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CVE-2026-40684

Exim

Popis

In Exim before 4.99.2, on systems using musl libc (not glibc), an attacker can crash the connection instance when malformed DNS data is present in PTR records. This is caused by a dn_expand oddity in octal printing.

CVSS 5.9EPSS 0.362%Riziko 0.61
Zobraziť zdroj
Zverejnené
2026-04-30 22:16:25
Dotknuté verzie
<4.99.2
Typ
Core software
Vektor
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H