Medium5.0Red Hat & Ubuntu Linux
integer underflow in berval2tl_data() leads to heap out-of-bounds read
CVE-2026-11850 Published Jun 10, 2026
CVE-2026-11850
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
integer underflow in berval2tl_data() leads to heap out-of-bounds read. Red Hat rates this moderate (CVSS 5). Weakness: CWE-191. Affected package(s): krb5-main. Resolved in Red Hat advisory RHSA-2026:25520 — update the affected packages (`sudo dnf update`).
Affected versions
- krb5-main-1.22.2-8.hum1
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
Fixed versions
- RHSA-2026:25520
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Update the affected package(s) to the fixed version shipped in RHSA-2026:25520 (`sudo dnf update` / `yum update`).
Official advisory · high-confidence parse· fetched 1 day ago·verify at source
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