CVE-2018-6942
published 2018-02-13CVE-2018-6942: An issue was discovered in FreeType 2 through 2.9. A NULL pointer dereference in the Ins_GETVARIATION() function within ttinterp.c could lead to DoS via a…
PriorityP427medium6.5CVSS 3.0
AVNACLPRNUIRSUCNINAH
EPSS
2.12%
79.8th percentile
An issue was discovered in FreeType 2 through 2.9. A NULL pointer dereference in the Ins_GETVARIATION() function within ttinterp.c could lead to DoS via a crafted font file.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| canonical | ubuntu_linux | — | — |
| debian | freetype | < freetype 2.9.1-3 (bookworm) | freetype 2.9.1-3 (bookworm) |
| freetype | freetype | <= 2.9 | — |
| freetype | freetype | >= 0 < 2.9.1-3 | 2.9.1-3 |
| freetype | freetype | >= 0 < 2.9.1-3 | 2.9.1-3 |
| freetype | freetype | >= 0 < 2.9.1-3 | 2.9.1-3 |
| freetype | freetype | >= 0 < 2.9.1-3 | 2.9.1-3 |
CVSS provenance
nvdv3.06.5MEDIUMCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
osv6.5MEDIUM
vendor_debian6.5MEDIUM
vendor_redhat6.5MEDIUM
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Ubuntu
FreeType vulnerability
vendor_ubuntu·2018-02-14
CVE-2018-6942 FreeType vulnerability
Title: FreeType vulnerability
Summary: FreeType could be made to crash if it opened a specially crafted file.
It was discovered that FreeType incorrectly handled certain files.
An attacker could possibly use this to cause a denial of service.
Instructions: After a standard system update you need to restart your session to make
all the necessary changes.
Red Hat
freetype: NULL pointer dereference in the Ins_GETVARIATION() function
vendor_redhat·2018-01-27·CVSS 6.5
CVE-2018-6942 [MEDIUM] CWE-476 freetype: NULL pointer dereference in the Ins_GETVARIATION() function
freetype: NULL pointer dereference in the Ins_GETVARIATION() function
An issue was discovered in FreeType 2 through 2.9. A NULL pointer dereference in the Ins_GETVARIATION() function within ttinterp.c could lead to DoS via a crafted font file.
Package: freetype (Red Hat Enterprise Linux 5) - Will not fix
Package: freetype (Red Hat Enterprise Linux 6) - Will not fix
Package: freetype (Red Hat Enterprise Linux 7) - Will not fix
Package: freetype (Red Hat Enterprise Linux 8) - Not affected
Debian
CVE-2018-6942: freetype - An issue was discovered in FreeType 2 through 2.9. A NULL pointer dereference in...
vendor_debian·2018·CVSS 6.5
CVE-2018-6942 [MEDIUM] CVE-2018-6942: freetype - An issue was discovered in FreeType 2 through 2.9. A NULL pointer dereference in...
An issue was discovered in FreeType 2 through 2.9. A NULL pointer dereference in the Ins_GETVARIATION() function within ttinterp.c could lead to DoS via a crafted font file.
Scope: local
bookworm: resolved (fixed in 2.9.1-3)
bullseye: resolved (fixed in 2.9.1-3)
forky: resolved (fixed in 2.9.1-3)
sid: resolved (fixed in 2.9.1-3)
trixie: resolved (fixed in 2.9.1-3)
GHSA
GHSA-pjfg-6mwr-j367: An issue was discovered in FreeType 2 through 2
ghsa_unreviewed·2022-05-13
CVE-2018-6942 [MEDIUM] CWE-476 GHSA-pjfg-6mwr-j367: An issue was discovered in FreeType 2 through 2
An issue was discovered in FreeType 2 through 2.9. A NULL pointer dereference in the Ins_GETVARIATION() function within ttinterp.c could lead to DoS via a crafted font file.
OSV
CVE-2018-6942: An issue was discovered in FreeType 2 through 2
osv·2018-02-13·CVSS 6.5
CVE-2018-6942 [MEDIUM] CVE-2018-6942: An issue was discovered in FreeType 2 through 2
An issue was discovered in FreeType 2 through 2.9. A NULL pointer dereference in the Ins_GETVARIATION() function within ttinterp.c could lead to DoS via a crafted font file.
No detection rules found.
No public exploits indexed.
Bugzilla
Cherry-pick recent security bug fixes from upstream FreeType, while waiting for a new release
bugzilla·2018-02-15·CVSS 6.5
CVE-2018-6942 [MEDIUM] Cherry-pick recent security bug fixes from upstream FreeType, while waiting for a new release
Cherry-pick recent security bug fixes from upstream FreeType, while waiting for a new release
We currently have FreeType 2.9 in the tree, plus one additional commit cherry-picked in bug 1434697 to fix an issue in variation font support (while awaiting a 2.9.1 release from upstream).
There are now a couple of other commits in upstream/master that we should take, in particular the fix for https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6942.
Three changesets address security issues (potential crashes or undefined behavior):
http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=29c759284e305ec428703c9a5831d0b1fc3497ef
http://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=68dddcdcbe18a08d778026efc01b1369e35cbf6a
http://git.savannah.gnu.org/cgit/freetype/fr
Bugzilla
CVE-2018-6942 freetype: NULL pointer dereference in the Ins_GETVARIATION() function [fedora-all]
bugzilla·2018-02-13·CVSS 6.5
CVE-2018-6942 [MEDIUM] CVE-2018-6942 freetype: NULL pointer dereference in the Ins_GETVARIATION() function [fedora-all]
CVE-2018-6942 freetype: NULL pointer dereference in the Ins_GETVARIATION() function [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple
Bugzilla
CVE-2018-6942 freetype: NULL pointer dereference in the Ins_GETVARIATION() function
bugzilla·2018-02-13·CVSS 6.5
CVE-2018-6942 [MEDIUM] CVE-2018-6942 freetype: NULL pointer dereference in the Ins_GETVARIATION() function
CVE-2018-6942 freetype: NULL pointer dereference in the Ins_GETVARIATION() function
An issue was discovered in FreeType 2 through 2.9. A NULL pointer dereference in the Ins_GETVARIATION() function within ttinterp.c could lead to DoS via a crafted font file.
Upstream patch:
https://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=29c759284e305ec428703c9a5831d0b1fc3497ef
Discussion:
Created freetype tracking bugs for this issue:
Affects: fedora-all [bug 1544776]
Bugzilla
CVE-2018-6942 freetype: NULL pointer dereference in the Ins_GETVARIATION() function [fedora-all]
bugzilla·2018-02-13·CVSS 6.5
CVE-2018-6942 [MEDIUM] CVE-2018-6942 freetype: NULL pointer dereference in the Ins_GETVARIATION() function [fedora-all]
CVE-2018-6942 freetype: NULL pointer dereference in the Ins_GETVARIATION() function [fedora-all]
This is an automatically created tracking bug! It was created to ensure
that one or more security vulnerabilities are fixed in affected versions
of fedora-all.
For comments that are specific to the vulnerability please use bugs filed
against the "Security Response" product referenced in the "Blocks" field.
For more information see:
http://fedoraproject.org/wiki/Security/TrackingBugs
When submitting as an update, use the fedpkg template provided in the next
comment(s). This will include the bug IDs of this tracking bug as well as
the relevant top-level CVE bugs.
Please also mention the CVE IDs being fixed in the RPM changelog and the
fedpkg commit message.
NOTE: this issue affects multiple
http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00054.htmlhttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5736https://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=29c759284e305ec428703c9a5831d0b1fc3497efhttps://usn.ubuntu.com/3572-1/https://www.oracle.com/security-alerts/cpuapr2020.htmlhttp://lists.opensuse.org/opensuse-security-announce/2020-05/msg00054.htmlhttps://bugs.chromium.org/p/oss-fuzz/issues/detail?id=5736https://git.savannah.gnu.org/cgit/freetype/freetype2.git/commit/?id=29c759284e305ec428703c9a5831d0b1fc3497efhttps://usn.ubuntu.com/3572-1/https://www.oracle.com/security-alerts/cpuapr2020.html
2018-02-13
Published