CVE-2012-5533
The http_request_split_value function in request.c in lighttpd before 1.4.32 allows remote attackers to cause a denial of service (infinite loop) via a request with a header containing an empty token,
02 Description
The http_request_split_value function in request.c in lighttpd before 1.4.32 allows remote attackers to cause a denial of service (infinite loop) via a request with a header containing an empty token,
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 12.03% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 95.7% of scored records. A rank, not a probability.
- NVD base score
- The NVD has published no score for this record
- NVD CVSS vector
- No NVD score to derive
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-16.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2012-11-24 20:00Z13 YR AGO
- Last updated
- 2024-08-06 21:05Z2 YR AGO
- Reserved
- 2012-10-24
- Assigning CNA
- redhat
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- 656c145de6a1efba137de5f542badddc9f657bf99ee6ab82cde2eeaaf908c3b6
05 Affected products
06 References
- www.openwall.com[oss-security] 20121121 lighttpd 1.4.32 released, fixing CVE-2012-5533http://www.openwall.com/lists/oss-security/2012/11/21/1
- lists.opensuse.orgopenSUSE-SU-2012:1532http://lists.opensuse.org/opensuse-updates/2012-11/msg00044.html
- download.lighttpd.nethttp://download.lighttpd.net/lighttpd/security/lighttpd_sa_2012_01.txt
- www.exploit-db.com22902http://www.exploit-db.com/exploits/22902
- www.securitytracker.com1027802http://www.securitytracker.com/id?1027802
- download.lighttpd.nethttp://download.lighttpd.net/lighttpd/security/lighttpd-1.4.31_fix_connection_header_dos.patch
- packetstormsecurity.orghttp://packetstormsecurity.org/files/118282/Simple-Lighttpd-1.4.31-Denial-Of-Service.html
- secunia.com51268http://secunia.com/advisories/51268
- wiki.mageia.orghttps://wiki.mageia.org/en/Support/Advisories/MGASA-2012-0345
- osvdb.org87623http://osvdb.org/87623
- marc.infoHPSBGN03191http://marc.info/?l=bugtraq&m=141576815022399&w=2
- www.mandriva.comMDVSA-2013:100http://www.mandriva.com/security/advisories?name=MDVSA-2013:100
- exchange.xforce.ibmcloud.comlighttpd-httprequestsplitvalue-dos(80213)https://exchange.xforce.ibmcloud.com/vulnerabilities/80213
- secunia.com51298http://secunia.com/advisories/51298
- lists.opensuse.orgopenSUSE-SU-2014:0074http://lists.opensuse.org/opensuse-updates/2014-01/msg00051.html
- www.securityfocus.com56619http://www.securityfocus.com/bid/56619
07 Fixed in
Debian 12
- lighttpd Fixed in 1.4.31-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- lighttpd Fixed in 1.4.31-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- lighttpd Fixed in 1.4.31-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.