CVE-2026-15308

creationtimestamp| type| source ---|---|--- 2026-07-09 17:55:06+00:00| seen| https://bsky.app/profile/infosec.skyfleet.blue/post/3mqa7dgwyrk24 2026-07-09 18:45:19+00:00| seen| https://bsky.app/profile/cve.skyfleet.blue/post/3mqac5dfb5325...

CVE-2026-15308

The CVE-2026-15308 issue concerns Python’s incremental HTML parser (html.parser.HTMLParser) where the feed() path can cause CPU denial-of-service through repeated unterminated markup declarations when processing uncontrolled data. The root cause is tied to how unterminated markup declarations are...