https://db.gcve.eu/rss/recent/all/10 Most recent entries from all 2026-09-28T19:44:43.777454+00:00 Vulnerability-Lookup info@gcve.eu python-feedgen Contains only the most 10 recent entries. https://db.gcve.eu/vuln/fkie_cve-2026-86250 fkie_cve-2026-86250 2026-09-28T19:44:43.803328+00:00

h3 versions before 2.0.1-rc.18 fail to validate the chunk count parsed from user-controlled cookie values in setChunkedCookie() and deleteChunkedCookie() functions. Attackers can send a crafted cookie header with an extremely large chunk count to trigger an O(n²) cleanup loop that hangs the server process.

 https://db.gcve.eu/vuln/ghsa-fg72-q65g-wm5w GHSA-fg72-q65g-wm5w 2026-09-28T19:44:43.803450+00:00

h3 versions before 2.0.1-rc.18 fail to validate the chunk count parsed from user-controlled cookie values in setChunkedCookie() and deleteChunkedCookie() functions. Attackers can send a crafted cookie header with an extremely large chunk count to trigger an O(n²) cleanup loop that hangs the server process.