Linux · Debian · Security advisory · October 7, 2026

DEBIAN-CVE-2026-89422: erlang security update

DEBIAN-CVE-2026-89422, released October 7, 2026, fixes 1 CVE in erlang. None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent
CVEs closed
1
1 rated Critical
Exploited
0
None reported
Highest CVSS
n/a
No CVSS score published
Highest EPSS
0.0046
40th percentile

Fixed package versions

ProductReleaseFixed in
erlangDebian 13.5 (trixie)1:27.3.4.1+dfsg-1+deb13u4
erlangDebian 141:29.1.1+dfsg-1

CVEs this fix closes

PriorityCVETitleCVSSEPSSExploitation
Urgent CVE-2026-89422 TLS 1.3 client skips server authentication when ServerHello carries an unsolicited pre_shared_key extensionn/a 0.0046 None reported
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