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CVE-2026-41681

rust-openssl: MdCtxRef::digest_final() writes past caller buffer with no length check PUBLISHED

Description (CNA)

rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.10.39 to before 0.10.78, EVP_DigestFinal() always writes EVP_MD_CTX_size(ctx) to the out buffer. If out is smaller than that, MdCtxRef::digest_final() writes past its end, usually corrupting the stack. This is reachable from safe Rust. This vulnerability is fixed in 0.10.78.

Affected (CNA)

Vendor / productVersions
rust-openssl / rust-opensslaffected >= 0.10.39, < 0.10.78

CWE

CWE-121

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.