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EUVD-2026-358994

fkie_cve-2026-78183

DBD::Pg version 3.21.0 for Perl has a heap out-of-bounds write in quote_float.

quote_float() allocates the length of the string + 1, which is the size of the bare numeric symbol plus NULL. But for special literals NaN, Inf, +Inf, -Inf, Infinity, +Infinity, -Infinity it emits the literal surrounded by quotes plus NULL, which is length + 3 bytes. Every recognised literal (case-insensitive) overflows by 2 bytes, a single quote and a NULL.

This can be reached by the $dbh->quote method, for example

$dbh->quote( "Infinity", DBI::SQL_NUMERIC ).

This regression was introduced in 3.21.0 by the quote.c rewrite.

GHSA-6mq2-jf7v-pvjx

DBD::Pg version 3.21.0 for Perl has a heap out-of-bounds write in quote_float.

This can be reached by the $dbh->quote method, for example

$dbh->quote( "Infinity", DBI::SQL_NUMERIC ).

This regression was introduced in 3.21.0 by the quote.c rewrite.

openSUSE-SU-2026:11722-1 — perl-DBD-Pg-3.21.2-1.1 on GA media

perl-DBD-Pg-3.21.2-1.1 on GA media

UBUNTU-CVE-2026-78183

Affected: Ubuntu:16.04:LTS: libdbd-pg-perl, Ubuntu:18.04:LTS: libdbd-pg-perl, Ubuntu:20.04:LTS: libdbd-pg-perl, Ubuntu:22.04:LTS: libdbd-pg-perl, Ubuntu:24.04:LTS: libdbd-pg-perl, Ubuntu:26.04:LTS: libdbd-pg-perl

DBD::Pg version 3.21.0 for Perl has a heap out-of-bounds write in quote_float. quote_float() allocates the length of the string + 1, which is the size of the bare numeric symbol plus NULL. But for special literals NaN, Inf, +Inf, -Inf, Infinity, +Infinity, -Infinity it emits the literal surrounded by quotes plus NULL, which is length + 3 bytes. Every recognised literal (case-insensitive) overflows by 2 bytes, a single quote and a NULL. This can be reached by the $dbh->quote method, for example $dbh->quote( "Infinity", DBI::SQL_NUMERIC ). This regression was introduced in 3.21.0 by the quote.c rewrite.