CVE-2026-81720

Medium

Description

openssl_encrypt before 1.4.9 fails to validate the memory_cost parameter from identity file protection blocks, allowing attackers to trigger out-of-memory conditions during key derivation. Attackers with write access to local identity stores can craft malicious identity files with excessive memory_cost values that cause the host to crash when unlocking identities before authentication.

SeverityMedium
CVSS6.2
Exploit probability—
ProductJahlives Openssl Encrypt
PublishedAug 27, 2026
First seenAug 27, 2026

How to fix

Update
  • jahlives openssl_encrypt1.4.9 or later
  • openssl-encrypt1.4.9 or later

Affected products

ProductAffected versionsFixed in
jahlives openssl_encryptv < 1.4.91.4.9
openssl-encryptPyPIv < 1.4.91.4.9

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CVE-2026-81720 · Jahlives Openssl Encrypt · Dark Radar