High7.5Red Hat & Ubuntu Linux

Stack-based buffer overflow in libsolv EdDSA PGP signature verification allows denial of service

CVE-2026-48863 Published May 26, 2026

CVE-2026-48863

Affected products & platforms

Red Hat & Ubuntu LinuxUnclassified

Summary

Stack-based buffer overflow in libsolv EdDSA PGP signature verification allows denial of service. Red Hat rates this important (CVSS 7.5). Weakness: CWE-121. No fix erratum has been published yet; monitor the Red Hat CVE page and apply the RHSA when released.

Mitigation checklist

Recommended fix / mitigation

Red Hat rates this important; a fix erratum may not be out yet — apply the RHSA as soon as it publishes.

Official advisory · high-confidence parse· fetched 2 hours ago·verify at source

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