CVE-2007-6122

CVE-2007-6122 is a medium-severity vulnerability in Irc Services with a CVSS 2.0 base score of 5.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

• Severity: Medium (CVSS 2.0 base score 5.0)
• EPSS exploit prediction: 2% (79th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-20
• Affected product: Irc Services
• Published: 2007-11-26
• Last modified: 2026-06-16

Description

The default_encrypt function in encrypt.c in IRC Services before 5.0.63, and 5.1.x before 5.1.7, allows remote attackers to cause a denial of service (daemon crash) via a long password. NOTE: some of these details are obtained from third party information.

Frequently asked questions

What is CVE-2007-6122?

The default_encrypt function in encrypt.c in IRC Services before 5.0.63, and 5.1.x before 5.1.7, allows remote attackers to cause a denial of service (daemon crash) via a long password. NOTE: some of these details are obtained from third party information.

How severe is CVE-2007-6122?

CVE-2007-6122 has a CVSS 2.0 base score of 5.0, rated medium severity.

Is CVE-2007-6122 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (79th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2007-6122?

CVE-2007-6122 affects Irc Services. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2007-6122?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2007-6122 published?

CVE-2007-6122 was published on 2007-11-26 and last updated on 2026-06-16.

References

• http://bugs.gentoo.org/show_bug.cgi?id=199897
• http://lists.ircservices.za.net/pipermail/ircservices/2007/005558.html
• http://lists.ircservices.za.net/pipermail/ircservices/2007/005564.html
• http://secunia.com/advisories/27761
• http://secunia.com/advisories/28090
• http://security.gentoo.org/glsa/glsa-200712-12.xml
• http://www.ircservices.za.net/Changes.txt
• http://www.securityfocus.com/bid/26517
• http://www.vupen.com/english/advisories/2007/3959
• https://exchange.xforce.ibmcloud.com/vulnerabilities/38591

Affected products (1)

• cpe:2.3:a:irc_services:irc_services:*:*:*:*:*:*:*:*

More vulnerabilities in Irc Services

• CVE-2007-6123 — Critical (CVSS 10.0): Unspecified vulnerability in IRC Services 5.1.8 has unknown impact and attack vectors.
• CVE-2007-3245 — Medium (CVSS 5.0): IRC Services before 5.0.62, and 5.1 before 5.1pre3, allows remote attackers to disconnect users with guest nicknames by…
• CVE-2007-3246 — Medium (CVSS 5.0): The do_set_password function in modules/chanserv/set.c in IRC Services before 5.0.60 preserves channel founder…

All CVEs affecting Irc Services →

Other CWE-20 (Improper Input Validation) vulnerabilities

• CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
• CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
• CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
• CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
• CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
• CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →