Critical9.1Vendor: HighRed Hat & Ubuntu Linux
integer overflow via large username or password arguments
CVE-2026-7598 Published May 1, 2026
CVE-2026-7598
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
integer overflow via large username or password arguments. Red Hat rates this important (CVSS 9.1). Weakness: CWE-190. Affected package(s): libssh2-main, rust-main. Resolved in Red Hat advisory RHSA-2026:7021 — update the affected packages (`sudo dnf update`).
Affected versions
- libssh2-main-1.11.1-5.1.hum1
- rust-main-1.95.0-5.hum1
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Fixed versions
- RHSA-2026:7021
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:7021 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
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