CVE-2021-21240

Katalog CVE

CVSS 7.5 · High EPSS 3,6%

Kerentanan Uncontrolled Resource Consumption pada httplib2 project httplib2. Skor CVSS 3.1 7.5 (High) menurut NVD.

Deskripsi (NVD)

httplib2 is a comprehensive HTTP client library for Python. In httplib2 before version 0.19.0, a malicious server which responds with long series of "\xa0" characters in the "www-authenticate" header may cause Denial of Service (CPU burn while parsing header) of the httplib2 client accessing said server. This is fixed in version 0.19.0 which contains a new implementation of auth headers parsing using the pyparsing library.

Rincian

Terbit di NVD

8 Februari 2021

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-400: Uncontrolled Resource Consumption

EPSS (30 hari)

3,6% peluang dieksploitasi; lebih tinggi dari 89,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://github.com/httplib2/httplib2/commit/bd9ee252c8f099608019709e22c0d705e98d26bc patch · advisory pihak ketiga
• https://github.com/httplib2/httplib2/pull/182 patch · advisory pihak ketiga
• https://github.com/httplib2/httplib2/security/advisories/GHSA-93xj-8mrv-444m exploit · mitigasi · advisory pihak ketiga
• https://pypi.org/project/httplib2 product · advisory pihak ketiga