CVE-2010-0295

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 12.1% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2010-02-03 · updated 2026-06-16
Weakness: CWE-399

Description

lighttpd before 1.4.26, and 1.5.x, allocates a buffer for each read operation that occurs for a request, which allows remote attackers to cause a denial of service (memory consumption) by breaking a request into small pieces that are sent at a slow rate.

Affected products

lighttpd: through 1.4.25; 1.0.2, 1.0.3, 1.1.0, 1.1.1, 1.1.2, 1.1.3 (+55)

References

http://blogs.sun.com/security/entry/cve_2010_0295_vulnerability_in
http://download.lighttpd.net/lighttpd/security/lighttpd-1.4.x_fix_slow_request_dos.patch
http://download.lighttpd.net/lighttpd/security/lighttpd-1.5_fix_slow_request_dos.patch
http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2010_01.txt
http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041264.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041296.html
http://lists.fedoraproject.org/pipermail/package-announce/2010-May/041307.html
http://lists.opensuse.org/opensuse-security-announce/2010-02/msg00003.html
http://redmine.lighttpd.net/issues/2147
http://redmine.lighttpd.net/projects/lighttpd/repository/revisions/2710
http://redmine.lighttpd.net/projects/lighttpd/repository/revisions/2711
http://secunia.com/advisories/38403

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