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CVE-2019-25781

Опубликовано: 29 окт. 2026
Источник: debian
EPSS Низкий

Описание

Python-Markdown 3.0 through 3.11.2 contains an algorithmic complexity vulnerability in inline link parsing that allows remote attackers to exhaust CPU through unmatched brackets. Attackers can submit short Markdown containing repeated [ or ![ characters, forcing LinkInlineProcessor.getText() and getLink() into quadratic scans that keep workers busy for minutes.

Пакеты

ПакетСтатусВерсия исправленияРелизТип
python-markdownunfixedpackage
python-markdownpostponedtrixiepackage
python-markdownpostponedbookwormpackage

Примечания

  • https://github.com/Python-Markdown/markdown/issues/798

  • https://github.com/Python-Markdown/markdown/issues/1654

EPSS

Процентиль: 37%
0.00422
Низкий

Связанные уязвимости

CVSS3: 7.5
ubuntu
15 дней назад

Python-Markdown 3.0 through 3.11.2 contains an algorithmic complexity vulnerability in inline link parsing that allows remote attackers to exhaust CPU through unmatched brackets. Attackers can submit short Markdown containing repeated [ or ![ characters, forcing LinkInlineProcessor.getText() and getLink() into quadratic scans that keep workers busy for minutes.

CVSS3: 7.5
redhat
15 дней назад

Python-Markdown 3.0 through 3.11.2 contains an algorithmic complexity vulnerability in inline link parsing that allows remote attackers to exhaust CPU through unmatched brackets. Attackers can submit short Markdown containing repeated [ or ![ characters, forcing LinkInlineProcessor.getText() and getLink() into quadratic scans that keep workers busy for minutes.

CVSS3: 7.5
nvd
15 дней назад

Python-Markdown 3.0 through 3.11.2 contains an algorithmic complexity vulnerability in inline link parsing that allows remote attackers to exhaust CPU through unmatched brackets. Attackers can submit short Markdown containing repeated [ or ![ characters, forcing LinkInlineProcessor.getText() and getLink() into quadratic scans that keep workers busy for minutes.

CVSS3: 7.5
msrc
11 дней назад

Python-Markdown 3.0 through 3.11.2 Denial of Service via Link Bracket Parsing

CVSS3: 7.5
github
15 дней назад

Python-Markdown 3.0 through 3.11.2 contains an algorithmic complexity vulnerability in inline link parsing that allows remote attackers to exhaust CPU through unmatched brackets. Attackers can submit short Markdown containing repeated [ or ![ characters, forcing LinkInlineProcessor.getText() and getLink() into quadratic scans that keep workers busy for minutes.

EPSS

Процентиль: 37%
0.00422
Низкий