CVE-2012-6687
FastCGI (aka fcgi and libfcgi) 2.4.0 allows remote attackers to cause a denial of service (segmentation fault and crash) via a large number of connections.
02 Description
FastCGI (aka fcgi and libfcgi) 2.4.0 allows remote attackers to cause a denial of service (segmentation fault and crash) via a large number of connections.
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
- 6.08% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 93.2% 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
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
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
- 2015-02-19 15:00Z11 YR AGO
- Last updated
- 2024-08-06 21:36Z2 YR AGO
- Reserved
- 2015-02-07
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- CWE-20Improper Input ValidationClass
- Data version
- 5.1
- Document digest
- 001cfb630ab739f7f2c08ce9e3836fc3a9bdfa08217496b991cbd1c99e559991
05 Affected products
06 References
- bugzilla.redhat.comhttps://bugzilla.redhat.com/show_bug.cgi?id=1189958
- bugs.launchpad.nethttps://bugs.launchpad.net/ubuntu/+source/libfcgi/+bug/933417
- advisories.mageia.orghttp://advisories.mageia.org/MGASA-2015-0184.html
- www.openwall.com[oss-security] 20150207 Re: CVE request for denial-of-service vulnerability in fcgihttp://www.openwall.com/lists/oss-security/2015/02/07/4
- exchange.xforce.ibmcloud.comlibfcgi-connections-dos(100696)https://exchange.xforce.ibmcloud.com/vulnerabilities/100696
- bugs.debian.orghttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=681591
- www.openwall.com[oss-security] 20150206 CVE request for denial-of-service vulnerability in fcgihttp://www.openwall.com/lists/oss-security/2015/02/06/4
07 Fixed in
Debian 12
- libfcgi Fixed in 2.4.0-8.3
- libfcgi-perl Fixed in 0.78-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- libfcgi Fixed in 2.4.0-8.3
- libfcgi-perl Fixed in 0.78-2
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 14
- libfcgi Fixed in 2.4.0-8.3
- libfcgi-perl Fixed in 0.78-2
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.