High severity7.5NVD Advisory· Published Aug 27, 2026
CVE-2026-81699
CVE-2026-81699
Description
openssl_encrypt versions before 1.4.9 fail to properly validate key derivation function costs in crafted files, allowing attackers to trigger unbounded memory and CPU exhaustion during pre-authentication processing. Attackers can supply malicious files with excessive KDF parameters to exhaust system resources and crash or wedge the process before password verification occurs.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2<1.4.9+ 1 more
- (no CPE)range: <1.4.9
- (no CPE)range: <1.4.9
Patches
Vulnerability mechanics
References
2News mentions
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