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Fencer Vulns
high 8.8

CVE-2016-1935 json

Buffer overflow in the BufferSubData function in Mozilla Firefox before 44.0 and Firefox ESR 38.x before 38.6 allows remote attackers to ex…

published 2016-01-31 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-3024

cvss
8.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.1%
EPSS 5.1% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Buffer overflow in the BufferSubData function in Mozilla Firefox before 44.0 and Firefox ESR 38.x before 38.6 allows remote attackers to execute arbitrary code via crafted WebGL content.

Patch / fix

  • firefox Ubuntu 14.04 LTS 44.0+build3-0ubuntu0.14.04.1
  • thunderbird Ubuntu 14.04 LTS 1:38.6.0+build1-0ubuntu0.14.04.1

ubuntu advisories UBUNTU-CVE-2016-1935

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

  • thunderbird RHEL 5 PRODUCTIVITY, RHEL 5 38.6.0-1.el5_11
  • thunderbird RHEL 6 38.6.0-1.el6_7
  • thunderbird RHEL 7 38.6.0-1.el7_2
  • firefox RHEL 5 38.6.0-1.el5_11
  • firefox RHEL 6 38.6.0-1.el6_7
  • firefox RHEL 7 38.6.0-1.el7_2

red hat advisories RHSA-2016:0258RHSA-2016:0071

  • mozilla-nss SLES for SAP 11 SP4, SLES for SAP 11 SP3, SLES 11 SP4 +6 more 3.20.2-25.2
  • MozillaFirefox SLES for SAP 11 SP4, SLES for SAP 11 SP3, SLES 11 SP4 +6 more 38.6.0esr-31.3
  • MozillaFirefox-branding-SLED SLES for SAP 11 SP4, SLES for SAP 11 SP3, SLES 11 SP4 +4 more 38-18.24
  • mozilla-nss SLES for SAP 12 SP1, SLES for SAP 12, SLES 12 SP1 +5 more 3.20.2-37.1
  • MozillaFirefox SLES for SAP 12 SP1, SLES for SAP 12, SLES 12 SP1 +5 more 38.6.0esr-57.3
  • MozillaFirefox-branding-SLE SLES for SAP 12 SP1, SLES for SAP 12, SLES 12 SP1 +3 more 31.0-20.1
  • mozilla-nss SLES 11 SP2-LTSS 3.20.2-17.5
  • MozillaFirefox SLES 11 SP2-LTSS 38.6.1esr-33.1

suse advisories SUSE-SU-2016:0584-1SUSE-SU-2016:0334-1SUSE-SU-2016:0338-1

  • firefox-esr openSUSE Tumbleweed 128.5.1-1.1
  • MozillaFirefox openSUSE Tumbleweed 50.1.0-1.1
  • MozillaThunderbird openSUSE Tumbleweed 45.5.1-1.1

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10071-1openSUSE-SU-2024:10230-1

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-2016-1935 updated cvss 6.8

Mozilla: Buffer overflow in WebGL after out of memory allocation (MFSA 2016-03)

  • Red Hat Enterprise Linux (v. 5 server) firefox 38.6.0-1.el5_11 Red Hat Enterprise Linux Client (v. 7) firefox 38.6.0-1.el7_2, thunderbird 38.6.0-1.el7_2 Red Hat Enterprise Linux Client Optional (v. 7) firefox 38.6.0-1.el7_2 Red Hat Enterprise Linux Desktop (v. 5 client) firefox 38.6.0-1.el5_11, thunderbird 38.6.0-1.el5_11 Red Hat Enterprise Linux Desktop (v. 6) firefox 38.6.0-1.el6_7, thunderbird 38.6.0-1.el6_7 Red Hat Enterprise Linux Desktop Optional (v. 6) firefox 38.6.0-1.el6_7
    +1 more products
    Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 38.6.0-1.el6_7
    fixed: vendor fix RHSA-2016:0071
  • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird 38.6.0-1.el5_11
    fixed: vendor fix RHSA-2016:0258
  • Red Hat Enterprise Linux Server (v. 6) firefox 38.6.0-1.el6_7 Red Hat Enterprise Linux Server (v. 7) firefox 38.6.0-1.el7_2 Red Hat Enterprise Linux Server Optional (v. 6) firefox 38.6.0-1.el6_7, thunderbird 38.6.0-1.el6_7 Red Hat Enterprise Linux Server Optional (v. 7) firefox 38.6.0-1.el7_2, thunderbird 38.6.0-1.el7_2 Red Hat Enterprise Linux Workstation (v. 6) firefox 38.6.0-1.el6_7, thunderbird 38.6.0-1.el6_7 Red Hat Enterprise Linux Workstation (v. 7) firefox 38.6.0-1.el7_2, thunderbird 38.6.0-1.el7_2
    +2 more products
    Red Hat Enterprise Linux Workstation Optional (v. 6) firefox 38.6.0-1.el6_7 Red Hat Enterprise Linux Workstation Optional (v. 7) firefox 38.6.0-1.el7_2
    fixed: vendor fix RHSA-2016:0071

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

5.05% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 8.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

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.