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CVE-2026-28231 pillow_heif Has Integer Overflow in Encode Path Buffer Validation that Leads to Heap Out-of-Bounds Read

🗓️ 27 Feb 2026 20:13:45Reported by GoogleType 
osv_cve
 osv_cve
🔗 osv.dev👁 34 Views

Pillow_heif pre-1.3.0 has integer overflow in encode path buffer validation causing heap read.

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21 Oct 2026 09:51Current
6.3Medium risk
Vulners AI Score6.3
CVSS 46.9
EPSS0.00727
34