Skip to content
Fencer Intel
medium 6.8

CVE-2015-7189 json

Race condition in the JPEGEncoder function in Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4 allows remote attackers to execu…

published 2015-11-05 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-7121

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

Race condition in the JPEGEncoder function in Mozilla Firefox before 42.0 and Firefox ESR 38.x before 38.4 allows remote attackers to execute arbitrary code or cause a denial of service (heap-based buffer overflow) via vectors involving a CANVAS element and crafted JavaScript code.

Patch / fix

  • firefox Ubuntu 14.04 LTS 42.0+build2-0ubuntu0.14.04.1
  • thunderbird Ubuntu 14.04 LTS 1:38.4.0+build3-0ubuntu0.14.04.1

ubuntu advisories UBUNTU-CVE-2015-7189

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 38.4.0-1.el5_11
  • thunderbird RHEL 6 38.4.0-1.el6_7
  • thunderbird RHEL 7 38.4.0-1.el7_2
  • firefox RHEL 5 38.4.0-1.el5_11
  • firefox RHEL 6 38.4.0-1.el6_7
  • firefox RHEL 7 38.4.0-1.el7_1

red hat advisories RHSA-2015:2519RHSA-2015:1982

  • mozilla-nss SLES for SAP 11 SP4, SLES for SAP 11 SP3, SLES 11 SP4 +6 more 3.19.2.1-19.3
  • mozilla-nspr SLES 11 SP4, SLES 11 SP3-TERADATA, SLES 11 SP3 +7 more 4.10.10-16.1
  • MozillaFirefox SLES for SAP 11 SP4, SLES for SAP 11 SP3, SLES 11 SP4 +6 more 38.4.0esr-25.6
  • MozillaFirefox-branding-SLED SLES for SAP 11 SP4, SLES for SAP 11 SP3, SLES 11 SP4 +4 more 38-15.31
  • mozilla-nss SLES for SAP 12, SLES 12, SLED 12 +1 more 3.19.2.1-29.1
  • mozilla-nspr SLES for SAP 12, SLES 12, SLED 12 +1 more 4.10.10-9.1
  • MozillaFirefox SLES for SAP 12, SLES 12, SLED 12 +1 more 38.4.0esr-51.1
  • MozillaFirefox-branding-SLE SLES for SAP 12, SLES 12, SLED 12 31.0-17.1

suse advisories SUSE-SU-2015:1981-1SUSE-SU-2015:1978-1SUSE-SU-2015:1926-1

  • 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-2015-7189 updated cvss 5.1

Mozilla: Buffer overflow during image interactions in canvas (MFSA 2015-123)

  • Red Hat Enterprise Linux (v. 5 server) firefox 38.4.0-1.el5_11 Red Hat Enterprise Linux Client (v. 7) firefox 38.4.0-1.el7_1, thunderbird 38.4.0-1.el7_2 Red Hat Enterprise Linux Client Optional (v. 7) firefox 38.4.0-1.el7_1 Red Hat Enterprise Linux Desktop (v. 5 client) firefox 38.4.0-1.el5_11, thunderbird 38.4.0-1.el5_11 Red Hat Enterprise Linux Desktop (v. 6) firefox 38.4.0-1.el6_7, thunderbird 38.4.0-1.el6_7 Red Hat Enterprise Linux Desktop Optional (v. 6) firefox 38.4.0-1.el6_7
    +1 more products
    Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 38.4.0-1.el6_7
    fixed: vendor fix RHSA-2015:1982
  • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird 38.4.0-1.el5_11
    fixed: vendor fix RHSA-2015:2519
  • Red Hat Enterprise Linux Server (v. 6) firefox 38.4.0-1.el6_7 Red Hat Enterprise Linux Server (v. 7) firefox 38.4.0-1.el7_1, firefox 38.4.0-1.ael7b_1 Red Hat Enterprise Linux Server Optional (v. 6) firefox 38.4.0-1.el6_7, thunderbird 38.4.0-1.el6_7 Red Hat Enterprise Linux Server Optional (v. 7) firefox 38.4.0-1.el7_1, thunderbird 38.4.0-1.el7_2 Red Hat Enterprise Linux Workstation (v. 6) firefox 38.4.0-1.el6_7, thunderbird 38.4.0-1.el6_7 Red Hat Enterprise Linux Workstation (v. 7) firefox 38.4.0-1.el7_1, thunderbird 38.4.0-1.el7_2
    +2 more products
    Red Hat Enterprise Linux Workstation Optional (v. 6) firefox 38.4.0-1.el6_7 Red Hat Enterprise Linux Workstation Optional (v. 7) firefox 38.4.0-1.el7_1
    fixed: vendor fix RHSA-2015:1982

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

3.11% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization

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.