CVE-2026-3308

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Source
https://cve.org/CVERecord?id=CVE-2026-3308
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3308.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-3308
Downstream
Published
2026-03-31T13:13:12.088Z
Modified
2026-07-15T19:59:35.700599Z
Severity
  • 7.8 (High) CVSS_V3 - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H CVSS Calculator
Summary
CVE-2026-3308
Details

An integer overflow vulnerability in 'pdf-image.c' in Artifex's MuPDF version 1.27.0 allows an attacker to maliciously craft a PDF that can trigger an integer overflow within the 'pdfloadimage_imp' function. This allows a heap out-of-bounds write that could be exploited for arbitrary code execution.

Database specific 
{
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/3xxx/CVE-2026-3308.json",
    "cna_assigner": "certcc"
}
References

Affected packages

Git / github.com/artifexsoftware/mupdf

Affected ranges

Type
GIT
Repo
https://github.com/artifexsoftware/mupdf
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
a26f0142e7d390d4a82c6e5ae0e312e07cc4ec85
Database specific 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.27.0"
        }
    ],
    "source": [
        "AFFECTED_FIELD",
        "REFERENCES"
    ]
}

Affected versions

0.*
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.*
1.0
1.0rc1
1.1-forms-tech-preview
1.10
1.10-rc1
1.10-rc2
1.11
1.11-rc1
1.11.1
1.12.0
1.13.0
1.13.0-rc1
1.14.0
1.14.0-rc1
1.15.0
1.15.0-rc1
1.16.0
1.16.0-rc1
1.16.0-rc2
1.16.1
1.16.1-epub-prerelease
1.17.0-rc1
1.18.0
1.18.0-rc1
1.18.1-so-3.12.1-android
1.18.1-so-3.12.1-ios
1.18.1-so-3.12.2b1-android
1.18.1-so-3.12.2b1-ios
1.18.1-so-3.12.4
1.18.1-so-3.12.6
1.19.0-rc1
1.19.0-rc1-so-3.12.7
1.2
1.20.0-rc1
1.21.0-rc1
1.22.0-rc1
1.23.0
1.23.0-rc1
1.24.0
1.24.0-rc1
1.25.0-rc1
1.26.0-rc1
1.26.0-rc2
1.27.0
1.27.0-rc1
1.3rc1
1.4
1.4-ios
1.5
1.5-ios
1.5-ios-appstore
1.5-ios-rc6
1.5-ios-rc7
1.5-ios-rc8
1.6
1.6-appstore
1.6-ios-rc1
1.6-ios-rc2
1.7
1.7-rc1
1.7a
1.8
1.9
1.9-rc1
1.9-rc2
1.9a
Other
android-release-60

Database specific

vanir_signatures 
[
    {
        "source": "https://github.com/artifexsoftware/mupdf/commit/a26f0142e7d390d4a82c6e5ae0e312e07cc4ec85",
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "22111179223753079411600518042796283397",
                "311066710223287945345130248418119681702",
                "241536079669341365746452352113146360492",
                "131538940416022088833212740077724934631"
            ]
        },
        "id": "CVE-2026-3308-58aa3ec0",
        "signature_type": "Line",
        "target": {
            "file": "source/fitz/draw-unpack.c"
        }
    },
    {
        "source": "https://github.com/artifexsoftware/mupdf/commit/a26f0142e7d390d4a82c6e5ae0e312e07cc4ec85",
        "deprecated": false,
        "signature_version": "v1",
        "digest": {
            "function_hash": "207174379969904772712950742370362008271",
            "length": 1644.0
        },
        "id": "CVE-2026-3308-b4d026f2",
        "signature_type": "Function",
        "target": {
            "function": "fz_unpack_stream",
            "file": "source/fitz/draw-unpack.c"
        }
    }
]
vanir_signatures_modified 
"2026-07-15T19:59:35Z"
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-3308.json"