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CVE-2018-16396

ruby: Tainted flags are not propagated in Array#pack and String#unpack with some directives

An issue was discovered in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3. It does not taint strings that result from unpacking tainted strings with some formats.

CVSS 3.0 · 8.1 High EPSS 8.0% KEV · Not listed
Vendors
Canonical Debian Redhat and 1 more
Products
Ubuntu Linux Debian Linux Enterprise Linux and 6 more
CVE-2018-16395

ruby: OpenSSL::X509:: Name equality check does not work correctly

An issue was discovered in the OpenSSL library in Ruby before 2.3.8, 2.4.x before 2.4.5, 2.5.x before 2.5.2, and 2.6.x before 2.6.0-preview3. When two OpenSSL::X509::Name objects are compared using ==, depending on the ordering, non-equal objects may return true. When the first argument is one character longer than the second, or the second argument contains a character that is one less than a character in the same position of the first argument, the result of == will be true. This could be leveraged to create an illegitimate certificate that may be accepted as legitimate and then used in signing or encryption operations.

CVSS 3.0 · 9.8 Critical EPSS 10.7% KEV · Not listed
Vendors
Canonical Debian Redhat and 1 more
Products
Ubuntu Linux Debian Linux Enterprise Linux and 4 more
CVE-2018-16336

exiv2: heap-based buffer over-read via a crafted image file

Exiv2::Internal::PngChunk::parseTXTChunk in Exiv2 v0.26 allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted image file, a different vulnerability than CVE-2018-10999.

CVSS 3.0 · 6.5 Medium EPSS 2.7% KEV · Not listed
Vendors
Canonical Debian Exiv2
Products
Ubuntu Linux Debian Linux Exiv2
CVE-2018-16323

ImageMagick: Information leak in ReadXBMImage in coders/xbm.c

ReadXBMImage in coders/xbm.c in ImageMagick before 7.0.8-9 leaves data uninitialized when processing an XBM file that has a negative pixel value. If the affected code is used as a library loaded into a process that includes sensitive information, that information sometimes can be leaked via the image data.

CVSS 3.1 · 6.5 Medium EPSS 48.9% KEV · Not listed
Vendors
Canonical Imagemagick
Products
Ubuntu Linux Imagemagick
CVE-2018-16276

kernel: incorrect bounds checking in yurex_read in drivers/usb/misc/yurex.c

An issue was discovered in yurex_read in drivers/usb/misc/yurex.c in the Linux kernel before 4.17.7. Local attackers could use user access read/writes with incorrect bounds checking in the yurex USB driver to crash the kernel or potentially escalate privileges.

CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Canonical Debian Linux
Products
Ubuntu Linux Debian Linux Linux Kernel
CVE-2018-16140

transfig: Buffer underwrite in read.c:get_line() via crafted FIG file

A buffer underwrite vulnerability in get_line() (read.c) in fig2dev 3.2.7a allows an attacker to write prior to the beginning of the buffer via a crafted .fig file.

CVSS 3.0 · 7.8 High EPSS 1.4% KEV · Not listed
Vendors
Canonical Fig2dev Project
Products
Ubuntu Linux Fig2dev
CVE-2018-16062

elfutils: Heap-based buffer over-read in libdw/dwarf_getaranges.c:dwarf_getaranges() via crafted file

dwarf_getaranges in dwarf_getaranges.c in libdw in elfutils before 2018-08-18 allows remote attackers to cause a denial of service (heap-based buffer over-read) via a crafted file.

CVSS 3.1 · 5.5 Medium EPSS 1.6% KEV · Not listed
Vendors
Canonical Debian Elfutils Project and 2 more
Products
Ubuntu Linux Debian Linux Elfutils and 6 more
CVE-2018-15911

ghostscript: Uninitialized memory access in the aesdecode operator (699665)

In Artifex Ghostscript 9.23 before 2018-08-24, attackers able to supply crafted PostScript could use uninitialized memory access in the aesdecode operator to crash the interpreter or potentially execute code.

CVSS 3.0 · 7.8 High EPSS 3.0% KEV · Not listed
Vendors
Artifex Canonical Debian and 2 more
Products
Ghostscript Gpl Ghostscript Ubuntu Linux and 9 more
CVE-2018-15910

ghostscript: LockDistillerParams type confusion (699656)

In Artifex Ghostscript before 9.24, attackers able to supply crafted PostScript files could use a type confusion in the LockDistillerParams parameter to crash the interpreter or execute code.

CVSS 3.0 · 7.8 High EPSS 3.0% KEV · Not listed
Vendors
Artifex Canonical Debian and 2 more
Products
Ghostscript Gpl Ghostscript Ubuntu Linux and 7 more
CVE-2018-15909

ghostscript: shading_param incomplete type checking (699660)

In Artifex Ghostscript 9.23 before 2018-08-24, a type confusion using the .shfill operator could be used by attackers able to supply crafted PostScript files to crash the interpreter or potentially execute code.

CVSS 3.0 · 7.8 High EPSS 3.0% KEV · Not listed
Vendors
Artifex Canonical Debian and 2 more
Products
Ghostscript Gpl Ghostscript Ubuntu Linux and 9 more
CVE-2018-15908

ghostscript: .tempfile file permission issues (699657)

In Artifex Ghostscript 9.23 before 2018-08-23, attackers are able to supply malicious PostScript files to bypass .tempfile restrictions and write files.

CVSS 3.0 · 7.8 High EPSS 1.9% KEV · Not listed
Vendors
Artifex Canonical Debian and 1 more
Products
Ghostscript Ubuntu Linux Debian Linux and 6 more
CVE-2018-15864

libxkbcommon: NULL pointer dereference in resolve_keysym resulting in a crash

Unchecked NULL pointer usage in resolve_keysym 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.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Redhat Xkbcommon
Products
Ubuntu Linux Enterprise Linux Libxkbcommon and 1 more
CVE-2018-15863

libxkbcommon: 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.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Redhat Xkbcommon
Products
Ubuntu Linux Enterprise Linux Libxkbcommon and 1 more
CVE-2018-15862

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.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Redhat Xkbcommon
Products
Ubuntu Linux Enterprise Linux Libxkbcommon and 1 more
CVE-2018-15861

libxkbcommon: 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 xkb_intern_atom failure.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Redhat Xkbcommon
Products
Ubuntu Linux Enterprise Linux Libxkbcommon and 1 more
CVE-2018-15859

libxkbcommon: 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.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Redhat Xkbcommon
Products
Ubuntu Linux Enterprise Linux Libxkbcommon and 1 more
CVE-2018-15858

libxkbcommon: NULL pointer dereference when handling invalid aliases in CopyKeyAliasesToKeymap resulting in a crash

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.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Xkbcommon
Products
Ubuntu Linux Libxkbcommon Xkbcommon
CVE-2018-15857

libxkbcommon: Invalid free in ExprAppendMultiKeysymList resulting in a crash

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.

CVSS 3.0 · 7.8 High EPSS < 1% KEV · Not listed
Vendors
Canonical Redhat Xkbcommon
Products
Ubuntu Linux Enterprise Linux Libxkbcommon and 1 more
CVE-2018-15856

libxkbcommon: Infinite loop when reaching EOL unexpectedly resulting in a crash

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.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Redhat Xkbcommon
Products
Ubuntu Linux Enterprise Linux Xkbcommon
CVE-2018-15855

libxkbcommon: NULL pointer dereference when handling xkb_geometry

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 xkb_geometry section was mishandled.

CVSS 3.0 · 5.5 Medium EPSS < 1% KEV · Not listed
Vendors
Canonical Redhat Xkbcommon Project
Products
Ubuntu Linux Enterprise Linux Xkbcommon