CVE-2026-42311

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Source
https://cve.org/CVERecord?id=CVE-2026-42311
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-42311.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-42311
Aliases
Downstream
Related
Published
2026-05-09T04:11:58.092Z
Modified
2026-06-18T03:56:28.216501780Z
Severity
  • 8.6 (High) CVSS_V4 - CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N CVSS Calculator
Summary
Pillow: OOB Write with Invalid PSD Tile Extents (Integer Overflow)
Details

Pillow is a Python imaging library. From version 10.3.0 to before version 12.2.0, processing a malicious PSD file could lead to memory corruption, potentially resulting in a crash or arbitrary code execution. This issue has been patched in version 12.2.0.

Database specific 
{
    "cna_assigner": "GitHub_M",
    "cwe_ids": [
        "CWE-190",
        "CWE-787"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/42xxx/CVE-2026-42311.json"
}
References

Affected packages

Git / github.com/python-pillow/pillow

Affected ranges

Type
GIT
Repo
https://github.com/python-pillow/pillow
Events
Introduced
5c89d88eee199ba53f64581ea39b6a1bc52feb1a
Fixed
3c41c095064200a02672d89cc5ff629eaf4b0d4f
Fixed
58f9a1d166dcb0c274807d4423522d205b0c35ea
Database specific 
{
    "cpe": "cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "10.3.0"
        },
        {
            "fixed": "12.2.0"
        }
    ],
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ]
}

Affected versions

10.*
10.3.0
10.4.0
11.*
11.0.0
11.1.0
11.2.1
11.3.0
12.*
12.0.0
12.1.0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-42311.json"