------------------------------------------------------------------------- Debian LTS Advisory DLA-4524-2 [email protected] https://www.debian.org/lts/security/ Jochen Sprickerhof April 17, 2026 https://wiki.debian.org/LTS -------------------------------------------------------------------------
Package : postgresql-13 Version : 13.23-0+deb11u3 The fix for CVE-2026-2006 introduced a regression in SUBSTRING() for toasted multibyte characters, as discussed in the upstream bug: https://www.postgresql.org/message-id/[email protected] Also a number of minor upstream fixes for the patches added in 13.23-0+deb11u2 where added: * pg_mblen_range, pg_mblen_with_len: Valgrind after encoding ereport. * Suppress new "may be used uninitialized" warning. * Fix test_valid_server_encoding helper function. * pgcrypto: Tweak error message for incorrect session key length. For Debian 11 bullseye, this problem has been fixed in version 13.23-0+deb11u3. We recommend that you upgrade your postgresql-13 packages. For the detailed security status of postgresql-13 please refer to its security tracker page at: https://security-tracker.debian.org/tracker/postgresql-13 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
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