Mozilla Firefox 38.0 and Firefox ESR 38.0 allow user-assisted remote attackers to read…
Priority LOW 34CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- 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
Mozilla Firefox 38.0 and Firefox ESR 38.0 allow user-assisted remote attackers to read arbitrary files or execute arbitrary JavaScript code with chrome privileges via a crafted web site that is accessed with unspecified mouse and keyboard actions. NOTE: this vulnerability exists because of a CVE-2015-0821 regression.
Why it matters now
EPSS 0.01794 78th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
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
Remediation
Red Hat 1 advisory
- RHSA-2015:1207 Released 2015-07-03 · Red Hat rating Criticalfirefox security update
- Red Hat Enterprise Linux (v. 5 server) firefox-38.1.0-1.el5_11, firefox-38.1.0-1.el5_11.i386
- Red Hat Enterprise Linux Client (v. 7) firefox-38.1.0-1.el7_1
- Red Hat Enterprise Linux Client Optional (v. 7) firefox-38.1.0-1.el7_1
- Red Hat Enterprise Linux Desktop (v. 5 client) firefox-38.1.0-1.el5_11, firefox-38.1.0-1.el5_11.i386
- Red Hat Enterprise Linux Desktop (v. 6) firefox-38.1.0-1.el6_6
- Red Hat Enterprise Linux Desktop Optional (v. 6) firefox-38.1.0-1.el6_6
- Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-38.1.0-1.el6_6
- Red Hat Enterprise Linux Server (v. 6) firefox-38.1.0-1.el6_6
- Red Hat Enterprise Linux Server (v. 7) firefox-38.1.0-1.ael7b_1, firefox-38.1.0-1.el7_1
- Red Hat Enterprise Linux Server Optional (v. 6) firefox-38.1.0-1.el6_6, firefox-38.1.0-1.el6_6.ppc
- Red Hat Enterprise Linux Server Optional (v. 7) firefox-38.1.0-1.el7_1, firefox-38.1.0-1.el7_1.ppc
- Red Hat Enterprise Linux Workstation (v. 6) firefox-38.1.0-1.el6_6
- Red Hat Enterprise Linux Workstation (v. 7) firefox-38.1.0-1.el7_1
- Red Hat Enterprise Linux Workstation Optional (v. 6) firefox-38.1.0-1.el6_6
- Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-38.1.0-1.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-2015:1207 |
| Red Hat Enterprise Linux Client (v. 7) | Fixed | RHSA-2015:1207 |
| Red Hat Enterprise Linux Client Optional (v. 7) | Fixed | RHSA-2015:1207 |
| Red Hat Enterprise Linux Desktop (v. 5 client) | Fixed | RHSA-2015:1207 |
| Red Hat Enterprise Linux Desktop (v. 6) | Fixed | RHSA-2015:1207 |
| Red Hat Enterprise Linux Desktop Optional (v. 6) | Fixed | RHSA-2015:1207 |
| Red Hat Enterprise Linux HPC Node Optional (v. 6) | Fixed | RHSA-2015:1207 |
| Red Hat Enterprise Linux Server (v. 6) | Fixed | RHSA-2015:1207 |
| Red Hat Enterprise Linux Server (v. 7) | Fixed | RHSA-2015:1207 |
| Red Hat Enterprise Linux Server Optional (v. 6) | Fixed | RHSA-2015:1207 |
| Red Hat Enterprise Linux Server Optional (v. 7) | Fixed | RHSA-2015:1207 |
| Red Hat Enterprise Linux Workstation (v. 6) | Fixed | RHSA-2015:1207 |
| Red Hat Enterprise Linux Workstation (v. 7) | Fixed | RHSA-2015:1207 |
| Red Hat Enterprise Linux Workstation Optional (v. 6) | Fixed | RHSA-2015:1207 |
| Red Hat Enterprise Linux Workstation Optional (v. 7) | Fixed | RHSA-2015:1207 |
Not affected: 3 products
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
Timeline
- 2026-10-02 Threatist record created from CVE-2015-2727
- 2026-10-03 Alias added: GHSA-xq4h-hmq6-ghrv
References
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-2015-2727 · CVE Program
- CVE-2015-2727 · NVD
- FIRST EPSS
- GHSA-xq4h-hmq6-ghrv · GitHub Advisory Database · CC BY 4.0
- CVE-2015-2727 · 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