CVE-2026-74885

critical

Description

openssl_encrypt versions before 1.4.0 contain a logging bug in restore_hidden_modules() that logs module counts after clearing, always showing zero restored modules and corrupting audit trails. Additionally, a race condition exists between module hiding and import hook installation where another thread could re-import blocked modules in multi-threaded environments.

References

https://www.vulncheck.com/advisories/openssl-encrypt-before-logging-bug-and-race-condition

https://github.com/jahlives/openssl_encrypt/security/advisories/GHSA-43r4-3hf9-m84q

Details

Source: Mitre, NVD

Published: 2026-08-17

Updated: 2026-08-17

Risk Information

CVSS v2

Base Score: 2.4

Vector: CVSS2#AV:L/AC:H/Au:S/C:P/I:P/A:N

Severity: Low

CVSS v3

Base Score: 3.6

Vector: CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N

Severity: Low

CVSS v4

Base Score: 9.3

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Severity: Critical