Use-after-free vulnerability in the HTMLVideoElement interface in Mozilla Firefox before…
Priority MEDIUM 41Published · 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 HTMLVideoElement interface in Mozilla Firefox before 41.0 and Firefox ESR 38.x before 38.3 allows remote attackers to execute arbitrary code via crafted JavaScript code that modifies the URI table of a media element, aka ZDI-CAN-3176.
Why it matters now
EPSS 0.05394 92nd 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 · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| 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:a:mozilla:firefox:38.1.0:*:*:*:*:*:*:* | 38.1.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:38.1.1:*:*:*:*:*:*:* | 38.1.1 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:38.2.0:*:*:*:*:*:*:* | 38.2.0 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:38.2.1:*:*:*:*:*:*:* | 38.2.1 | Vulnerable | Mozilla |
| cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | up to 40.0.3 | 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
- cpe:2.3:a:mozilla:firefox:38.1.0:*:*:*:*:*:*:* Versions 38.1.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:38.1.1:*:*:*:*:*:*:* Versions 38.1.1 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:38.2.0:*:*:*:*:*:*:* Versions 38.2.0 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:38.2.1:*:*:*:*:*:*:* Versions 38.2.1 Vulnerable ·Mozilla
- cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions up to 40.0.3 Vulnerable ·Mozilla
Remediation
Red Hat 2 advisories
- RHSA-2015:1852 Released 2015-10-01 · Red Hat rating Importantthunderbird security update
- Red Hat Enterprise Linux Client (v. 7) thunderbird-38.3.0-1.el7_1
- Red Hat Enterprise Linux Desktop (v. 5 client) thunderbird-38.3.0-1.el5_11, thunderbird-38.3.0-1.el5_11.i386
- Red Hat Enterprise Linux Desktop (v. 6) thunderbird-38.3.0-1.el6_7
- Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) thunderbird-38.3.0-1.el5_11, thunderbird-38.3.0-1.el5_11.i386
- Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-38.3.0-1.el6_7
- Red Hat Enterprise Linux Server Optional (v. 7) thunderbird-38.3.0-1.ael7b_1, thunderbird-38.3.0-1.el7_1
- Red Hat Enterprise Linux Workstation (v. 6) thunderbird-38.3.0-1.el6_7
- Red Hat Enterprise Linux Workstation (v. 7) thunderbird-38.3.0-1.el7_1
- RHSA-2015:1834 Released 2015-09-22 · Red Hat rating Criticalfirefox security update
- Red Hat Enterprise Linux (v. 5 server) firefox-38.3.0-2.el5_11, firefox-38.3.0-2.el5_11.i386
- Red Hat Enterprise Linux Client (v. 7) firefox-38.3.0-2.el7_1
- Red Hat Enterprise Linux Client Optional (v. 7) firefox-38.3.0-2.el7_1
- Red Hat Enterprise Linux Desktop (v. 5 client) firefox-38.3.0-2.el5_11, firefox-38.3.0-2.el5_11.i386
- Red Hat Enterprise Linux Desktop (v. 6) firefox-38.3.0-2.el6_7
- Red Hat Enterprise Linux Desktop Optional (v. 6) firefox-38.3.0-2.el6_7
- Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-38.3.0-2.el6_7
- Red Hat Enterprise Linux Server (v. 6) firefox-38.3.0-2.el6_7
- Red Hat Enterprise Linux Server (v. 7) firefox-38.3.0-2.ael7b_1, firefox-38.3.0-2.el7_1
- Red Hat Enterprise Linux Server Optional (v. 6) firefox-38.3.0-2.el6_7, firefox-38.3.0-2.el6_7.ppc
- Red Hat Enterprise Linux Server Optional (v. 7) firefox-38.3.0-2.el7_1, firefox-38.3.0-2.el7_1.ppc
- Red Hat Enterprise Linux Workstation (v. 6) firefox-38.3.0-2.el6_7
- Red Hat Enterprise Linux Workstation (v. 7) firefox-38.3.0-2.el7_1
- Red Hat Enterprise Linux Workstation Optional (v. 6) firefox-38.3.0-2.el6_7
- Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-38.3.0-2.el7_1
Vendor assessments
Red Hat
Red Hat rating: Critical. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux (v. 5 server) | Fixed | RHSA-2015:1834 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2015:1834, RHSA-2015:1852 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2015:1834 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2015:1834, RHSA-2015:1852 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2015:1834, RHSA-2015:1852 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2015:1834 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2015:1834 |
| Red Hat Enterprise Linux Optional Productivity Applications (v. 5 server) | Fixed | RHSA-2015:1852 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2015:1834 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2015:1834 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2015:1834, RHSA-2015:1852 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2015:1834, RHSA-2015:1852 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2015:1834, RHSA-2015:1852 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2015:1834, RHSA-2015:1852 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2015:1834 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2015:1834 |
Timeline
- 2026-10-02 Threatist record created from CVE-2015-4509
- 2026-10-03 Alias added: GHSA-55pq-p5vr-w7hc
References
Advisory 15
More Mozilla Firefox vulnerabilities
- TI-2024-08981 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.8
- TI-2022-09832 Use after free in Mozilla Firefox KEVCVSS 3.1CRITICAL 9.6
- TI-2019-08769 Improper input validation in Mozilla Firefox ESR KEVCVSS 3.1CRITICAL 10.0
- TI-2010-03577 Mozilla Firefox 3.5.x through 3.5.14 and 3.6.x through 3.6.11, Thunderbird 3.1.6 before… KEVCVSS 3.1CRITICAL 9.8
- TI-2023-04799 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
- TI-2023-04477 Out-of-bounds write in Google Chrome KEVCVSS 3.1HIGH 8.8
Sources
- CVE-2015-4509 · CVE Program
- CVE-2015-4509 · NVD
- FIRST EPSS
- GHSA-55pq-p5vr-w7hc · GitHub Advisory Database · CC BY 4.0
- CVE-2015-4509 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences