CVE-2026-41678
HIGH SEVERITYCVSS Score & Metrics
Base Score
9.8 / 10
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Vulnerability Description
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 invariant is out.len() >= in_.len() - 8, ensuring the output buffer is large enough. Because of the inverted check, the function only accepts buffers at or below the minimum required size and rejects larger ones. If a smaller buffer is provided the function will write past the end of out by in_.len() - 8 - out.len() bytes, causing an out-of-bounds write from a safe public function. This vulnerability is fixed in 0.10.78.
Vulnerability Details
Published Date
Last Modified
CWE ID
CWE-787
Source
GitHub
Vendor
rust
Product
openssl
External References
- https://github.com/rust-openssl/rust-openssl/security/advisories/GHSA-8c75-8mhr-p7r9
- https://github.com/rust-openssl/rust-openssl/pull/2604
- https://github.com/rust-openssl/rust-openssl/commit/718d07ff8ff7be417d5b7a6a0047f1607520b3b6
- https://github.com/rust-openssl/rust-openssl/releases/tag/openssl-v0.10.78
- https://github.com/advisories/GHSA-8c75-8mhr-p7r9
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