PT-2026-41702 · Julia · Libssh2 Jll

Published 2026-05-08 · Updated 2026-05-08

OSV

A security vulnerability has been detected in libssh2 up to 1.11.1. The impacted element is the function userauth password of the file src/userauth.c. Such manipulation of the argument username len/password len leads to integer overflow. The attack may be launched remotely. The name of the patch is 256d04b60d80bf1190e96b0ad1e91b2174d744b1. A patch should be applied to remediate this issue.

Related Identifiers

JLSEC-2026-492

Affected Products

Libssh2 Jll

References · 7

• https://osv.dev/vulnerability/JLSEC-2026-492 · Vendor Advisory
• https://github.com/libssh2/libssh2/commit/256d04b60d80bf1190e96b0ad1e91b2174d744b1 · Note
• https://github.com/libssh2/libssh2/pull/1858 · Note
• https://vuldb.com/vuln/360555 · Note
• https://vuldb.com/submit/805564 · Note
• https://vuldb.com/vuln/360555/cti · Note
• https://github.com/libssh2/libssh2 · Note