CVE-2021-32837: mechanize project mechanize

csirt@kutim:~/threat-intel/cve/CVE-2021-32837

CVSS 7.5 · High EPSS 28,9%

Kerentanan Inefficient Regular Expression Complexity pada mechanize project mechanize. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

mechanize, a library for automatically interacting with HTTP web servers, contains a regular expression that is vulnerable to regular expression denial of service (ReDoS) prior to version 0.4.6. If a web server responds in a malicious way, then mechanize could crash. Version 0.4.6 has a patch for the issue.

Rincian

Terbit di NVD: 17 Januari 2023
Terakhir diubah: 17 Juni 2026
Status NVD: Modified
CVSS 3.1: 7.5 (High), sumber NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H · uraikan di kalkulator
Jenis kelemahan (CWE): CWE-1333: Inefficient Regular Expression Complexity
EPSS (30 hari): 28,9% peluang dieksploitasi; lebih tinggi dari 98,1% CVE lain

Produk dan versi terdampak

Vendor	Produk	Versi terdampak
mechanize project	mechanize	Semua versi sebelum 0.4.6

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

https://github.com/python-mechanize/mechanize/commit/dd05334448e9f39814bab044d2eaa5ef69b410d6 patch · advisory pihak ketiga
https://github.com/python-mechanize/mechanize/blob/3acb1836f3fd8edc5a758a417dd46b53832ae3b5/mechanize/_urllib2... exploit · advisory pihak ketiga
https://github.com/python-mechanize/mechanize/releases/tag/v0.4.6 advisory pihak ketiga
https://securitylab.github.com/advisories/GHSL-2021-108-python-mechanize-mechanize/ exploit · advisory pihak ketiga
https://lists.debian.org/debian-lts-announce/2023/06/msg00022.html
https://lists.debian.org/debian-lts-announce/2025/12/msg00028.html

Sumber: NVD · CVE.org · EPSS. Halaman ini disusun otomatis dari data tersebut; pembaruan terakhir 5 Okt 2026, 20:10 WITA. Kalau sistem di Perangkat Daerah memakai produk ini dan butuh bantuan, laporkan lewat kanal pelaporan.