Xfree86 Project: >> X11r6 Security Vulnerabilities
Multiple integer overflows in the font libraries for XFree86 4.3.0 allow local or remote attackers to cause a denial of service or execute arbitrary code via heap-based and stack-based buffer overflow attacks.
CVSS Score
7.5
EPSS Score
0.057
Published
2003-10-20
Untrusted search path vulnerability in libX11.so in xfree86, when used in setuid or setgid programs, allows local users to gain root privileges via a modified LD_PRELOAD environment variable that points to a malicious module.
CVSS Score
7.2
EPSS Score
0.001
Published
2003-03-03
xdm, with the authComplain variable set to false, allows arbitrary attackers to connect to the X server if the xdm auth directory does not exist.
CVSS Score
10.0
EPSS Score
0.008
Published
2003-03-03
The xterm terminal emulator in XFree86 4.2.0 and earlier allows attackers to modify the window title via a certain character escape sequence and then insert it back to the command line in the user's terminal, e.g. when the user views a file containing the malicious sequence, which could allow the attacker to execute arbitrary commands.
CVSS Score
7.3
EPSS Score
0.011
Published
2003-03-03
The DEC UDK processing feature in the xterm terminal emulator in XFree86 4.2.99.4 and earlier allows attackers to cause a denial of service via a certain character escape sequence that causes the terminal to enter a tight loop.
CVSS Score
2.1
EPSS Score
0.001
Published
2003-03-03
Buffer overflow in Dispatch() routine for XFS font server (fs.auto) on Solaris 2.5.1 through 9 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via a certain XFS query.
CVSS Score
7.5
EPSS Score
0.322
Published
2002-12-11
Buffer overflow in fbglyph.c in XFree86 before 4.2.0, related to glyph clipping for large origins, allows attackers to cause a denial of service and possibly gain privileges via a large number of characters, possibly through the web page search form of KDE Konqueror or from an xterm command with a long title.
CVSS Score
7.2
EPSS Score
0.001
Published
2001-09-22
xman allows local users to gain privileges by modifying the MANPATH to point to a man page whose filename contains shell metacharacters.
CVSS Score
7.2
EPSS Score
0.001
Published
2001-07-17
Buffer overflow in xman allows local users to gain privileges via a long MANPATH environment variable.
CVSS Score
7.2
EPSS Score
0.002
Published
2001-07-11
XDM in XFree86 3.3 and 3.3.3 generates easily guessable cookies using gettimeofday() when compiled with the HasXdmXauth option, which allows remote attackers to gain unauthorized access to the X display via a brute force attack.
CVSS Score
7.5
EPSS Score
0.032
Published
2001-07-04