CVE-2026-15308 Incremental HTMLParser feed() allows CPU-exhaustion DoS via repeated unterminated markup declarations
| Reporter | Title | Published | Views | Family All 135 |
|---|---|---|---|---|
 | CVE-2026-15308 | 9 Jul 202617:10 | – | attackerkb |
 | Alibaba Cloud Linux 3 : 0226: python3 (ALINUX3-SA-2026:0226) | 23 Jul 202600:00 | – | nessus |
| AlmaLinux 10 : python3.12 (ALSA-2026:39183) | 15 Jul 202600:00 | – | nessus |
| AlmaLinux 8 : python3 (ALSA-2026:39320) | 15 Jul 202600:00 | – | nessus |
| AlmaLinux 9 : python3.12 (ALSA-2026:39771) | 16 Jul 202600:00 | – | nessus |
| AlmaLinux 9 : python3.9 (ALSA-2026:39798) | 15 Jul 202600:00 | – | nessus |
| AlmaLinux 8 : python3.12 (ALSA-2026:39893) | 16 Jul 202600:00 | – | nessus |
| AlmaLinux 10 : python3.14 (ALSA-2026:40856) | 20 Jul 202600:00 | – | nessus |
| AlmaLinux 9 : python3.14 (ALSA-2026:41949) | 21 Jul 202600:00 | – | nessus |
| Fedora 45 : python3.12 (2026-05338c2e02) | 30 Jul 202600:00 | – | nessus |
10
[
{
"defaultStatus": "unaffected",
"modules": [
"html.parser",
"html"
],
"product": "CPython",
"repo": "https://github.com/python/cpython",
"vendor": "Python Software Foundation",
"versions": [
{
"version": "0",
"lessThan": "3.15.0b4",
"status": "affected",
"versionType": "python"
}
]
}
]Data
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23 Jul 2026 18:46Current
CVSS 48.7
EPSS0.00551