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x.org xserver vulnerabilities

6 published CVES affecting x.org xserver, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).

Total
6
Critical
0
High
3
Medium
3
Low
0
Unscored
0
CISA KEV
0

Latest x.org xserver CVEs

Newest publication first

  1. HighCVSS 7.5 EPSS 5.1%

    Buffer overflow in (1) X.Org Xserver before 1.4.1, and (2) the libfont and libXfont libraries on some platforms including Sun Solaris, allows context-dependent attackers to execute arbitrary code via a PCF font with a large difference between the last col and first col values in...

  2. HighCVSS 9.3 EPSS 2.5%

    Multiple integer overflows in X.Org Xserver before 1.4.1 allow context-dependent attackers to execute arbitrary code via (1) a GetVisualInfo request containing a 32-bit value that is improperly used to calculate an amount of memory for allocation by the EVI extension, or (2) a re...

  3. MediumCVSS 5.0 EPSS 1.7%

    The ProcGetReservedColormapEntries function in the TOG-CUP extension in X.Org Xserver before 1.4.1 allows context-dependent attackers to read the contents of arbitrary memory locations via a request containing a 32-bit value that is improperly used as an array index.

  4. MediumCVSS 5.0 EPSS 5.3%

    X.Org Xserver before 1.4.1 allows local users to determine the existence of arbitrary files via a filename argument in the -sp option to the X program, which produces different error messages depending on whether the filename exists.

  5. MediumCVSS 5.5 EPSS 4.4%

    The X render (Xrender) extension in X.org X Window System 7.0, 7.1, and 7.2, with Xserver 1.3.0 and earlier, allows remote authenticated users to cause a denial of service (daemon crash) via crafted values to the (1) XRenderCompositeTrapezoids and (2) XRenderAddTraps functions, w...

Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.