PT-2026-34620 · Pypi · Rust-Openssl

Alex · Published 2026-04-22 · Updated 2026-04-28 · CVE-2026-41677

Positive Technologies (AI Summary)

CVSS v3.1

9.1

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Name of the Vulnerable Software and Affected Versions rust-openssl versions 0.9.0 through 0.10.77

Description The * from pem callback APIs do not validate the length returned by the user's callback. A password callback returning a value larger than the provided buffer can cause certain versions of OpenSSL to over-read this buffer. OpenSSL 3.x is not affected.

Recommendations Update to version 0.10.78.

Fix

Out of bounds Read

Weakness Enumeration

CWE-125

CWE-1284

Related Identifiers

CVE-2026-41677

GHSA-XMGF-HQ76-4VX2

Affected Products

Rust-Openssl

References · 14

• https://github.com/rust-openssl/rust-openssl/security/advisories/GHSA-xmgf-hq76-4vx2 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-xmgf-hq76-4vx2 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-41677 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-41677 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-41677 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2026-41677 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-41677 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-41677 · Security Note
• https://github.com/rust-openssl/rust-openssl · Note
• https://github.com/rust-openssl/rust-openssl/pull/2605 · Note
• https://github.com/rust-openssl/rust-openssl/commit/5af6895c907773699f37f583f409b862284062b1 · Note
• https://github.com/rust-openssl/rust-openssl/releases/tag/openssl-v0.10.78 · Note
• https://twitter.com/CVEnew/status/2047798600697258278 · Twitter Post
• https://twitter.com/dailycve/status/2047442993653710980 · Twitter Post