What’s Vulnerable › Vulnerabilities

CVE-2007-6427

• Severity: critical (CVSS 9.3 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2008-01-18 · updated 2026-06-16
• Weakness: CWE-787

Description

The XInput extension in X.Org Xserver before 1.4.1 allows context-dependent attackers to execute arbitrary code via requests related to byte swapping and heap corruption within multiple functions, a different vulnerability than CVE-2007-4990.

Affected products

• macOS: before 10.4.11; from 10.5.0 before 10.5.2 — fixed in 10.4.11, 10.5.2
• Canonical Ubuntu Linux: 6.06, 6.10, 7.04, 7.10
• Debian Linux: 3.1, 4.0
• Fedoraproject Fedora: 7, 8
• Opensuse: 10.2, 10.3
• SUSE Linux: 10.1
• SUSE Linux Enterprise Server 15 SP1: 9, 10, 10-sp1
• SUSE Linux Enterprise Server: 8, 9, 10-sp1
• SUSE Linux Enterprise Software Development Kit: 10-sp1
• SUSE Open Enterprise Server: all versions
• xorg-x11-server: before 1.4.1 — fixed in 1.4.1

How to fix

Upgrade to a fixed version: macOS 10.4.11, 10.5.2; xorg-x11-server 1.4.1. Check the vendor advisory for mitigations.

References

• http://bugs.gentoo.org/show_bug.cgi?id=204362
• http://docs.info.apple.com/article.html?artnum=307562
• http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01543321
• http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=643
• http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
• http://lists.freedesktop.org/archives/xorg/2008-January/031918.html
• http://lists.opensuse.org/opensuse-security-announce/2008-01/msg00004.html
• http://lists.opensuse.org/opensuse-security-announce/2008-02/msg00003.html
• http://lists.opensuse.org/opensuse-security-announce/2008-04/msg00005.html
• http://secunia.com/advisories/28273
• http://secunia.com/advisories/28532
• http://secunia.com/advisories/28535

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