Use-after-free vulnerability in the StyleAnimationValue class in Mozilla Firefox before…
Priority LOW 39Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
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.
Why it matters now
EPSS 0.03194 88th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 12
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* | 11.3 | Vulnerable | Oracle |
| cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* | 12.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | 14.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* | 15.04 | Vulnerable | Canonical |
| cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* | 13.1 | Vulnerable | openSUSE |
| cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* | 13.2 | Vulnerable | openSUSE |
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | up to 39.0.3 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:38.0:*:*:*:*:*:*:* | 38.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:38.0.1:*:*:*:*:*:*:* | 38.0.1 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:38.0.5:*:*:*:*:*:*:* | 38.0.5 | Vulnerable | Mozilla |
- cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* Versions 11.3 Vulnerable ·Oracle
- cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* Versions 12.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* Versions 15.04 Vulnerable ·Canonical
- cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* Versions 13.1 Vulnerable ·openSUSE
- cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* Versions 13.2 Vulnerable ·openSUSE
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions up to 39.0.3 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:38.0:*:*:*:*:*:*:* Versions 38.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:38.0.1:*:*:*:*:*:*:* Versions 38.0.1 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:38.0.5:*:*:*:*:*:*:* Versions 38.0.5 Vulnerable ·Mozilla
Remediation
Red Hat 2 advisories
- RHSA-2015:1682 Released 2015-08-25 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux Client (v. 7) thunderbird-38.2.0-1.el7_1
- Red Hat Enterprise Linux Desktop (v. 5 client) thunderbird-38.2.0-4.el5_11, thunderbird-38.2.0-4.el5_11.i386
- Red Hat Enterprise Linux Desktop (v. 6) thunderbird-38.2.0-4.el6_7
- Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird-38.2.0-4.el5_11, thunderbird-38.2.0-4.el5_11.i386
- Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-38.2.0-4.el6_7
- Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-38.2.0-1.ael7b_1, thunderbird-38.2.0-1.el7_1
- Red Hat Enterprise Linux Workstation (v. 6) thunderbird-38.2.0-4.el6_7
- Red Hat Enterprise Linux Workstation (v. 7) thunderbird-38.2.0-1.el7_1
- RHSA-2015:1586 Released 2015-08-11 · Red Hat rating Criticalfirefox security update
- Red Hat Enterprise Linux (v. 5 server) firefox-38.2.0-4.el5_11, firefox-38.2.0-4.el5_11.i386
- Red Hat Enterprise Linux Client (v. 7) firefox-38.2.0-4.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, firefox-38.2.0-4.el5_11.i386
- Red Hat Enterprise Linux Desktop (v. 6) firefox-38.2.0-4.el6_7
- Red Hat Enterprise Linux Desktop Optional (v. 6) firefox-38.2.0-4.el6_7
- Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-38.2.0-4.el6_7
- 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.ael7b_1, firefox-38.2.0-4.el7_1
- Red Hat Enterprise Linux Server Optional (v. 6) firefox-38.2.0-4.el6_7, firefox-38.2.0-4.el6_7.ppc
- Red Hat Enterprise Linux Server Optional (v. 7) firefox-38.2.0-4.el7_1, firefox-38.2.0-4.el7_1.ppc
- Red Hat Enterprise Linux Workstation (v. 6) firefox-38.2.0-4.el6_7
- Red Hat Enterprise Linux Workstation (v. 7) firefox-38.2.0-4.el7_1
- 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
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2015:1586 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2015:1586, RHSA-2015:1682 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2015:1586 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2015:1586, RHSA-2015:1682 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2015:1586, RHSA-2015:1682 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2015:1586 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2015:1586 |
| Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) | Fixed | RHSA-2015:1682 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2015:1586 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2015:1586 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2015:1586, RHSA-2015:1682 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2015:1586, RHSA-2015:1682 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2015:1586, RHSA-2015:1682 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2015:1586, RHSA-2015:1682 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2015:1586 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2015:1586 |
Timeline
- 2026-10-02 Threatist record created from CVE-2015-4488
- 2026-10-03 Alias added: GHSA-pfmq-4r52-h3xc
- 2026-10-21 EPSS moved to the 90th–95th percentile
- 2026-10-23 EPSS moved to the 50th–90th percentile
References
Advisory 18
- DSA-3410
- SUSE-SU-2015:2081
- USN-2712-1
- openSUSE-SU-2015:1454
- USN-2702-3
- RHSA-2015:1682
- openSUSE-SU-2015:1389
- openSUSE-SU-2015:1453
- RHSA-2015:1586
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
- SUSE-SU-2015:1528
- USN-2702-2
- USN-2702-1
- GLSA-201605-06
- SUSE-SU-2015:1449
- DSA-3333
- http://www.mozilla.org/security/announce/2015/mfsa2015-90.html
- openSUSE-SU-2015:1390
Sources
- CVE-2015-4488 · CVE Program
- CVE-2015-4488 · NVD
- FIRST EPSS
- GHSA-pfmq-4r52-h3xc · GitHub Advisory Database · CC BY 4.0
- CVE-2015-4488 · Red Hat security data · CC BY 4.0
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