ircd-{hybrid,ratbox}: multiple vulnerabilities
Published Feb 4, 2010
6.8
MEDIUMCVSS 2.0
EPSS 4.03%
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, allows remote attackers to execute arbitrary code or cause a denial of service (daemon crash) via a LINKS command.
Affected products
No data.
Configuration 1
- 7.2.2
- 7.2.3
Configuration 2
- ≤ 2.2.8
- 1.0
- 1.1
- 1.1.1
- 1.1.2
- 1.2.1
- 1.2.2
- 1.2.3
- 1.3
- 1.3.1
- 1.3.2
- 1.4
- 1.4
- 1.4
- 1.4.1
- 1.4.2
- 1.5
- 1.5.1
- 1.5.2
- 1.5.3
- 2.0.0
- 2.0.1
- 2.0.2
- 2.0.3
- 2.0.4
- 2.0.5
- 2.0.6
- 2.0.7
- 2.0.8
- 2.0.9
- 2.0.10
- 2.0.11
- 2.1.0
- 2.1.0
- 2.1.0
- 2.1.1
- 2.1.2
- 2.1.3
- 2.1.4
- 2.1.5
- 2.1.6
- 2.1.7
- 2.1.8
- 2.2.0
- 2.2.0
- 2.2.0
- 2.2.0
- 2.2.1
- 2.2.2
- 2.2.3
- 2.2.4
- 2.2.5
- 2.2.6
- 2.2.7
Configuration 3
- ≤ 1.6.7
- 1.4.0
- 1.4.1
- 1.5.0
- 1.5.1
- 1.5.2
- 1.5.3
- 1.5.4
- 1.5.5
- 1.5.6
- 1.5.7
- 1.6.0
- 1.6.1
- 1.6.2
- 1.6.3
- 1.6.4
- 1.6.5
- 1.6.6
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (16 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 4.03% (0.04026) | 90.27th | v5 (v2026.06.15) |
| Jun 15, 2026 | 4.03% (0.04026) | 89.22th | v5 (v2026.06.15) |
| Mar 30, 2025 | 4.01% (0.04008) | 87.38th | v4 (v2025.03.14) |
| Mar 29, 2025 | 5.53% (0.05528) | 83.36th | v4 (v2025.03.14) |
| Mar 17, 2025 | 4.01% (0.04008) | 87.68th | v4 (v2025.03.14) |
| Dec 12, 2024 | 9.97% (0.09969) | 95.13th | v3 (v2023.03.01) |
| Sep 17, 2024 | 9.97% (0.09969) | 94.98th | v3 (v2023.03.01) |
| May 24, 2024 | 6.24% (0.06239) | 93.58th | v3 (v2023.03.01) |
| May 10, 2024 | 4.50% (0.04505) | 92.43th | v3 (v2023.03.01) |
| Apr 25, 2024 | 3.84% (0.03844) | 91.79th | v3 (v2023.03.01) |
| Mar 15, 2024 | 4.28% (0.04284) | 92.07th | v3 (v2023.03.01) |
| Feb 8, 2024 | 4.12% (0.04122) | 91.84th | v3 (v2023.03.01) |
| Mar 7, 2023 | 9.97% (0.09969) | 93.89th | v3 (v2023.03.01) |
| Mar 6, 2023 | 7.54% (0.07544) | 92.83th | v2 (v2022.01.01) |
| Apr 1, 2022 | 7.54% (0.07544) | 92.13th | v2 (v2022.01.01) |
| Feb 4, 2022 | 7.54% (0.07544) | 81.06th | v2 (v2022.01.01) |
References (14)
- http://lists.ratbox.org/pipermail/ircd-ratbox/2010-January/000891.html mailing-listx_refsource_MLIST
- http://secunia.com/advisories/38210 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/38381 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/38382 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/38383 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://security.debian.org/pool/updates/main/i/ircd-hybrid/ircd-hybrid_7.2.2.dfsg.2-4+lenny1.diff.gz x_refsource_CONFIRMPatch
- http://svn.ircd-hybrid.org:8000/viewcvs.cgi?rev=1044&view=rev x_refsource_CONFIRM
- http://trac.oftc.net/projects/oftc-hybrid/browser/tags/oftc-hybrid-1.6.8/RELNOTES x_refsource_CONFIRM
- http://www.debian.org/security/2010/dsa-1980 vendor-advisoryx_refsource_DEBIANPatch
- http://www.securityfocus.com/bid/37978 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2009-4016 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=559382 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2009-4016
- https://www.cve.org/CVERecord?id=CVE-2009-4016
Change history (0)
No recorded changes yet.