CVE-2026-7598

high Red Hat
CVSS v3 Base Score
9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
EPSS Score
0.1%
Exploitation probability in 30 days
Top 79% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
None
Integrity
High
Availability
High
Published: May 1, 2026 (69 days ago)
Last Modified: May 1, 2026
Vendor: Red Hat
Fix Available: ✓ Yes
Source: REDHAT

Description

A flaw was found in the libssh2 library. A remote attacker can exploit an integer overflow vulnerability in the `userauth_password` function by manipulating the `username_len` or `password_len` arguments and cause a heap-based buffer overflow. This leads to a crash to the application linked to the library and potentially allows arbitrary code execution.

CWE

CWE-190

Affected Products

Red Hat Enterprise Linux 6Red Hat Enterprise Linux 7Red Hat OpenShift Container Platform 4Red Hat OpenShift Update ServiceRed Hat Trusted Profile AnalyzerRed Hat Hardened Images

Fix Status

✅ Fix Available

References

🔗 bugzilla.redhat.com 🔗 www.cve.org 🔗 nvd.nist.gov 🔗 github.com 🔗 github.com