Priority MEDIUM 40
A heap buffer overflow due to missing size checking in the property buffer when parsing PCF files in libXfont2 ComputeScaledProperties() before libXfont2 before 2.0.8 could be used by attackers using authenticated X clie…
CVSS 3.1HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.004 · Published 2026-07-08 · Fixed in 2.0.8 CWE-122
Priority MEDIUM 40
A heap bufferflow in pcfReadFont() due to missing glyph bounds checking in libXfont2 before 2.0.8 allows attackers authenticated as X client to execute code within the X server.
CVSS 3.1HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.00428 · Published 2026-07-08 · Fixed in 2.0.8 CWE-122
Priority MEDIUM 40
A heap buffer overflow in BitmapScaleBitmaps in libXfont2 before 2.0.8 due to an overflowing 32bit size could be used by attackers able to access the X Server to execute code within the X server cont
CVSS 3.1HIGH 8.8· Network · Low privileges · No interaction · EPSS 0.00392 · Published 2026-07-08 · Fixed in 2.0.8 CWE-122
Priority MEDIUM 51
_XcursorThemeInherits in library.c in libXcursor before 1.1.15 allows remote attackers to cause denial of service or potentially code execution via a one-byte heap overflow.
CVSS 3.0CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.05677 · Published 2018-08-01 · Partial fix CWE-119
Priority MEDIUM 41
libXcursor before 1.1.15 has various integer overflows that could lead to heap buffer overflows when processing malicious cursors, e.g., with programs like GIMP.
CVSS 3.0HIGH 7.5· Network · No auth · No interaction · EPSS 0.05173 · Published 2017-12-01 · Will not fix CWE-190
Priority LOW 25
In libXfont before 1.5.4 and libXfont2 before 2.0.3, a local attacker can open (but not read) files on the system as root, triggering tape rewinds, watchdogs, or similar mechanisms that can be triggered by opening files.
CVSS 3.1MEDIUM 5.5· Local · Low privileges · No interaction · EPSS 0.0042 · Published 2017-12-01 · Will not fix CWE-59
Priority MEDIUM 46
A single byte overflow in catalogue.c in X.Org libXfont 1.3.1 allows remote attackers to have unspecified impact.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02211 · Published 2017-08-18 · No fix listed CWE-119
Priority MEDIUM 47
Multiple integer overflows in X.org libXtst before 1.2.3 allow remote X servers to trigger out-of-bounds memory access operations by leveraging the lack of range checks.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.02435 · Published 2016-12-13 · Will not fix CWE-125
Priority MEDIUM 45
The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly perform type conversion for metrics values, which allows remote authenticated users to cause a de…
CVSS 2.0HIGH 8.5· Network · Low privileges · Interaction — · EPSS 0.04945 · Published 2015-03-20 · Partial fix CWE-189
Priority MEDIUM 45
The bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 does not properly handle character bitmaps it cannot read, which allows remote authenticated users to cause a denia…
CVSS 2.0HIGH 8.5· Network · Low privileges · Interaction — · EPSS 0.04886 · Published 2015-03-20 · Partial fix
Priority MEDIUM 45
The bdfReadProperties function in bitmap/bdfread.c in X.Org libXfont before 1.4.9 and 1.5.x before 1.5.1 allows remote authenticated users to cause a denial of service (out-of-bounds write and crash) or possibly execute…
CVSS 2.0HIGH 8.5· Network · Low privileges · Interaction — · EPSS 0.04886 · Published 2015-03-20 · Partial fix CWE-119
Priority LOW 23
Directory traversal vulnerability in tools/backlight_helper.c in X.Org xf86-video-intel 2.99.911 allows remote attackers to create or overwrite arbitrary files via a ..
CVSS 2.0MEDIUM 4.6· Local · No auth · Interaction — · EPSS 0.00975 · Published 2014-07-24 · No fix listed CWE-22
Priority MEDIUM 40
Multiple integer overflows in the (1) fs_get_reply, (2) fs_alloc_glyphs, and (3) fs_read_extent_info functions in X.Org libXfont before 1.4.8 and 1.4.9x before 1.4.99.901 allow remote font servers to execute arbitrary co…
CVSS 2.0HIGH 7.5· Network · No auth · Interaction — · EPSS 0.04362 · Published 2014-05-15 · Fixed CWE-189
Priority MEDIUM 40
Multiple buffer overflows in X.Org libXfont before 1.4.8 and 1.4.9x before 1.4.99.901 allow remote font servers to execute arbitrary code via a crafted xfs protocol reply to the (1) _fs_recv_conn_setup, (2) fs_read_open_…
CVSS 2.0HIGH 7.5· Network · No auth · Interaction — · EPSS 0.0458 · Published 2014-05-15 · Fixed CWE-119
Priority LOW 22
Multiple integer overflows in the (1) FontFileAddEntry and (2) lexAlias functions in X.Org libXfont before 1.4.8 and 1.4.9x before 1.4.99.901 might allow local users to gain privileges by adding a directory with a large…
CVSS 2.0MEDIUM 4.6· Local · No auth · Interaction — · EPSS 0.00444 · Published 2014-05-15 · Fixed CWE-189
Priority LOW 21
xkeyboard-config before 2.5 in X.Org before 7.6 enables certain XKB debugging functions by default, which allows physically proximate attackers to bypass an X screen lock via keyboard combinations that break the input gr…
CVSS 2.0MEDIUM 4.6· Local · No auth · Interaction — · EPSS 0.0039 · Published 2014-02-10 · No fix listed CWE-264
Priority MEDIUM 53
Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont 1.1 through 1.4.6 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a…
CVSS 2.0HIGH 9.3· Network · No auth · Interaction — · EPSS 0.10254 · Published 2014-01-09 · Fixed CWE-119
Priority LOW 25
X.Org xdm 1.1.10, 1.1.11, and possibly other versions, when performing authentication using certain implementations of the crypt API function that can return NULL, allows remote attackers to cause a denial of service (NU…
CVSS 2.0MEDIUM 4.3· Network · No auth · Interaction — · EPSS 0.02437 · Published 2013-12-27 · No fix listed CWE-310
Priority LOW 36
Use-after-free vulnerability in the doImageText function in dix/dixfonts.c in the xorg-server module before 1.14.4 in X.Org X11 allows remote authenticated users to cause a denial of service (daemon crash) or possibly ex…
CVSS 2.0MEDIUM 6.5· Network · Low privileges · Interaction — · EPSS 0.04077 · Published 2013-10-10 · Fixed CWE-399
Priority LOW 35
Buffer overflow in X.org libXv 1.0.7 and earlier allows X servers to cause a denial of service (crash) and possibly execute arbitrary code via crafted length or index values to the XvQueryPortAttributes function.
CVSS 2.0MEDIUM 6.8· Network · No auth · Interaction — · EPSS 0.02331 · Published 2013-06-15 · Partial fix CWE-119
Priority LOW 34
X.org libXt 1.1.3 and earlier does not check the return value of the XGetWindowProperty function, which allows X servers to trigger use of an uninitialized pointer and memory corruption via vectors related to the (1) Req…
CVSS 2.0MEDIUM 6.8· Network · No auth · Interaction — · EPSS 0.02084 · Published 2013-06-15 · Partial fix CWE-119
Priority LOW 33
The (1) GetDatabase and (2) _XimParseStringFile functions in X.org libX11 1.5.99.901 (1.6 RC1) and earlier do not restrict the recursion depth when processing directives to include files, which allows X servers to cause…
CVSS 2.0MEDIUM 6.8· Network · No auth · Interaction — · EPSS 0.01576 · Published 2013-06-15 · Partial fix CWE-119
Priority LOW 34
Integer overflow in X.org libXcursor 1.1.13 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the _XcursorFileHeaderCreate function.
CVSS 2.0MEDIUM 6.8· Network · No auth · Interaction — · EPSS 0.02127 · Published 2013-06-15 · Partial fix CWE-189
Priority LOW 36
Buffer overflow in X.org libXt 1.1.3 and earlier allows X servers to cause a denial of service (crash) and possibly execute arbitrary code via crafted length or index values to the _XtResourceConfigurationEH function.
CVSS 2.0MEDIUM 6.8· Network · No auth · Interaction — · EPSS 0.03082 · Published 2013-06-15 · Partial fix CWE-189
Priority LOW 35
Buffer overflow in X.org libXxf86vm 1.1.2 and earlier allows X servers to cause a denial of service (crash) and possibly execute arbitrary code via crafted length or index values to the XF86VidModeGetGammaRamp function.
CVSS 2.0MEDIUM 6.8· Network · No auth · Interaction — · EPSS 0.02732 · Published 2013-06-15 · Partial fix CWE-119
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