Buffer overflow in Rust-openssl
CVE-2026-41678
rust-openssl provides OpenSSL bindings for the Rust programming language. From to before 0.10.78, aes::unwrap_key() contains an incorrect assertion: it checks that out.len() + 8 <= in_.len(), but this condition is reversed. The intended…
Vulnerability class: Buffer Overflow
EPSS: 0.003 (16.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Rust-openssl — versions >= 0.10.24, < 0.10.78
- Rust-openssl_project Rust-openssl
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)
Frequently asked questions
- What is CVE-2026-41678?
- CVE-2026-41678 is a high-severity vulnerability in Rust-openssl, classified under Out-of-bounds Write. CVSS score: 8.1/10. Published 2026-04-24.
- How severe is CVE-2026-41678?
- High severity. CVSS v3 base score is 8.1 out of 10.