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openSUSE-SU-2026:20938-1

Опубликовано: 10 июн. 2026
Источник: suse-cvrf

Описание

Security update for perl-YAML-Syck

This update for perl-YAML-Syck fixes the following issues:

Changes in perl-YAML-Syck:

  • CVE-2026-5089: prevent buffer underflow in base60 (sexagesimal) parsing (PR #133) (bsc#1265155).

Список пакетов

openSUSE Leap 16.0
perl-YAML-Syck-1.450.0-bp160.2.1

Ссылки

Описание

YAML::Syck versions before 1.38 for Perl has an out-of-bounds read. The base60 (sexagesimal) parsing code in perl_syck.h has a buffer underflow bug in both int#base60 and float#base60 handlers. When processing the leftmost segment of a colon-separated value (e.g., the 1 in 1:30:45), the inner while loop can decrement a pointer past the start of the string buffer: while ( colon >= ptr && *colon != ':' ) { colon--; } if ( *colon == ':' ) *colon = '\0'; // colon may be ptr-1 here When no colon is found (final/leftmost segment), colon becomes ptr-1, and the subsequent *colon dereference reads one byte before the allocated buffer.

Затронутые продукты
openSUSE Leap 16.0:perl-YAML-Syck-1.450.0-bp160.2.1
Ссылки