Security update for python-mistune (moderate)

openSUSE security update: security update for python-mistune ------------------------------------------------------------- Announcement ID: openSUSE-SU-2026:21339-1 Rating: moderate References: bsc1271082 bsc1271117 bsc1271119 bsc1271121 bsc1271125 bsc1271127 bsc1271128 bsc1271131 bsc1271132...

UBUNTU-CVE-2026-59922

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, a run of closed tilde, equals-sign, or caret marker pairs around a character causes quadratic work in src/mistune/plugins/formatting.py when the strikethrough, mark, or insert plugin scans for matching markers from ea...

CVE-2026-59922

Mistune is a Python Markdown parser with renderers and plugins. Prior to 3.3.0, a run of closed tilde, equals-sign, or caret marker pairs around a character causes quadratic work in src/mistune/plugins/formatting.py when the strikethrough, mark, or insert plugin scans for matching markers from ea...

CVE-2026-59922

Mistune (Python Markdown parser) contains a quadratic-time DoS in formatting.py for long runs of marker pairs (x , ==x==, ^^x^^) in the strikethrough/mark/insert plugins. The issue arises from scanning for matching markers from every possible start position, causing CPU exhaustion. It is fixed in...