Vulnerability 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.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Jahlives | Openssl Encrypt | < 1.4.9 |
Related Weaknesses (CWE)
References
- https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-phmr-p567-qVendor Advisory
- https://www.vulncheck.com/advisories/openssl-encrypt-before-1.4.9-denial-of-servThird Party Advisory
FAQ
What is CVE-2026-81699?
CVE-2026-81699 is a vulnerability with a CVSS score of 7.5 (HIGH). 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-authenticat...
How severe is CVE-2026-81699?
CVE-2026-81699 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-81699?
Check the references section above for vendor advisories and patch information. Affected products include: Jahlives Openssl Encrypt.