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xkbcommon vulnerabilities and exploits
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2.1
CVSSv2
CVE-2018-15862
Unchecked NULL pointer usage in LookupModMask in xkbcomp/expr.c in xkbcommon prior to 0.8.2 could be used by local malicious users to crash (NULL pointer dereference) the xkbcommon parser by supplying a crafted keymap file with invalid virtual modifiers.
Xkbcommon Xkbcommon
Xkbcommon Libxkbcommon
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 18.04
5
CVSSv2
CVE-2018-14598
An issue exists in XListExtensions in ListExt.c in libX11 up to and including 1.6.5. A malicious server can send a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault).
X.org Libx11
Debian Debian Linux 8.0
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 12.04
Canonical Ubuntu Linux 18.04
Fedoraproject Fedora 28
7.5
CVSSv2
CVE-2018-14599
An issue exists in libX11 up to and including 1.6.5. The function XListExtensions in ListExt.c is vulnerable to an off-by-one error caused by malicious server responses, leading to DoS or possibly unspecified other impact.
X.org Libx11
Debian Debian Linux 8.0
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 14.04
Canonical Ubuntu Linux 12.04
Canonical Ubuntu Linux 18.04
Fedoraproject Fedora 28
Redhat Enterprise Linux Desktop 7.0
Redhat Enterprise Linux Workstation 7.0
Redhat Enterprise Linux Server 7.0
7.5
CVSSv2
CVE-2018-14600
An issue exists in libX11 up to and including 1.6.5. The function XListExtensions in ListExt.c interprets a variable as signed instead of unsigned, resulting in an out-of-bounds write (of up to 128 bytes), leading to DoS or remote code execution.
X.org Libx11
Canonical Ubuntu Linux 16.04
Canonical Ubuntu Linux 12.04
Debian Debian Linux 8.0
Canonical Ubuntu Linux 18.04
Canonical Ubuntu Linux 14.04
CVSSv2
CVSSv2
CVSSv3
VMScore
Recommendations:
CVE-2024-3581
reflected XSS
CVE-2024-26925
CVE-2024-27956
LFI
CVE-2024-3607
CVE-2024-3107
CVE-2024-3295
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