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Fencer Intel
medium 5.1

CVE-2015-0813 json

Use-after-free vulnerability in the AppendElements function in Mozilla Firefox before 37.0, Firefox ESR 31.x before 31.6, and Thunderbird b…

published 2015-04-01 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-0826

cvss
5.1
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
5.3%
EPSS 5.3% chance of exploitation in 30 days, percentile 92%
public exploits
0
none known

Summary

Use-after-free vulnerability in the AppendElements function in Mozilla Firefox before 37.0, Firefox ESR 31.x before 31.6, and Thunderbird before 31.6 on Linux, when the Fluendo MP3 plugin for GStreamer is used, allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via a crafted MP3 file.

Patch / fix

  • firefox Ubuntu 14.04 LTS 37.0+build2-0ubuntu0.14.04.1
  • thunderbird Ubuntu 14.04 LTS 1:31.6.0+build1-0ubuntu0.14.04.1

ubuntu advisories UBUNTU-CVE-2015-0813

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 31.6.0-1.el5_11
  • thunderbird RHEL 6 31.6.0-1.el6_6
  • thunderbird RHEL 7 31.6.0-1.el7_1
  • thunderbird RHEL 7 31.6.0-1.ael7b_1
  • firefox RHEL 5 31.6.0-2.el5_11
  • firefox RHEL 6 31.6.0-2.el6_6
  • firefox RHEL 7 31.6.0-2.el7_1
  • xulrunner RHEL 7 31.6.0-2.el7_1

red hat advisories RHSA-2015:0771RHSA-2015:0766

  • MozillaFirefox SLES 12, SLED 12, SLE Software Development Kit 12 +1 more 31.6.0esr-30.1

suse advisories SUSE-SU-2015:0704-2SUSE-SU-2015:0704-1

  • 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-2015-0813 updated cvss 6.8

Mozilla: Use-after-free when using the Fluendo MP3 GStreamer plugin (MFSA 2015-31)

  • Red Hat Enterprise Linux (v. 5 server) firefox 31.6.0-2.el5_11 Red Hat Enterprise Linux Client (v. 7) firefox 31.6.0-2.el7_1, xulrunner 31.6.0-2.el7_1, thunderbird 31.6.0-1.el7_1 Red Hat Enterprise Linux Client Optional (v. 7) firefox 31.6.0-2.el7_1 Red Hat Enterprise Linux ComputeNode Optional (v. 7) xulrunner 31.6.0-2.el7_1 Red Hat Enterprise Linux Desktop (v. 5 client) firefox 31.6.0-2.el5_11, thunderbird 31.6.0-1.el5_11 Red Hat Enterprise Linux Desktop (v. 6) firefox 31.6.0-2.el6_6, thunderbird 31.6.0-1.el6_6
    +2 more products
    Red Hat Enterprise Linux Desktop Optional (v. 6) firefox 31.6.0-2.el6_6 Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 31.6.0-2.el6_6
    fixed: vendor fix RHSA-2015:0766
  • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird 31.6.0-1.el5_11
    fixed: vendor fix RHSA-2015:0771
  • Red Hat Enterprise Linux Server (v. 6) firefox 31.6.0-2.el6_6 Red Hat Enterprise Linux Server (v. 7) firefox 31.6.0-2.el7_1, firefox 31.6.0-2.ael7b_1, xulrunner 31.6.0-2.el7_1, xulrunner 31.6.0-2.ael7b_1 Red Hat Enterprise Linux Server Optional (v. 6) firefox 31.6.0-2.el6_6, thunderbird 31.6.0-1.el6_6 Red Hat Enterprise Linux Server Optional (v. 7) firefox 31.6.0-2.el7_1, xulrunner 31.6.0-2.el7_1, thunderbird 31.6.0-1.el7_1, thunderbird 31.6.0-1.ael7b_1 Red Hat Enterprise Linux Workstation (v. 6) firefox 31.6.0-2.el6_6, thunderbird 31.6.0-1.el6_6 Red Hat Enterprise Linux Workstation (v. 7) firefox 31.6.0-2.el7_1, xulrunner 31.6.0-2.el7_1, thunderbird 31.6.0-1.el7_1
    +2 more products
    Red Hat Enterprise Linux Workstation Optional (v. 6) firefox 31.6.0-2.el6_6 Red Hat Enterprise Linux Workstation Optional (v. 7) firefox 31.6.0-2.el7_1
    fixed: vendor fix RHSA-2015:0766

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

5.26% chance of exploitation in the next 30 days, higher than 92% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 5.1 AV:N/AC:H/Au:N/C:P/I:P/A:P

References

Sources

Fencer Intel 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.