CVE-2016-7949
published 2016-12-13CVE-2016-7949: Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X.org libXrender before 0.9.10 allow remote X servers to trigger…
PriorityP347critical9.8CVSS 3.0
AVNACLPRNUINSUCHIHAH
EPSS
3.72%
88.6th percentile
Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X.org libXrender before 0.9.10 allow remote X servers to trigger out-of-bounds write operations via vectors involving length fields.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | libxrender | < libxrender 1:0.9.10-1 (bookworm) | libxrender 1:0.9.10-1 (bookworm) |
| fedoraproject | fedora | — | — |
| fedoraproject | fedora | — | — |
| x.org | libxrender | <= 0.9.9 | — |
| x.org | libxrender | >= 0 < 1:0.9.10-1 | 1:0.9.10-1 |
| x.org | libxrender | >= 0 < 1:0.9.10-1 | 1:0.9.10-1 |
| x.org | libxrender | >= 0 < 1:0.9.10-1 | 1:0.9.10-1 |
| x.org | libxrender | >= 0 < 1:0.9.10-1 | 1:0.9.10-1 |
| x.org | libxrender | >= 0 < 1:0.9.9-0ubuntu1+esm1 | 1:0.9.9-0ubuntu1+esm1 |
CVSS provenance
nvdv3.09.8CRITICALCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv9.8CRITICAL
vendor_debian9.8LOW
vendor_redhat9.8CRITICAL
vendor_ubuntu9.8CRITICAL
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Ubuntu
libXrender vulnerabilities
vendor_ubuntu·2022-05-23·CVSS 9.8
CVE-2016-7950 [CRITICAL] libXrender vulnerabilities
Title: libXrender vulnerabilities
Summary: Several security issues were fixed in libXrender.
Tobias Stoeckmann discovered that libXrender incorrectly handled certain
responses. An attacker could possibly use this issue to cause a denial
of service, or possibly execute arbitrary code.
(CVE-2016-7949, CVE-2016-7950)
Instructions: In general, a standard system update will make all the necessary changes.
Red Hat
libXrender: Insufficient validation of server responses results in overflow of previously reserved memory
vendor_redhat·2016-09-25·CVSS 9.8
CVE-2016-7949 [CRITICAL] libXrender: Insufficient validation of server responses results in overflow of previously reserved memory
libXrender: Insufficient validation of server responses results in overflow of previously reserved memory
Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X.org libXrender before 0.9.10 allow remote X servers to trigger out-of-bounds write operations via vectors involving length fields.
Package: libXrender (Red Hat Enterprise Linux 5) - Will not fix
Package: libXrender (Red Hat Enterprise Linux 6) - Will not fix
Package: libXrender (Red Hat Enterprise Linux 7) - Will not fix
Debian
CVE-2016-7949: libxrender - Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings fu...
vendor_debian·2016·CVSS 9.8
CVE-2016-7949 [CRITICAL] CVE-2016-7949: libxrender - Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings fu...
Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X.org libXrender before 0.9.10 allow remote X servers to trigger out-of-bounds write operations via vectors involving length fields.
Scope: local
bookworm: resolved (fixed in 1:0.9.10-1)
bullseye: resolved (fixed in 1:0.9.10-1)
forky: resolved (fixed in 1:0.9.10-1)
sid: resolved (fixed in 1:0.9.10-1)
trixie: resolved (fixed in 1:0.9.10-1)
OSV
libxrender vulnerabilities
osv·2022-05-23·CVSS 9.8
CVE-2016-7949 [CRITICAL] libxrender vulnerabilities
libxrender vulnerabilities
Tobias Stoeckmann discovered that libXrender incorrectly handled certain
responses. An attacker could possibly use this issue to cause a denial
of service, or possibly execute arbitrary code.
(CVE-2016-7949, CVE-2016-7950)
GHSA
GHSA-6hhj-qxqj-cvqh: Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X
ghsa_unreviewed·2022-05-17
CVE-2016-7949 [CRITICAL] CWE-20 GHSA-6hhj-qxqj-cvqh: Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X
Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X.org libXrender before 0.9.10 allow remote X servers to trigger out-of-bounds write operations via vectors involving length fields.
OSV
CVE-2016-7949: Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X
osv·2016-12-13·CVSS 9.8
CVE-2016-7949 [CRITICAL] CVE-2016-7949: Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X
Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X.org libXrender before 0.9.10 allow remote X servers to trigger out-of-bounds write operations via vectors involving length fields.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2016-7949 libXrender: Insufficient validation of server responses results in overflow of previously reserved memory
bugzilla·2016-10-05·CVSS 9.8
CVE-2016-7949 [CRITICAL] CVE-2016-7949 libXrender: Insufficient validation of server responses results in overflow of previously reserved memory
CVE-2016-7949 libXrender: Insufficient validation of server responses results in overflow of previously reserved memory
It was found that when receiving a response from the server protocol data is not validated sufficiently. Individual lengths inside received server data can overflow the previously reserved memory.
Upstream patch:
https://cgit.freedesktop.org/xorg/lib/libXrender/commit/?id=9362c7ddd1af3b168953d0737877bc52d79c94f4
External References:
https://lists.x.org/archives/xorg-announce/2016-October/002720.html
CVE assignment:
http://seclists.org/oss-sec/2016/q4/17
Discussion:
Created libXrender tracking bugs for this issue:
Affects: fedora-all [bug 1381930]
Bugzilla
CVE-2016-7949 CVE-2016-7950 libXrender: various flaws [fedora-all]
bugzilla·2016-10-05·CVSS 9.8
CVE-2016-7949 [CRITICAL] CVE-2016-7949 CVE-2016-7950 libXrender: various flaws [fedora-all]
CVE-2016-7949 CVE-2016-7950 libXrender: various flaws [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.
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 supported versions of Fedora. Whi
http://www.openwall.com/lists/oss-security/2016/10/04/2http://www.openwall.com/lists/oss-security/2016/10/04/4http://www.securityfocus.com/bid/93366http://www.securitytracker.com/id/1036945https://cgit.freedesktop.org/xorg/lib/libXrender/commit/?id=9362c7ddd1af3b168953d0737877bc52d79c94f4https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WCKZFMZ76APAVMIRCUKKHEB4GAS7ZUP/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZHUT5YOSWVMBJNWZGUQNZRBFIZKRM4A6/https://lists.x.org/archives/xorg-announce/2016-October/002720.htmlhttps://security.gentoo.org/glsa/201704-03http://www.openwall.com/lists/oss-security/2016/10/04/2http://www.openwall.com/lists/oss-security/2016/10/04/4http://www.securityfocus.com/bid/93366http://www.securitytracker.com/id/1036945https://cgit.freedesktop.org/xorg/lib/libXrender/commit/?id=9362c7ddd1af3b168953d0737877bc52d79c94f4https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7WCKZFMZ76APAVMIRCUKKHEB4GAS7ZUP/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZHUT5YOSWVMBJNWZGUQNZRBFIZKRM4A6/https://lists.x.org/archives/xorg-announce/2016-October/002720.htmlhttps://security.gentoo.org/glsa/201704-03
2016-12-13
Published