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Fencer Intel
high 7.5

CVE-2015-2716 json

Buffer overflow in the XML parser in Mozilla Firefox before 38.0, Firefox ESR 31.x before 31.7, and Thunderbird before 31.7 allows remote a…

published 11y ago modified 4mo ago also EUVD-2015-2806

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
7.2%
EPSS 7.2% chance of exploitation in 30 days, percentile 94%
public exploits
0
none known

Summary

Buffer overflow in the XML parser in Mozilla Firefox before 38.0, Firefox ESR 31.x before 31.7, and Thunderbird before 31.7 allows remote attackers to execute arbitrary code by providing a large amount of compressed XML data, a related issue to CVE-2015-1283.

Patch / fix

  • firefox Ubuntu 14.04 LTS 38.0+build3-0ubuntu0.14.04.1
  • thunderbird Ubuntu 14.04 LTS 1:31.7.0+build1-0ubuntu0.14.04.1

ubuntu advisories UBUNTU-CVE-2015-2716

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

  • expat RHEL 7 2.1.0-11.el7
  • thunderbird RHEL 5 PRODUCTIVITY, RHEL 5 31.7.0-1.el5_11
  • thunderbird RHEL 6 31.7.0-1.el6_6
  • thunderbird RHEL 7 31.7.0-1.el7_1
  • thunderbird RHEL 7 31.7.0-1.ael7b_1
  • firefox RHEL 5 38.0-4.el5_11
  • firefox RHEL 6 38.0-4.el6_6
  • firefox RHEL 7 38.0-3.el7_1

red hat advisories RHSA-2020:2508RHSA-2020:1011RHSA-2015:1012RHSA-2015:0988

  • MozillaFirefox SLES for SAP 12, SLES 12, SLED 12 +1 more 31.7.0esr-34.1

suse advisories SUSE-SU-2015:0960-1

  • 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

Is CVE-2015-2716 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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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-2015-2716 updated cvss 6.8

expat: Integer overflow leading to buffer overflow in XML_GetBuffer()

  • Red Hat Enterprise Linux 5 expat Red Hat Enterprise Linux 6 expat
    affected: no fix planned “Will not fix”
  • Red Hat Ansible Tower 3.5 for RHEL 7 Server ansible-tower-35/ansible-tower 3.5.6-1
    fixed: vendor fix RHBA-2020:1539
  • Red Hat Ansible Tower 3.6 for RHEL 7 ansible-tower-36/ansible-tower 3.6.4-1
    fixed: vendor fix RHBA-2020:1540
  • Red Hat Enterprise Linux (v. 5 server) firefox 38.0-4.el5_11 Red Hat Enterprise Linux Client (v. 7) expat 2.1.0-11.el7, firefox 38.0-3.el7_1, thunderbird 31.7.0-1.el7_1 Red Hat Enterprise Linux Client Optional (v. 7) firefox 38.0-3.el7_1
    fixed: vendor fix RHSA-2015:0988
  • Red Hat Enterprise Linux ComputeNode (v. 7) expat 2.1.0-11.el7
    fixed: vendor fix RHSA-2020:1011
  • Red Hat Enterprise Linux ComputeNode EUS (v. 7.7) expat 2.1.0-11.el7_7
    fixed: vendor fix RHSA-2020:2508
  • Red Hat Enterprise Linux ComputeNode Optional (v. 7) expat-devel 2.1.0-11.el7, expat-static 2.1.0-11.el7, expat-debuginfo 2.1.0-11.el7
    fixed: vendor fix RHSA-2020:1011
  • Red Hat Enterprise Linux ComputeNode Optional EUS (v. 7.7) expat-devel 2.1.0-11.el7_7, expat-static 2.1.0-11.el7_7, expat-debuginfo 2.1.0-11.el7_7
    fixed: vendor fix RHSA-2020:2508
show 7 more
  • Red Hat Enterprise Linux Desktop (v. 5 client) firefox 38.0-4.el5_11, thunderbird 31.7.0-1.el5_11 Red Hat Enterprise Linux Desktop (v. 6) firefox 38.0-4.el6_6, thunderbird 31.7.0-1.el6_6 Red Hat Enterprise Linux Desktop Optional (v. 6) firefox 38.0-4.el6_6 Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 38.0-4.el6_6
    fixed: vendor fix RHSA-2015:0988
  • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird 31.7.0-1.el5_11
    fixed: vendor fix RHSA-2015:1012
  • Red Hat Enterprise Linux Server (v. 6) firefox 38.0-4.el6_6 Red Hat Enterprise Linux Server (v. 7) expat 2.1.0-11.el7, firefox 38.0-3.el7_1, firefox 38.0-3.ael7b_1
    fixed: vendor fix RHSA-2015:0988
  • Red Hat Enterprise Linux Server EUS (v. 7.7) expat 2.1.0-11.el7_7
    fixed: vendor fix RHSA-2020:2508
  • Red Hat Enterprise Linux Server Optional (v. 6) firefox 38.0-4.el6_6, thunderbird 31.7.0-1.el6_6 Red Hat Enterprise Linux Server Optional (v. 7) firefox 38.0-3.el7_1, thunderbird 31.7.0-1.el7_1, thunderbird 31.7.0-1.ael7b_1
    fixed: vendor fix RHSA-2015:0988
  • Red Hat Enterprise Linux Server Optional EUS (v. 7.7) expat-static 2.1.0-11.el7_7, expat-debuginfo 2.1.0-11.el7_7
    fixed: vendor fix RHSA-2020:2508
  • Red Hat Enterprise Linux Workstation (v. 6) firefox 38.0-4.el6_6, thunderbird 31.7.0-1.el6_6 Red Hat Enterprise Linux Workstation (v. 7) expat 2.1.0-11.el7, firefox 38.0-3.el7_1, thunderbird 31.7.0-1.el7_1 Red Hat Enterprise Linux Workstation Optional (v. 6) firefox 38.0-4.el6_6 Red Hat Enterprise Linux Workstation Optional (v. 7) firefox 38.0-3.el7_1
    fixed: vendor fix RHSA-2015:0988

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

7.23% chance of exploitation in the next 30 days, higher than 94% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
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 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.