Most recent entries from all https://vulnerability.circl.lu Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sat, 03 Oct 2026 20:40:26 +0000 CVE-2021-21240 — Regular Expression Denial of Service in httplib2 https://vulnerability.circl.lu/vuln/cve-2021-21240 <p><strong>Affected:</strong> httplib2</p> <p>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 &#34;\xa0&#34; characters in the &#34;www-authenticate&#34; 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.</p> <p><strong>Affected:</strong> httplib2</p> <p>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 &#34;\xa0&#34; characters in the &#34;www-authenticate&#34; 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.</p> https://vulnerability.circl.lu/vuln/cve-2021-21240