Read the docs
TI-2018-03713 Aliases CVE-2018-5148GHSA-x8jx-j549-3mc7

Use after free in Mozilla Firefox ESR

Priority MEDIUM 47CWE-416Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Partial Red Hat: 15 fixed, 1 without a fix

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-416 and the CVSS impact.

Summary

A use-after-free vulnerability can occur in the compositor during certain graphics operations when a raw pointer is used instead of a reference counted one. This results in a potentially exploitable crash. This vulnerability affects Firefox ESR < 52.7.3 and Firefox < 59.0.2.

Why it matters now

EPSS 0.02915 87th percentileScored 2026-11-07
Fix Partial Firefox ESR (Mozilla): 52.7.3Firefox (Mozilla): 59.0.2Red Hat: 2 advisoriesRed Hat: 15 fixed, 1 without a fix

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
MozillaFirefox ESRbefore 52.7.352.7.3Patch availableCNA
MozillaFirefoxbefore 59.0.259.0.2Patch availableCNA
  • Firefox ESR VendorMozilla Affected before 52.7.3 Fixed in 52.7.3 Patch available CNA
  • Firefox VendorMozilla Affected before 59.0.2 Fixed in 59.0.2 Patch available CNA

CPE configurations NVD · 14

CPEVersionsRoleVendor
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*7.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*8.0VulnerableDebian
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*9.0VulnerableDebian
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:*7.5VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*7.0VulnerableRed Hat
  • cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
  • cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server_eus:7.5:*:*:*:*:*:*:* Versions 7.5 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Red Hat
Show 4 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*before 59.0.2; before 52.7.3VulnerableMozilla
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*14.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*16.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:*17.10VulnerableCanonical
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 59.0.2; before 52.7.3 Vulnerable ·Mozilla
  • cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* Versions 14.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* Versions 16.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:17.10:*:*:*:*:*:*:* Versions 17.10 Vulnerable ·Canonical

Remediation

  • Fix · CNA Firefox ESR (Mozilla) Fixed in 52.7.3
  • Fix · CNA Firefox (Mozilla) Fixed in 59.0.2

Red Hat 2 advisories

  • RHSA-2018:1099 Released 2018-04-10 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux Client (v. 7) firefox-52.7.3-1.el7_5
    • Red Hat Enterprise Linux Client Optional (v. 7) firefox-52.7.3-1.el7_5
    • Red Hat Enterprise Linux Server (v. 7) firefox-52.7.3-1.el7_5
    • Red Hat Enterprise Linux Server Optional (v. 7) firefox-52.7.3-1.el7_5, firefox-52.7.3-1.el7_5.ppc
    • Red Hat Enterprise Linux Workstation (v. 7) firefox-52.7.3-1.el7_5
    • Red Hat Enterprise Linux Workstation Optional (v. 7) firefox-52.7.3-1.el7_5
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7) firefox-52.7.3-1.el7_5
    • Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7) firefox-52.7.3-1.el7_5
  • RHSA-2018:1098 Released 2018-04-10 · Red Hat rating Important
    firefox security update
    • Red Hat Enterprise Linux Desktop (v. 6) firefox-52.7.3-1.el6_9
    • Red Hat Enterprise Linux Desktop Optional (v. 6) firefox-52.7.3-1.el6_9
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-52.7.3-1.el6_9
    • Red Hat Enterprise Linux Server (v. 6) firefox-52.7.3-1.el6_9
    • Red Hat Enterprise Linux Server Optional (v. 6) firefox-52.7.3-1.el6_9, firefox-52.7.3-1.el6_9.ppc
    • Red Hat Enterprise Linux Workstation (v. 6) firefox-52.7.3-1.el6_9
    • Red Hat Enterprise Linux Workstation Optional (v. 6) firefox-52.7.3-1.el6_9

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix planned: Will not fix
Red Hat Enterprise Linux Client (v. 7)Fixed RHSA-2018:1099
Red Hat Enterprise Linux Client Optional (v. 7)Fixed RHSA-2018:1099
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2018:1098
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2018:1098
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2018:1098
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2018:1098
Red Hat Enterprise Linux Server (v. 7)Fixed RHSA-2018:1099
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2018:1098
Red Hat Enterprise Linux Server Optional (v. 7)Fixed RHSA-2018:1099
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2018:1098
Red Hat Enterprise Linux Workstation (v. 7)Fixed RHSA-2018:1099
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2018:1098
Red Hat Enterprise Linux Workstation Optional (v. 7)Fixed RHSA-2018:1099
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server (v. 7)Fixed RHSA-2018:1099
Red Hat Enterprise Linux for ARM and IBM Power LE (POWER9) Server Optional (v. 7)Fixed RHSA-2018:1099
Not affected: 1 product
  • Red Hat Enterprise Linux 8

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-5148
  2. 2026-10-03 Alias added: GHSA-x8jx-j549-3mc7

References

Advisory 7

  • 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
See all 3444 →

Sources

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