CVE-2026-42310— Pillow: PDF Parsing Trailer Infinite Loop (DoS)
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I. Basic Information for CVE-2026-42310
Vulnerability Information
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Vulnerability Title
Pillow: PDF Parsing Trailer Infinite Loop (DoS)
Source: NVD (National Vulnerability Database)
Vulnerability Description
Pillow is a Python imaging library. From version 4.2.0 to before version 12.2.0, an attacker can supply a malicious PDF that causes the process to hang indefinitely, consuming 100% CPU and making the application unresponsive. This issue has been patched in version 12.2.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
不可达退出条件的循环(无限循环)
Source: NVD (National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| python-pillow | Pillow | >= 4.2.0, < 12.2.0 | - |
II. Public POCs for CVE-2026-42310
| # | POC Description | Source Link | Shenlong Link |
|---|
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- Release 12.2.0 · python-pillow/Pillow · GitHubx_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2026-42310
Same Patch Batch · python-pillow · 2026-05-09 · 4 CVEs total
| CVE-2026-42308 | Pillow: Integer overflow when processing fonts | |
| CVE-2026-42311 | Pillow: OOB Write with Invalid PSD Tile Extents (Integer Overflow) | |
| CVE-2026-42309 | Pillow: Heap buffer overflow with nested list coordinates |
IV. Related Vulnerabilities
Same product: Pillow
- CVE-2026-42311
Pillow: OOB Write with Invalid PSD Tile Extents (Integer Ove - CVE-2026-42308
Pillow: Integer overflow when processing fonts - CVE-2026-42309
Pillow: Heap buffer overflow with nested list coordinates - CVE-2026-40192
Pillow is vulnerable to a FITS GZIP decompression bomb - CVE-2026-25990
Pillow has an out-of-bounds write when loading PSD images
Same vendor: python-pillow
- CVE-2026-42311
Pillow: OOB Write with Invalid PSD Tile Extents (Integer Ove - CVE-2026-42308
Pillow: Integer overflow when processing fonts - CVE-2026-42309
Pillow: Heap buffer overflow with nested list coordinates - CVE-2026-40192
Pillow is vulnerable to a FITS GZIP decompression bomb - CVE-2026-25990
Pillow has an out-of-bounds write when loading PSD images
Same weakness: CWE-835
- CVE-2026-41511
OpenMcdf has an Infinite loop DoS via crafted CFB directory - CVE-2026-5407
Loop with Unreachable Exit Condition ('Infinite Loop') in Wi - CVE-2026-6536
Loop with Unreachable Exit Condition ('Infinite Loop') in Wi - CVE-2026-6534
Loop with Unreachable Exit Condition ('Infinite Loop') in Wi - CVE-2026-6531
Loop with Unreachable Exit Condition ('Infinite Loop') in Wi
V. Comments for CVE-2026-42310
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