CVE-2026-3308_CVE-2026-3308

7.8 / 10

HIGH

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

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 'pdf_load_image_imp' function. This allows a heap out-of-bounds write that could be exploited for arbitrary code execution.

Basic Information

ID CVE-2026-3308

Source certcc

Published Mar 31, 2026 at 13:13

Modified Apr 2, 2026 at 18:16

Affected Product

Vendor Artifex Software Inc. *PyMuPDF*

Product MuPDF

Affected Versions Artifex Software Inc. *PyMuPDF* MuPDF 0

CWE Classification

CWE-190

References

{
    "lastseen": "",
    "description": "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 'pdf_load_image_imp' function. This allows a heap out-of-bounds write that could be exploited for arbitrary code execution.",
    "published": "2026-03-31T13:13:12.088Z",
    "modified": "2026-04-02T18:16:49.283Z",
    "type": "cve",
    "title": "CVE-2026-3308",
    "source": "certcc",
    "references": "https://github.com/ArtifexSoftware/mupdf/commit/a26f0142e7d390d4a82c6e5ae0e312e07cc4ec85\nhttps://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=a26f0142e7d390d4a82c6e5ae0e312e07cc4ec85\nhttps://github.com/ArtifexSoftware/mupdf",
    "id": "CVE-2026-3308",
    "bulletinFamily": "",
    "cwe": [
        "CWE-190"
    ],
    "cvelist": null,
    "sourceData": "Artifex Software Inc. *PyMuPDF* MuPDF 0",
    "sourceHref": "",
    "cvss": {
        "score": 7.8,
        "severity": "HIGH",
        "vector": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "MuPDF",
    "version": "0",
    "vendor": "Artifex Software Inc. *PyMuPDF*",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}