

0.17.0

0.18.0

0.20-RC2

0.20.0

0.20.1

0.20.2

0.21-Beta1

0.21.0

0.21.1

0.22.0

Database specific

vanir_signatures_modified

"2026-05-30T05:20:47Z"

vanir_signatures

[
    {
        "target": {
            "file": "src/metadata/tiff.cpp",
            "function": "LibRaw::apply_tiff"
        },
        "id": "CVE-2026-5342-1c5ba764",
        "signature_type": "Function",
        "digest": {
            "function_hash": "75762778109458427875769868541149481938",
            "length": 18461.0
        },
        "signature_version": "v1",
        "source": "https://github.com/libraw/libraw/commit/b8397cd45657b84e88bd1202528d1764265f185c",
        "deprecated": false
    },
    {
        "target": {
            "file": "src/decoders/decoders_libraw.cpp",
            "function": "LibRaw::nikon_load_padded_packed_raw"
        },
        "id": "CVE-2026-5342-313d2854",
        "signature_type": "Function",
        "digest": {
            "function_hash": "84981703727095246191539248690892626236",
            "length": 1156.0
        },
        "signature_version": "v1",
        "source": "https://github.com/libraw/libraw/commit/b8397cd45657b84e88bd1202528d1764265f185c",
        "deprecated": false
    },
    {
        "target": {
            "file": "src/decoders/decoders_libraw.cpp"
        },
        "id": "CVE-2026-5342-33412754",
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "28244586361528992352522152194319482398",
                "92157897365039769988828882281683992520",
                "249419145314412054435341265046189754782",
                "147838370502341082218215597431389232700",
                "268852207816429060776474755319238157629",
                "19833769672006721639578250071944379213",
                "108147390792519766460047328957182456943",
                "193998266684608617211010662832227538321",
                "9342119849890528820223737516730364104",
                "138232008353031034202073290338649308539",
                "132295669638616007946044778428761391761",
                "51145738289976052827562857012528571353",
                "279545017355210863464581914152843540103",
                "126576192636509665505602364602811841240",
                "100569988196465285714214852750654529770",
                "276122923454765561941918136488648270401",
                "35727505169355187103433350353149522185"
            ]
        },
        "signature_version": "v1",
        "source": "https://github.com/libraw/libraw/commit/b8397cd45657b84e88bd1202528d1764265f185c",
        "deprecated": false
    },
    {
        "target": {
            "file": "src/metadata/tiff.cpp"
        },
        "id": "CVE-2026-5342-ce793a40",
        "signature_type": "Line",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "237739710694465869779659605822927391528",
                "284840264059880553985438553535815150122",
                "193763208134149196329007091648312408011",
                "16778219902612833982178182206358732840",
                "256008877216685110381393122834397204954"
            ]
        },
        "signature_version": "v1",
        "source": "https://github.com/libraw/libraw/commit/b8397cd45657b84e88bd1202528d1764265f185c",
        "deprecated": false
    }
]

source

"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-5342.json"