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The vulnerability of the PdfParser.PdfStream.decode() function in the PIL/PdfParser.py module of the Pillow image processing library allows a hacker to induce a service denial.

🗓️ 17 Jul 2026 00:00:00Reported by FSTEC of Russia — Information Security Threat DatabaseType 
bdu_fstec
 bdu_fstec
🔗 bdu.fstec.ru👁 3 Views

Pillow PdfStream.decode() vulnerability enables remote denial of service via uncontrolled memory.

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17 Jul 2026 00:00Current
5.3Medium risk
Vulners AI Score5.3
CVSS 37.5
CVSS 27.8
EPSS0.0035
3