Bug 2464597 (CVE-2026-7598) - CVE-2026-7598 libssh2: integer overflow via large username or password arguments
Summary: CVE-2026-7598 libssh2: integer overflow via large username or password arguments
Keywords:
Status: NEW
Alias: CVE-2026-7598
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2468328 2468329 2468333 2468335 2468330 2468331 2468332 2468334
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-01 22:01 UTC by OSIDB Bzimport
Modified: 2026-05-08 19:21 UTC (History)
13 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description OSIDB Bzimport 2026-05-01 22:01:19 UTC 
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.
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