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
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 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 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 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 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