Debian Security Advisory

DSA-5243-1 lighttpd -- security update

Date Reported:
28 Sep 2022
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2022-37797, CVE-2022-41556.
More information:

Several vulnerabilities were discovered in lighttpd, a fast webserver with minimal memory footprint.

  • CVE-2022-37797

    An invalid HTTP request (websocket handshake) may cause a NULL pointer dereference in the wstunnel module.

  • CVE-2022-41556

    A resource leak in mod_fastcgi and mod_scgi could lead to a denial of service after a large number of bad HTTP requests.

For the stable distribution (bullseye), these problems have been fixed in version 1.4.59-1+deb11u2.

We recommend that you upgrade your lighttpd packages.

For the detailed security status of lighttpd please refer to its security tracker page at: