CVE-2025-40775

Publication date 21 May 2025

Last updated 21 May 2025

Ubuntu priority

Medium

Why this priority?

DNS message with invalid TSIG causes an assertion failure

Read the notes from the security team

Status

Package Ubuntu Release Status
bind9 25.04 plucky
Fixed 1:9.20.4-3ubuntu1.1
24.10 oracular
Fixed 1:9.20.0-2ubuntu3.2
24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected
bind9-libs 25.04 plucky Not in release
24.10 oracular Not in release
24.04 LTS noble Not in release
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
isc-dhcp 25.04 plucky
Not affected
24.10 oracular
Not affected
24.04 LTS noble
Not affected
22.04 LTS jammy
Not affected
20.04 LTS focal
Not affected
18.04 LTS bionic
Not affected
16.04 LTS xenial
Not affected
14.04 LTS trusty
Not affected

Notes

alexmurray

As of isc-dhcp-4.4.3-1, isc-dhcp vendors bind9 libs

mdeslaur

in focal and jammy, isc-dhcp uses the bind9-libs package This is unlikely to affect isc-dhcp's use of bind9-libs and the vendored bind9 libs, marking as negligible only affects 9.20+

References

Related Ubuntu Security Notices (USN)

Other references