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Fencer Vulns
medium 4.3

CVE-2016-1957 json

Memory leak in libstagefright in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 allows remote attackers to cause a denial of…

published 2016-03-13 10 y ago modified 2026-06-17 4 mo ago also EUVD-2016-3046

cvss
4.3
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

Memory leak in libstagefright in Mozilla Firefox before 45.0 and Firefox ESR 38.x before 38.7 allows remote attackers to cause a denial of service (memory consumption) via an MPEG-4 file that triggers a delete operation on an array.

Patch / fix

  • firefox-esr Debian 14, Debian 13, Debian 12 45.0esr-1

debian advisories DEBIAN-CVE-2016-1957

  • firefox Ubuntu 14.04 LTS 45.0+build2-0ubuntu0.14.04.1
  • thunderbird Ubuntu 14.04 LTS 1:38.7.2+build1-0ubuntu0.14.04.1
  • thunderbird Ubuntu 16.04 LTS 1:38.7.2+build1-0ubuntu0.16.04.1

ubuntu advisories UBUNTU-CVE-2016-1957

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 38.7.0-1.el5_11
  • thunderbird RHEL 6 38.7.0-1.el6_7
  • thunderbird RHEL 7 38.7.0-1.el7_2
  • firefox RHEL 5 38.7.0-1.el5_11
  • firefox RHEL 6 38.7.0-1.el6_7
  • firefox RHEL 7 38.7.0-1.el7_2

red hat advisories RHSA-2016:0460RHSA-2016:0373

  • mozilla-nss SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +3 more 3.20.2-28.1
  • mozilla-nspr SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +3 more 4.12-24.1
  • MozillaFirefox SLES for SAP 11 SP4, SLES 11 SP4, SLES 11 SP3-TERADATA +3 more 38.7.0esr-37.3
  • mozilla-nss SLES for SAP 12 SP1, SLES for SAP 12, SLES 12 SP1 +5 more 3.20.2-40.1
  • mozilla-nspr SLES for SAP 12 SP1, SLES for SAP 12, SLES 12 SP1 +5 more 4.12-12.1
  • MozillaFirefox SLES for SAP 12 SP1, SLES for SAP 12, SLES 12 SP1 +5 more 38.7.0esr-63.3
  • mozilla-nss SLES 11 SP2-LTSS 3.20.2-20.1
  • mozilla-nspr SLES 11 SP2-LTSS 4.12-19.1

suse advisories SUSE-SU-2016:0909-1SUSE-SU-2016:0777-1SUSE-SU-2016:0727-1

  • 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
  • MozillaThunderbird Package Hub 12 45.2-6.1

opensuse advisories openSUSE-SU-2024:14572-1openSUSE-SU-2024:10071-1openSUSE-SU-2024:10230-1openSUSE-SU-2016:1769-1openSUSE-SU-2016:1778-1

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-2016-1957 updated cvss 5.1

Mozilla: Memory leak in libstagefright when deleting an array during MP4 processing (MFSA 2016-20)

  • Red Hat Enterprise Linux (v. 5 server) firefox 38.7.0-1.el5_11 Red Hat Enterprise Linux Client (v. 7) firefox 38.7.0-1.el7_2, thunderbird 38.7.0-1.el7_2 Red Hat Enterprise Linux Client Optional (v. 7) firefox 38.7.0-1.el7_2 Red Hat Enterprise Linux Desktop (v. 5 client) firefox 38.7.0-1.el5_11, thunderbird 38.7.0-1.el5_11 Red Hat Enterprise Linux Desktop (v. 6) firefox 38.7.0-1.el6_7, thunderbird 38.7.0-1.el6_7 Red Hat Enterprise Linux Desktop Optional (v. 6) firefox 38.7.0-1.el6_7
    +1 more products
    Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 38.7.0-1.el6_7
    fixed: vendor fix RHSA-2016:0373
  • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird 38.7.0-1.el5_11
    fixed: vendor fix RHSA-2016:0460
  • Red Hat Enterprise Linux Server (v. 6) firefox 38.7.0-1.el6_7 Red Hat Enterprise Linux Server (v. 7) firefox 38.7.0-1.el7_2 Red Hat Enterprise Linux Server Optional (v. 6) firefox 38.7.0-1.el6_7, thunderbird 38.7.0-1.el6_7 Red Hat Enterprise Linux Server Optional (v. 7) firefox 38.7.0-1.el7_2, thunderbird 38.7.0-1.el7_2 Red Hat Enterprise Linux Workstation (v. 6) firefox 38.7.0-1.el6_7, thunderbird 38.7.0-1.el6_7 Red Hat Enterprise Linux Workstation (v. 7) firefox 38.7.0-1.el7_2, thunderbird 38.7.0-1.el7_2
    +2 more products
    Red Hat Enterprise Linux Workstation Optional (v. 6) firefox 38.7.0-1.el6_7 Red Hat Enterprise Linux Workstation Optional (v. 7) firefox 38.7.0-1.el7_2
    fixed: vendor fix RHSA-2016:0373

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

2.16% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 4.3 CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:N/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.