CVE-2021-44686

Publicada em 06 dez 2021 · Atualizada em 04 nov 2025

Aviso por e-mail quando ela entrar no KEV, ganhar PoC pública ou subir de nota.

3Vexday Risk Score

Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.

ssvc Trackepss 5.2%

calibre before 5.32.0 contains a regular expression that is vulnerable to ReDoS (Regular Expression Denial of Service) in html_preprocess_rules in ebooks/conversion/preprocess.py.

Produtos afetados

n/a · n/a

Referências

https://bugs.launchpad.net/calibre/+bug/1951979 https://github.com/dwisiswant0/advisory/issues/18 https://github.com/kovidgoyal/calibre/compare/v5.31.1...v5.32.0 https://lists.debian.org/debian-lts-announce/2024/09/msg00005.html https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/W7QKFPYJ23KG6WJ5NIYAM4N2NWZCLQGL/