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Fencer Intel
high 7.5

CVE-2015-4488 json

Use-after-free vulnerability in the StyleAnimationValue class in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS…

published 11y ago modified 4mo ago also EUVD-2015-4508

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.2%
EPSS 3.2% chance of exploitation in 30 days, percentile 88%
public exploits
0
none known

Summary

Use-after-free vulnerability in the StyleAnimationValue class in Mozilla Firefox before 40.0, Firefox ESR 38.x before 38.2, and Firefox OS before 2.2 allows remote attackers to have an unspecified impact by leveraging a StyleAnimationValue::operator self assignment.

Patch / fix

  • firefox Ubuntu 14.04 LTS 40.0+build4-0ubuntu0.14.04.1
  • thunderbird Ubuntu 14.04 LTS 1:38.2.0+build1-0ubuntu0.14.04.1

ubuntu advisories UBUNTU-CVE-2015-4488

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

  • firefox RHEL 5 38.2.0-4.el5_11
  • firefox RHEL 6 38.2.0-4.el6_7
  • firefox RHEL 7 38.2.0-4.el7_1
  • thunderbird RHEL 5 PRODUCTIVITY, RHEL 5 38.2.0-4.el5_11
  • thunderbird RHEL 6 38.2.0-4.el6_7
  • thunderbird RHEL 7 38.2.0-1.el7_1
  • thunderbird RHEL 7 38.2.0-1.ael7b_1

red hat advisories RHSA-2015:1586RHSA-2015:1682

  • mozilla-nss SLES for SAP 11 SP4, SLES for SAP 11 SP3, SLES 11 SP4 +6 more 3.19.2.0-0.16.1
  • MozillaFirefox SLES for SAP 11 SP4, SLES for SAP 11 SP3, SLES 11 SP4 +6 more 38.2.1esr-19.3
  • MozillaFirefox-branding-SLED SLES for SAP 11 SP4, SLES for SAP 11 SP3, SLES 11 SP4 +4 more 31.0-0.12.51
  • mozilla-nss SLES for SAP 12, SLES 12, SLED 12 +1 more 3.19.2.0-26.2
  • MozillaFirefox SLES for SAP 12, SLES 12, SLED 12 +1 more 38.2.1esr-45.1
  • MozillaFirefox-branding-SLE SLES for SAP 12, SLES 12, SLED 12 31.0-14.1
  • mozilla-nss SLES 11 SP2-LTSS, SLES 11 SP1-TERADATA, SLES 11 SP1-LTSS 3.19.2.0-0.7.1
  • firefox-gcc47 SLES 11 SP2-LTSS, SLES 11 SP1-TERADATA, SLES 11 SP1-LTSS 4.7.2_20130108-0.37.2

suse advisories SUSE-SU-2015:1528-1SUSE-SU-2015:1476-1SUSE-SU-2015:1449-1

  • MozillaFirefox openSUSE Tumbleweed 50.1.0-1.1
  • MozillaThunderbird openSUSE Tumbleweed 45.5.1-1.1

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

Is CVE-2015-4488 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-2015-4488 updated cvss 5.1

Mozilla: Vulnerabilities found through code inspection (MFSA 2015-90)

  • Red Hat Enterprise Linux (v. 5 server) firefox 38.2.0-4.el5_11 Red Hat Enterprise Linux Client (v. 7) firefox 38.2.0-4.el7_1, thunderbird 38.2.0-1.el7_1 Red Hat Enterprise Linux Client Optional (v. 7) firefox 38.2.0-4.el7_1 Red Hat Enterprise Linux Desktop (v. 5 client) firefox 38.2.0-4.el5_11, thunderbird 38.2.0-4.el5_11 Red Hat Enterprise Linux Desktop (v. 6) firefox 38.2.0-4.el6_7, thunderbird 38.2.0-4.el6_7 Red Hat Enterprise Linux Desktop Optional (v. 6) firefox 38.2.0-4.el6_7
    +1 more products
    Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox 38.2.0-4.el6_7
    fixed: vendor fix RHSA-2015:1586
  • Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird 38.2.0-4.el5_11
    fixed: vendor fix RHSA-2015:1682
  • Red Hat Enterprise Linux Server (v. 6) firefox 38.2.0-4.el6_7 Red Hat Enterprise Linux Server (v. 7) firefox 38.2.0-4.el7_1, firefox 38.2.0-4.ael7b_1 Red Hat Enterprise Linux Server Optional (v. 6) firefox 38.2.0-4.el6_7, thunderbird 38.2.0-4.el6_7 Red Hat Enterprise Linux Server Optional (v. 7) firefox 38.2.0-4.el7_1, thunderbird 38.2.0-1.el7_1, thunderbird 38.2.0-1.ael7b_1 Red Hat Enterprise Linux Workstation (v. 6) firefox 38.2.0-4.el6_7, thunderbird 38.2.0-4.el6_7 Red Hat Enterprise Linux Workstation (v. 7) firefox 38.2.0-4.el7_1, thunderbird 38.2.0-1.el7_1
    +2 more products
    Red Hat Enterprise Linux Workstation Optional (v. 6) firefox 38.2.0-4.el6_7 Red Hat Enterprise Linux Workstation Optional (v. 7) firefox 38.2.0-4.el7_1
    fixed: vendor fix RHSA-2015:1586

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

3.19% chance of exploitation in the next 30 days, higher than 88% 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

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.