CVE-2026-41898

MediumCVSS 5.3/10Last modified Nov 11, 2026

Description

rust-openssl provides OpenSSL bindings for the Rust programming language. From 0.9.24 to before 0.10.78, the FFI trampolines behind SslContextBuilder::set_psk_client_callback, set_psk_server_callback, set_cookie_generate_cb, and set_stateless_cookie_generate_cb forwarded the user closure's returned usize directly to OpenSSL without checking it against the &mut [u8] that was handed to the closure. This can lead to buffer overflows and other unintended consequences. This vulnerability is fixed in 0.10.78.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-126 CWE-130

Affected software

Vendor	Product	Versions
rust-openssl	rust-openssl	>= 0.9.24, < 0.10.78

References

Timeline

Published: Apr 24, 2026
Last modified: Nov 11, 2026
NVD status: Analyzed

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