Debian 11 tzdata Significant Timezone Update DLA-4569-1 Released

- - British Columbia moved to permanent -07 on 2026-03-09, so it will not
fall back from -07 to -08 on 2026-11-01.
- - Updated leap second list, which was set to expire by the end of
June.

For Debian 11 bullseye, this problem has been fixed in version
2026b-0+deb11u1.

We recommend that you upgrade your tzdata packages.

For the detailed security status of tzdata please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/tzdata

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS