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 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 51
The LZW decompressor in (1) the BufCompressedFill function in fontfile/decompress.c in X.Org libXfont before 1.4.4 and (2) compress/compress.c in 4.3BSD, as used in zopen.c in OpenBSD before 3.8, FreeBSD, NetBSD 4.0.x an…
CVSS 2.0HIGH 9.3· Network · No auth · Interaction — · EPSS 0.08355 · Published 2011-08-19 · Partial fix CWE-119
Priority MEDIUM 49
xrdb.c in xrdb before 1.0.9 in X.Org X11R7.6 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in a hostname obtained from a (1) DHCP or (2) XDMCP message.
CVSS 2.0HIGH 9.3· Network · No auth · Interaction — · EPSS 0.05781 · Published 2011-04-08 · Fixed CWE-20
Priority MEDIUM 49
Multiple integer overflows in the Render extension in the X server 1.4 in X.Org X11R7.3 allow context-dependent attackers to execute arbitrary code via a (1) SProcRenderCreateLinearGradient, (2) SProcRenderCreateRadialGr…
CVSS 2.0HIGH 10.0· Network · No auth · Interaction — · EPSS 0.03566 · Published 2008-06-16 · Fixed CWE-189
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 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 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 MEDIUM 45
Integer overflow in the AllocateGlyph function in the Render extension in the X server 1.4 in X.Org X11R7.3 allows context-dependent attackers to execute arbitrary code via unspecified request fields that are used to cal…
CVSS 2.0HIGH 9.0· Network · Low privileges · Interaction — · EPSS 0.03178 · Published 2008-06-16 · Fixed CWE-189
Priority MEDIUM 44
The (1) SProcRecordCreateContext and (2) SProcRecordRegisterClients functions in the Record extension and the (3) SProcSecurityGenerateAuthorization function in the Security extension in the X server 1.4 in X.Org X11R7.3…
CVSS 2.0HIGH 9.0· Network · Low privileges · Interaction — · EPSS 0.02699 · Published 2008-06-16 · Fixed CWE-189
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 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 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 MEDIUM 40
The fbComposite function in fbpict.c in the Render extension in the X server in X.Org X11R7.1 allows remote authenticated users to cause a denial of service (memory corruption and daemon crash) or possibly execute arbitr…
CVSS 2.0HIGH 7.1· Network · Low privileges · Interaction — · EPSS 0.05351 · Published 2010-04-29 · Fixed CWE-189
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 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 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 35
Integer overflow in X.org libxcb 1.9 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the read_packet function.
CVSS 2.0MEDIUM 6.8· Network · No auth · Interaction — · EPSS 0.02451 · Published 2013-06-15 · Fixed 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
Priority LOW 35
Buffer overflow in X.org libXvMC 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 XvMCGetDRInfo function.
CVSS 2.0MEDIUM 6.8· Network · No auth · Interaction — · EPSS 0.02331 · Published 2013-06-15 · Partial fix CWE-119
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