CVE-2006-4447
HIGH · CVSS 7.2EPSS 0.4%EU EUVD
X.Org and XFree86, including libX11, xdm, xf86dga, xinit, xload, xtrans, and xterm, does not check the return values for setuid and seteuid calls when attempting to drop privileges, which might allow local users to gain privileges by causing those calls to fail, such as by exceeding a ulimit.
Key facts
- CVSS score
- 7.2 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:L/AC:L/Au:N/C:C/I:C/A:C- EPSS score
- 0.4% (39th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2006-4435)
- Published
- August 30, 2006
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2006-4435 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- x.org / emu-linux-x87-xlibs
- x.org / x11r6
- x.org / x11r6
- x.org / x11r6
- x.org / x11r6
- x.org / x11r7
- x.org / x11r7
- x.org / x11r7
- x.org / xdm
- x.org / xf86dga
- x.org / xinit
- x.org / xload
- x.org / xorg-server
- x.org / xterm
References
- http://lists.freedesktop.org/archives/xorg/2006-June/016146.html(Patch)
- http://mail.gnome.org/archives/beast/2006-December/msg00025.html
- http://secunia.com/advisories/21650(Patch, Vendor Advisory)
- http://secunia.com/advisories/21660
- http://secunia.com/advisories/21693
- http://secunia.com/advisories/22332
- http://secunia.com/advisories/25032
- http://secunia.com/advisories/25059
- http://security.gentoo.org/glsa/glsa-200608-25.xml(Patch, Vendor Advisory)
- http://security.gentoo.org/glsa/glsa-200704-22.xml
- http://www.debian.org/security/2006/dsa-1193
- http://www.kb.cert.org/vuls/id/300368(US Government Resource)
- http://www.mandriva.com/security/advisories?name=MDKSA-2006:160
- http://www.securityfocus.com/bid/19742
- http://www.securityfocus.com/bid/23697
- http://www.vupen.com/english/advisories/2006/3409
- http://www.vupen.com/english/advisories/2007/0409
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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