Debian/erlang: high 8.1
Improper Certificate Validation vulnerability in Erlang OTP public_key (pubkey_cert and public_key modules) allows a DNS nameConstraints bypass via subject CommonName fallback in TLS hostname verifica
Action: Upgrade erlang to 1:27.3.4.1+dfsg-1+deb13u3 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:27.3.4.1+dfsg-1+deb13u3 | - |
Fixed versions
| 1:27.3.4.1+dfsg-1+deb13u3 |
Sources
- osv: DEBIAN-CVE-2026-42790#Debian:13/erlang
- https://security-tracker.debian.org/tracker/CVE-2026-42790
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