CVE-2006-5876: The soup_headers_parse function in soup-headers.c for libsoup HTTP library before 2.2.99 allows remote atta...

Security readout for executives and security teams

CVE-2006-5876 is a denial-of-service flaw in the libsoup HTTP library before 2.2.99. A remote party could send malformed HTTP headers that make affected software crash. The sources do not show data theft or code execution, but outages are possible where legacy libsoup parses untrusted HTTP traffic. Exposure is most likely in legacy systems or applications still using libsoup before 2.2.99. Risk depends on whether those components parse untrusted HTTP headers from remote clients, servers, proxies, or feeds. Handle during legacy dependency remediation unless affected systems are internet-facing or business-critical. Prioritize faster if crashes could disrupt customer-facing services or monitoring shows unexplained failures. Mitigation focus: Inventory systems and applications using libsoup.; Upgrade libsoup to 2.2.99 or a vendor-fixed package.; Apply relevant distribution advisories from Debian, Ubuntu, Mandriva, or Fedora..

Prepared

Jun 29, 2026, 08:16 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.