CVE-2026-105830 league/commonmark 2.0.0 before 2.10.2 Quadratic DoS via TableStartParser

league/commonmark from 2.0.0 before 2.10.2 contains a quadratic-time denial of service vulnerability in the GitHub Flavored Markdown Table extension's TableStartParser::tryStart block-start scan. Unauthenticated attackers can submit a large paragraph of pipe-free lines not starting with letters,...

GHSA-3Q6V-R5MR-HXV8 league/commonmark: Quadratic-time denial of service in the GitHub Flavored Markdown Table extension block-start scan

Summary league/commonmark's GitHub Flavored Markdown Table extension registers TableStartParser as a block-start parser. While a paragraph is the active block, the core block parser calls TableStartParser::tryStart on every non-blank line. Its first action fetches the entire growing paragraph...

CVE-2025-39957

CVE-2025-39957 affects the Linux kernel wireless stack (wifi: mac80211) where S1G capability length was not accounted for in scan_ies_len, causing a buffer length validation failure in ieee80211_prep_hw_scan() and a WARN in __ieee80211_start_scan(). The fix adds S1G length to the calculation to e...