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Description

rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.0 to before 0.10.78, the *_from_pem_callback APIs did not validate the length returned by the user's callback. A password callback that returns a value larger than the buffer it was given can cause some versions of OpenSSL to over-read this buffer. OpenSSL 3.x is not affected by this. This vulnerability is fixed in 0.10.78.

PUBLISHED Reserved 2026-04-22 | Published 2026-04-24 | Updated 2026-04-24 | Assigner GitHub_M




LOW: 1.7CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:N/VA:L/SC:N/SI:N/SA:N/E:U

Problem types

CWE-125: Out-of-bounds Read

CWE-1284: Improper Validation of Specified Quantity in Input

Product status

>= 0.9.0, < 0.10.78
affected

References

github.com/...penssl/security/advisories/GHSA-xmgf-hq76-4vx2

cve.org (CVE-2026-41677)

nvd.nist.gov (CVE-2026-41677)

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