Read the docs
TI-2013-00632 Aliases CVE-2013-0748GHSA-mj3v-vm8j-wm4f

The XBL.__proto__.toString implementation in Mozilla Firefox before 18.0, Firefox ESR…

Priority LOW 24CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Information disclosure
Confidentiality · integrity · availability
Partial · None · None
Fix status
Partial Red Hat: 9 fixed, 1 without a fix

Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-200.

Summary

The XBL.__proto__.toString implementation in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and 17.x before 17.0.2, Thunderbird before 17.0.2, Thunderbird ESR 10.x before 10.0.12 and 17.x before 17.0.2, and SeaMonkey before 2.15 makes it easier for remote attackers to bypass the ASLR protection mechanism by calling the toString function of an XBL object.

Why it matters now

EPSS 0.01998 80th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Partial Red Hat: 2 advisoriesRed Hat: 9 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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 27

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*before 18.0; 10.0 to before 10.0.12; 17.0 to before 17.0.2VulnerableMozilla
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*before 2.15VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*before 17.0.2VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:*10.0 to before 10.0.12; 17.0 to before 17.0.2VulnerableMozilla
cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:*11.4VulnerableopenSUSE
cpe:2.3:o:opensuse:opensuse:12.1:*:*:*:*:*:*:*12.1VulnerableopenSUSE
cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:*12.2VulnerableopenSUSE
cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:*:*:*:*:*:*10 sp4VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_desktop:11:sp2:*:*:*:*:*:*11 sp2VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:*:*:*:*10 sp4VulnerableSUSE
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions before 18.0; 10.0 to before 10.0.12; 17.0 to before 17.0.2 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* Versions before 2.15 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions before 17.0.2 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:* Versions 10.0 to before 10.0.12; 17.0 to before 17.0.2 Vulnerable ·Mozilla
  • cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* Versions 11.4 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse:opensuse:12.1:*:*:*:*:*:*:* Versions 12.1 Vulnerable ·openSUSE
  • cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:* Versions 12.2 Vulnerable ·openSUSE
  • cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:*:*:*:*:*:* Versions 10 sp4 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_desktop:11:sp2:*:*:*:*:*:* Versions 11 sp2 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:*:*:*:* Versions 10 sp4 Vulnerable ·SUSE
Show 17 more CPE
CPEVersionsRoleVendor
cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:-:*:*11 sp2VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:vmware:*:*11 sp2VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp4:*:*:*:*:*:*10 sp4VulnerableSUSE
cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp2:*:*:*:*:*:*11 sp2VulnerableSUSE
cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:5.9:*:*:*:*:*:*:*5.9VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_eus:6.3:*:*:*:*:*:*:*6.3VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_server_aus:5.9:*:*:*:*:*:*:*5.9VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:*5.0VulnerableRed Hat
cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:*6.0VulnerableRed Hat
cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*10.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*11.10VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*12.04VulnerableCanonical
cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*12.10VulnerableCanonical
  • cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:-:*:* Versions 11 sp2 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:vmware:*:* Versions 11 sp2 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp4:*:*:*:*:*:* Versions 10 sp4 Vulnerable ·SUSE
  • cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp2:*:*:*:*:*:* Versions 11 sp2 Vulnerable ·SUSE
  • cpe:2.3:o:redhat:enterprise_linux_desktop:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:5.9:*:*:*:*:*:*:* Versions 5.9 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_eus:6.3:*:*:*:*:*:*:* Versions 6.3 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_server:5.0:*:*:*:*:*:*:* Versions 5.0 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_aus:5.9:*:*:*:*:*:*:* Versions 5.9 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Red Hat
  • cpe:2.3:o:redhat:enterprise_linux_workstation:6.0:*:*:*:*:*:*:* Versions 6.0 Vulnerable ·Red Hat
  • cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:* Versions 10.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:* Versions 11.10 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* Versions 12.04 Vulnerable ·Canonical
  • cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* Versions 12.10 Vulnerable ·Canonical

Remediation

Red Hat 2 advisories

  • RHSA-2013:0144 Released 2013-01-08 · Red Hat rating Critical
    firefox security update
    • Red Hat Enterprise Linux (v. 5 server) firefox-10.0.12-1.el5_9, firefox-10.0.12-1.el5_9.i386, firefox-10.0.12-1.el5_9.ia64 +9
    • Red Hat Enterprise Linux Desktop (v. 6) firefox-10.0.12-1.el6_3, xulrunner-10.0.12-1.el6_3
    • Red Hat Enterprise Linux Desktop Optional (v. 6) xulrunner-10.0.12-1.el6_3, xulrunner-devel-10.0.12-1.el6_3
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-10.0.12-1.el6_3, xulrunner-10.0.12-1.el6_3, xulrunner-devel-10.0.12-1.el6_3
    • Red Hat Enterprise Linux Server (v. 6) firefox-10.0.12-1.el6_3, firefox-10.0.12-1.el6_3.ppc, xulrunner-10.0.12-1.el6_3 +1
    • Red Hat Enterprise Linux Server Optional (v. 6) xulrunner-10.0.12-1.el6_3, xulrunner-devel-10.0.12-1.el6_3, xulrunner-devel-10.0.12-1.el6_3.ppc
    • Red Hat Enterprise Linux Workstation (v. 6) firefox-10.0.12-1.el6_3, xulrunner-10.0.12-1.el6_3
    • Red Hat Enterprise Linux Workstation Optional (v. 6) xulrunner-10.0.12-1.el6_3, xulrunner-devel-10.0.12-1.el6_3
  • RHSA-2013:0145 Released 2013-01-08 · Red Hat rating Critical
    thunderbird security update
    • RHEL Optional Productivity Applications (v. 5 server) thunderbird-10.0.12-3.el5_9, thunderbird-10.0.12-3.el5_9.i386
    • Red Hat Enterprise Linux Desktop (v. 6) thunderbird-10.0.12-3.el6_3
    • Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-10.0.12-3.el6_3
    • Red Hat Enterprise Linux Workstation (v. 6) thunderbird-10.0.12-3.el6_3

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux 5AffectedNo fix yet
RHEL Optional Productivity Applications (v. 5 server)Fixed RHSA-2013:0145
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2013:0144
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2013:0144, RHSA-2013:0145
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2013:0144
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2013:0144
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2013:0144
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2013:0144, RHSA-2013:0145
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2013:0144, RHSA-2013:0145
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2013:0144

Timeline

  1. 2026-10-02 Threatist record created from CVE-2013-0748
  2. 2026-10-03 Alias added: GHSA-mj3v-vm8j-wm4f

References

Exploit 1

Advisory 11

Sources

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