CVE-2013-4560

Severity: medium (CVSS 5.0 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 5.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-11-20 · updated 2026-06-16
Weakness: CWE-416

Description

Use-after-free vulnerability in lighttpd before 1.4.33 allows remote attackers to cause a denial of service (segmentation fault and crash) via unspecified vectors that trigger FAMMonitorDirectory failures.

Affected products

Debian Linux: 6.0, 7.0, 8.0
lighttpd: before 1.4.33 — fixed in 1.4.33
Opensuse: 12.2, 12.3, 13.1

How to fix

Upgrade to a fixed version: lighttpd 1.4.33. Check the vendor advisory for mitigations.

References

http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2013_03.txt
http://jvn.jp/en/jp/JVN37417423/index.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00049.html
http://marc.info/?l=bugtraq&m=141576815022399&w=2
http://secunia.com/advisories/55682
http://www.openwall.com/lists/oss-security/2013/11/12/4
https://www.debian.org/security/2013/dsa-2795
http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2013_03.txt
http://jvn.jp/en/jp/JVN37417423/index.html
http://lists.opensuse.org/opensuse-updates/2014-01/msg00049.html
http://marc.info/?l=bugtraq&m=141576815022399&w=2
http://secunia.com/advisories/55682

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