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Mageia 9 Sudo Critical Privilege Escalation Threat CVE-2026-35535

mageia
Calendar Grey June 15, 2026
Dist Mageia Esm H88
Discover a critical security advisory for Mageia 9 addressing a privilege escalation flaw in sudo. Immediate action required.
Security update

Summary

Description: In Sudo through 1.9.17p2 before 3e474c2, a failure of a setuid, setgid, or setgroups call, during a privilege drop before running the mailer, is not a fatal error and can lead to privilege escalation. (CVE-2026-35535)

References

- https://bugs.mageia.org/show_bug.cgi?id=35434

- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/R55OTRP6IUWZLJBXLPP4BYUVXGGO7R5M/

- https://cdn2.qualys.com/advisory/2026/03/10/crack-armor.txt

- https://bugs.launchpad.net/ubuntu/+source/sudo/+bug/2143042

- https://www.cve.org/CVERecord?id=CVE-2026-35535

Topics%20covered

Topics Covered

security advisory critical privilege escalation sudo Mageia cve-2026-35535

Resolution

SRPMS

- 9/core/sudo-1.9.15p5-1.2.mga9

Severity
critical
Lowest
Low
Medium
High
Critical

Publication date: 15 Jun 2026
URL: https://advisories.mageia.org/MGASA-2026-0211.html
Type: security
CVE: CVE-2026-35535

Topics%20covered

Topics Covered

security advisory critical privilege escalation sudo Mageia cve-2026-35535

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