CVE-2009-4016
Integer underflow in the clean_string function in irc_string.c in (1) IRCD-hybrid 7.2.2 and 7.2.3, (2) ircd-ratbox before 2.2.9, and (3) oftc-hybrid before 1.6.8, when flatten_links is disabled,
02 Description
Integer underflow in the clean_string function in irc_string.c in (1) IRCD-hybrid 7.2.2 and 7.2.3, (2) ircd-ratbox before 2.2.9, and (3) oftc-hybrid before 1.6.8, when flatten_links is disabled,
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
- 4.02% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 90.2% 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
- Critical. 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
- 2010-02-04 18:00Z16 YR AGO
- Last updated
- 2024-09-16 20:58Z2 YR AGO
- Reserved
- 2009-11-19
- Assigning CNA
- mitre
- 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
- ef5f586ff3c2f100106941635a8decd439903d33eda26be570de14aeac93fc8e
05 Affected products
06 References
- secunia.com38382http://secunia.com/advisories/38382
- secunia.com38381http://secunia.com/advisories/38381
- lists.ratbox.org[ircd-ratbox] 20100125 ircd-ratbox-2.2.9 releasedhttp://lists.ratbox.org/pipermail/ircd-ratbox/2010-January/000891.html
- www.debian.orgDSA-1980http://www.debian.org/security/2010/dsa-1980
- secunia.com38383http://secunia.com/advisories/38383
- trac.oftc.nethttp://trac.oftc.net/projects/oftc-hybrid/browser/tags/oftc-hybrid-1.6.8/RELNOTES
- www.securityfocus.com37978http://www.securityfocus.com/bid/37978
- svn.ircd-hybrid.org:8000http://svn.ircd-hybrid.org:8000/viewcvs.cgi?rev=1044&view=rev
- secunia.com38210http://secunia.com/advisories/38210
- security.debian.orghttp://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1.diff.gz
07 Fixed in
Debian 12
- ircd-hybrid Fixed in 1:7.2.2.dfsg.2-6.1
Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.
Debian 13
- ircd-hybrid Fixed in 1:7.2.2.dfsg.2-6.1
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.