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TI-2015-03762 Aliases CVE-2015-4484GHSA-c78v-3pfm-39g8

The js::jit::AssemblerX86Shared::lock_addl function in the JavaScript implementation in…

Priority LOW 29CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Partial
Fix status
Fixed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.

Summary

The js::jit::AssemblerX86Shared::lock_addl function in the JavaScript implementation in Mozilla Firefox before 40.0 and Firefox ESR 38.x before 38.2 allows remote attackers to cause a denial of service (application crash) by leveraging the use of shared memory and accessing (1) an Atomics object or (2) a SharedArrayBuffer object.

Why it matters now

EPSS 0.03566 89th 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 11

CPEVersionsRoleVendor
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:*15.04VulnerableCanonical
cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:*13.1VulnerableopenSUSE
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*13.2VulnerableopenSUSE
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*up to 39.0.3VulnerableMozilla
cpe:2.3:a:mozilla:firefox:38.0:*:*:*:*:*:*:*38.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox:38.0.1:*:*:*:*:*:*:*38.0.1VulnerableMozilla
cpe:2.3:a:mozilla:firefox:38.0.5:*:*:*:*:*:*:*38.0.5VulnerableMozilla
cpe:2.3:a:mozilla:firefox:38.1.0:*:*:*:*:*:*:*38.1.0VulnerableMozilla
  • 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
  • cpe:2.3:a:mozilla:firefox:38.1.0:*:*:*:*:*:*:* Versions 38.1.0 Vulnerable ·Mozilla
Show 1 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:*11.3VulnerableOracle
  • cpe:2.3:o:oracle:solaris:11.3:*:*:*:*:*:*:* Versions 11.3 Vulnerable ·Oracle

Remediation

Red Hat 1 advisory

  • RHSA-2015:1586 Released 2015-08-11 · Red Hat rating Critical
    firefox 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 →

ProductStatusPlan or fix
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2015:1586
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 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
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2015:1586
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2015:1586
Not affected: 3 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • Red Hat Enterprise Linux 7

Timeline

  1. 2026-10-02 Threatist record created from CVE-2015-4484
  2. 2026-10-03 Alias added: GHSA-c78v-3pfm-39g8
  3. 2026-10-23 EPSS moved to the 50th–90th percentile

References

Advisory 15

Other 1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences