SUSE CVE-2018-15855

Unchecked NULL pointer usage in xkbcommon before 0.8.1 could be used by local attackers to crash NULL pointer dereference the xkbcommon parser by supplying a crafted keymap file, because the XkbFile for an xkbgeometry section was mishandled...

SUSE CVE-2018-15854

Unchecked NULL pointer usage in xkbcommon before 0.8.1 could be used by local attackers to crash NULL pointer dereference the xkbcommon parser by supplying a crafted keymap file, because geometry tokens were desupported incorrectly...

SUSE CVE-2018-15856

An infinite loop when reaching EOL unexpectedly in compose/parser.c aka the keymap parser in xkbcommon before 0.8.1 could be used by local attackers to cause a denial of service during parsing of crafted keymap files...

SUSE CVE-2018-15859

Unchecked NULL pointer usage when parsing invalid atoms in ExprResolveLhs in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash NULL pointer dereference the xkbcommon parser by supplying a crafted keymap file, because lookup failures are mishandled...

SUSE CVE-2018-15857

An invalid free in ExprAppendMultiKeysymList in xkbcomp/ast-build.c in xkbcommon before 0.8.1 could be used by local attackers to crash xkbcommon keymap parsers or possibly have unspecified other impact by supplying a crafted keymap file...

SUSE CVE-2018-15858

Unchecked NULL pointer usage when handling invalid aliases in CopyKeyAliasesToKeymap in xkbcomp/keycodes.c in xkbcommon before 0.8.1 could be used by local attackers to crash NULL pointer dereference the xkbcommon parser by supplying a crafted keymap file...

SUSE CVE-2018-15861

Unchecked NULL pointer usage in ExprResolveLhs in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash NULL pointer dereference the xkbcommon parser by supplying a crafted keymap file that triggers an xkbinternatom failure...

SUSE CVE-2018-15864

Unchecked NULL pointer usage in resolvekeysym in xkbcomp/parser.y in xkbcommon before 0.8.2 could be used by local attackers to crash NULL pointer dereference the xkbcommon parser by supplying a crafted keymap file, because a map access attempt can occur for a map that was never created...

SUSE CVE-2018-15862

Unchecked NULL pointer usage in LookupModMask in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash NULL pointer dereference the xkbcommon parser by supplying a crafted keymap file with invalid virtual modifiers...

SUSE CVE-2018-15863

Unchecked NULL pointer usage in ResolveStateAndPredicate in xkbcomp/compat.c in xkbcommon before 0.8.2 could be used by local attackers to crash NULL pointer dereference the xkbcommon parser by supplying a crafted keymap file with a no-op modmask expression...

Advisory ROSA-SA-2021-1904

Software: libxkbcommon 0.7.1 OS: Cobalt 7.9 CVE-ID: CVE-2018-15858 CVE-Crit: MEDIUM CVE-DESC: Unchecked use of NULL pointer when handling invalid aliases in CopyKeyAliasesToKeymap in xkbcomp / keycodes.c in xkbcommon before 0.8.1 could be used by local attackers to crash dereference NULL pointer...

Medium: xorg-x11-server

Issue Overview: It was discovered that libX11 does not properly validate input coming from the server, causing XListExtensions and XGetFontPath functions to produce an invalid list of elements that in turn make XFreeExtensionsList and XFreeFontPath access invalid memory. An attacker who can eithe...

Amazon Linux 2 : xorg-x11-server (ALAS-2020-1433)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2020-1433 advisory. It was discovered that libX11 does not properly validate input coming from the server, causing XListExtensions and XGetFontPath functions to produce an invalid list of elements that in turn make...

EulerOS Virtualization for ARM 64 3.0.2.0 : libxkbcommon (EulerOS-SA-2020-1518)

According to the version of the libxkbcommon package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerability : - Unchecked NULL pointer usage when handling invalid aliases in CopyKeyAliasesToKeymap in xkbcomp/keycodes.c in...

Huawei EulerOS: Security Advisory for libxkbcommon (EulerOS-SA-2020-1518)

The remote host is missing an update for the Huawei EulerOS SPDX-FileCopyrightText: 2020 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

EulerOS Virtualization for ARM 64 3.0.2.0 : libxkbcommon (EulerOS-SA-2020-1246)

According to the versions of the libxkbcommon package installed, the EulerOS Virtualization for ARM 64 installation on the remote host is affected by the following vulnerabilities : - Endless recursion exists in xkbcomp/expr.c in xkbcommon and libxkbcommon before 0.8.1, which could be used by loc...

libxkbcommon: xkbcomp: NULL pointer dereference in ExprResolveLhs resulting in a crash

Unchecked NULL pointer usage in ExprResolveLhs in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash NULL pointer dereference the xkbcommon parser by supplying a crafted keymap file that triggers an xkbinternatom failure...

libxkbcommon: NULL pointer dereference in LookupModMask resulting in a crash

Unchecked NULL pointer usage in LookupModMask in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash NULL pointer dereference the xkbcommon parser by supplying a crafted keymap file with invalid virtual modifiers...

libxkbcommon: xkbcomp: NULL pointer dereference in ResolveStateAndPredicate resulting in a crash

Unchecked NULL pointer usage in ResolveStateAndPredicate in xkbcomp/compat.c in xkbcommon before 0.8.2 could be used by local attackers to crash NULL pointer dereference the xkbcommon parser by supplying a crafted keymap file with a no-op modmask expression...

libxkbcommon: xkbcomp: NULL pointer dereference when parsing invalid atoms in ExprResolveLhs resulting in a crash

Unchecked NULL pointer usage when parsing invalid atoms in ExprResolveLhs in xkbcomp/expr.c in xkbcommon before 0.8.2 could be used by local attackers to crash NULL pointer dereference the xkbcommon parser by supplying a crafted keymap file, because lookup failures are mishandled...