CLSA-2026-1778174719 Fix CVE(s): CVE-2026-40684

SECURITY UPDATE: Crash via malformed DNS response on musl libc systems - debian/patches/CVE-2026-40684.patch: handle musl libc dnexpand backslash-decimal escape oddity in stringcopydnsdomain - CVE-2026-40684...

DEBIAN-CVE-2026-40684

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 dnexpand oddity in octal printing...

CVE-2026-40684

creationtimestamp| type| source ---|---|--- 2026-04-30 13:50:08+00:00| seen| https://bsky.app/profile/o2cloud.bsky.social/post/3mkpqz242uz27 2026-05-02 04:40:22+00:00| seen| https://vulnerability.circl.lu/bundle/1f150b5f-d6d1-40b6-94cc-7bd855a097ec...