UnratedRed Hat & Ubuntu Linux
Memcached vulnerabilities
USN-8320-1 Published May 27, 2026
CVE-2026-47783CVE-2026-47784
Affected products & platforms
Red Hat & Ubuntu LinuxUnclassified
Summary
It was discovered that Memcached's SASL password database authentication had a timing side channel when handling username and password data. A remote attacker could possibly use this issue to obtain sensitive information. Affected Ubuntu releases: 26.04, 25.10, 24.04, 22.04. CVEs: CVE-2026-47784, CVE-2026-47783.
Affected versions
- Ubuntu 26.04
- Ubuntu 25.10
- Ubuntu 24.04
- Ubuntu 22.04
Official advisory · medium-confidence parse· fetched 3 hours ago·verify at source
Mitigation checklist
Recommended fix / mitigation
- Apply available updates: `sudo apt update && sudo apt upgrade` (a standard system update installs the fix).
Official advisory · medium-confidence parse· fetched 3 hours ago·verify at source
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