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Fencer Vulns
critical 9.8

CVE-2016-9634 json

Heap-based buffer overflow in the flx_decode_delta_fli function in gst/flx/gstflxdec.c in the FLIC decoder in GStreamer before 1.10.2 allow…

published 2017-01-27 9 y ago modified 2026-06-17 4 mo ago also EUVD-2016-10436

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
8.8%
EPSS 8.8% chance of exploitation in 30 days, percentile 95%
public exploits
0
none known

Summary

Heap-based buffer overflow in the flx_decode_delta_fli function in gst/flx/gstflxdec.c in the FLIC decoder in GStreamer before 1.10.2 allows remote attackers to execute arbitrary code or cause a denial of service (application crash) via the start_line parameter.

Patch / fix

  • gst-plugins-good1.0 Debian 14, Debian 13, Debian 12 1.10.1-2

debian advisories DEBIAN-CVE-2016-9634

  • gst-plugins-good1.0 Ubuntu 14.04 LTS 1.2.4-1~ubuntu1.1
  • gst-plugins-good1.0 Ubuntu 16.04 LTS 1.8.2-1ubuntu0.2
  • gst-plugins-good0.10 Ubuntu 14.04 LTS 0.10.31-3+nmu1ubuntu5.1
  • gst-plugins-good0.10 Ubuntu 16.04 LTS 0.10.31-3+nmu4ubuntu2.16.04.1

ubuntu advisories UBUNTU-CVE-2016-9634

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • gstreamer1-plugins-good RHEL 7 1.4.5-3.el7_3
  • gstreamer-plugins-good RHEL 7 0.10.31-12.el7_3
  • gstreamer-plugins-good RHEL 6 0.10.23-4.el6_8

red hat advisories RHSA-2017:0020RHSA-2017:0019RHSA-2016:2975

  • gstreamer-0_10-plugins-good SLED 12 SP1, SLE Workstation Extension 12 SP1 0.10.31-13.3.3
  • gstreamer-0_10-plugins-good SLES for SAP 11 SP4, SLES 11 SP4 0.10.30-5.14.1
  • gstreamer-0_10-plugins-good SLED 12 SP2, SLE Workstation Extension 12 SP2 0.10.31-16.1
  • gstreamer-plugins-good SLES for SAP 12 SP2, SLES for Raspberry Pi 12 SP2, SLES 12 SP2 +1 more 1.8.3-9.1
  • gstreamer-plugins-good SLES for SAP 12 SP1, SLES 12 SP1, SLED 12 SP1 1.2.4-2.3.1

suse advisories SUSE-SU-2017:0237-1SUSE-SU-2017:0225-1SUSE-SU-2017:0210-1SUSE-SU-2016:3303-1SUSE-SU-2016:3288-1

  • gst-plugins-good Alpine 3.24, Alpine 3.23, Alpine 3.22 +15 more 1.10.4-r0
  • gst-plugins-good1 Alpine 3.5, Alpine 3.4 1.8.3-r0
  • gst-plugins-good1 Alpine 3.6 1.10.4-r0

alpine advisories ALPINE-CVE-2016-9634

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2016-9634 updated cvss 7.5

gstreamer-plugins-good: Heap buffer overflow in FLIC decoder

  • Red Hat Enterprise Linux 5 gstreamer-plugins-good Red Hat Enterprise Virtualization 3 mingw-virt-viewer, mingw32-virt-viewer, mingw64-virt-viewer
    affected: workaround, no fix planned “Will not fix”
  • Red Hat Enterprise Linux Client (v. 7) gstreamer1-plugins-good 1.4.5-3.el7_3, gstreamer-plugins-good 0.10.31-12.el7_3 Red Hat Enterprise Linux Client Optional (v. 7) gstreamer-plugins-good-devel-docs 0.10.31-12.el7_3 Red Hat Enterprise Linux ComputeNode (v. 7) gstreamer-plugins-good 0.10.31-12.el7_3 Red Hat Enterprise Linux ComputeNode Optional (v. 7) gstreamer1-plugins-good 1.4.5-3.el7_3
    fixed: vendor fix RHSA-2017:0019
  • Red Hat Enterprise Linux Desktop (v. 6) gstreamer-plugins-good 0.10.23-4.el6_8 Red Hat Enterprise Linux Desktop Optional (v. 6) gstreamer-plugins-good-devel 0.10.23-4.el6_8, gstreamer-plugins-good-debuginfo 0.10.23-4.el6_8 Red Hat Enterprise Linux HPC Node Optional (v. 6) gstreamer-plugins-good 0.10.23-4.el6_8 Red Hat Enterprise Linux Server (v. 6) gstreamer-plugins-good 0.10.23-4.el6_8
    fixed: vendor fix RHSA-2016:2975
  • Red Hat Enterprise Linux Server (v. 7) gstreamer1-plugins-good 1.4.5-3.el7_3, gstreamer-plugins-good 0.10.31-12.el7_3
    fixed: vendor fix RHSA-2017:0019
  • Red Hat Enterprise Linux Server Optional (v. 6) gstreamer-plugins-good-devel 0.10.23-4.el6_8, gstreamer-plugins-good-debuginfo 0.10.23-4.el6_8
    fixed: vendor fix RHSA-2016:2975
  • Red Hat Enterprise Linux Server Optional (v. 7) gstreamer-plugins-good-devel-docs 0.10.31-12.el7_3
    fixed: vendor fix RHSA-2017:0019
  • Red Hat Enterprise Linux Workstation (v. 6) gstreamer-plugins-good 0.10.23-4.el6_8
    fixed: vendor fix RHSA-2016:2975
  • Red Hat Enterprise Linux Workstation (v. 7) gstreamer1-plugins-good 1.4.5-3.el7_3, gstreamer-plugins-good 0.10.31-12.el7_3
    fixed: vendor fix RHSA-2017:0019
show 2 more
  • Red Hat Enterprise Linux Workstation Optional (v. 6) gstreamer-plugins-good-devel 0.10.23-4.el6_8, gstreamer-plugins-good-debuginfo 0.10.23-4.el6_8
    fixed: vendor fix RHSA-2016:2975
  • Red Hat Enterprise Linux Workstation Optional (v. 7) gstreamer-plugins-good-devel-docs 0.10.31-12.el7_3
    fixed: vendor fix RHSA-2017:0019

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

8.84% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • scarybeastsecurity.blogspot.com https://scarybeastsecurity.blogspot.com/2016/11/0day-exploit-advancing-exploitation.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.