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TI-2012-01716 Aliases CVE-2012-1939GHSA-g43v-55jg-34cf

jsinfer.cpp in Mozilla Firefox ESR 10.x before 10.0.5 and Thunderbird ESR 10.x before…

Priority MEDIUM 46CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Code execution
Confidentiality · integrity · availability
Complete · Complete · Complete
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

jsinfer.cpp in Mozilla Firefox ESR 10.x before 10.0.5 and Thunderbird ESR 10.x before 10.0.5 does not properly determine data types, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via crafted JavaScript code.

Why it matters now

EPSS 0.03123 87th 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

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

CPE configurations NVD · 10

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:10.0:*:*:*:*:*:*:*10.0VulnerableMozilla
cpe:2.3:a:mozilla:firefox:10.0.1:*:*:*:*:*:*:*10.0.1VulnerableMozilla
cpe:2.3:a:mozilla:firefox:10.0.2:*:*:*:*:*:*:*10.0.2VulnerableMozilla
cpe:2.3:a:mozilla:firefox:10.0.3:*:*:*:*:*:*:*10.0.3VulnerableMozilla
cpe:2.3:a:mozilla:firefox:10.0.4:*:*:*:*:*:*:*10.0.4VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird_esr:10.0:*:*:*:*:*:*:*10.0VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird_esr:10.0.1:*:*:*:*:*:*:*10.0.1VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird_esr:10.0.2:*:*:*:*:*:*:*10.0.2VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird_esr:10.0.3:*:*:*:*:*:*:*10.0.3VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird_esr:10.0.4:*:*:*:*:*:*:*10.0.4VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:10.0.1:*:*:*:*:*:*:* Versions 10.0.1 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:10.0.2:*:*:*:*:*:*:* Versions 10.0.2 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:10.0.3:*:*:*:*:*:*:* Versions 10.0.3 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:10.0.4:*:*:*:*:*:*:* Versions 10.0.4 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird_esr:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird_esr:10.0.1:*:*:*:*:*:*:* Versions 10.0.1 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird_esr:10.0.2:*:*:*:*:*:*:* Versions 10.0.2 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird_esr:10.0.3:*:*:*:*:*:*:* Versions 10.0.3 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird_esr:10.0.4:*:*:*:*:*:*:* Versions 10.0.4 Vulnerable ·Mozilla

Remediation

Red Hat 2 advisories

  • RHSA-2012:0715 Released 2012-06-06 · Red Hat rating Critical
    thunderbird security update
    • RHEL Optional Productivity Applications (v. 5 server) thunderbird-10.0.5-2.el5_8, thunderbird-10.0.5-2.el5_8.i386
    • Red Hat Enterprise Linux Desktop (v. 5 client) thunderbird-10.0.5-2.el5_8, thunderbird-10.0.5-2.el5_8.i386
    • Red Hat Enterprise Linux Desktop (v. 6) thunderbird-10.0.5-2.el6_2
    • Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-10.0.5-2.el6_2
    • Red Hat Enterprise Linux Workstation (v. 6) thunderbird-10.0.5-2.el6_2
  • RHSA-2012:0710 Released 2012-06-05 · Red Hat rating Critical
    firefox security update
    • RHEL Desktop Workstation (v. 5 client) xulrunner-10.0.5-1.el5_8, xulrunner-devel-10.0.5-1.el5_8, xulrunner-devel-10.0.5-1.el5_8.i386
    • Red Hat Enterprise Linux (v. 5 server) firefox-10.0.5-1.el5_8, firefox-10.0.5-1.el5_8.i386, firefox-10.0.5-1.el5_8.ia64 +9
    • Red Hat Enterprise Linux Desktop (v. 5 client) firefox-10.0.5-1.el5_8, firefox-10.0.5-1.el5_8.i386, xulrunner-10.0.5-1.el5_8 +1
    • Red Hat Enterprise Linux Desktop (v. 6) firefox-10.0.5-1.el6_2, xulrunner-10.0.5-1.el6_2
    • Red Hat Enterprise Linux Desktop Optional (v. 6) xulrunner-10.0.5-1.el6_2, xulrunner-devel-10.0.5-1.el6_2
    • Red Hat Enterprise Linux HPC Node Optional (v. 6) firefox-10.0.5-1.el6_2, xulrunner-10.0.5-1.el6_2, xulrunner-devel-10.0.5-1.el6_2
    • Red Hat Enterprise Linux Server (v. 6) firefox-10.0.5-1.el6_2, firefox-10.0.5-1.el6_2.ppc, xulrunner-10.0.5-1.el6_2 +1
    • Red Hat Enterprise Linux Server Optional (v. 6) xulrunner-10.0.5-1.el6_2, xulrunner-devel-10.0.5-1.el6_2, xulrunner-devel-10.0.5-1.el6_2.ppc
    • Red Hat Enterprise Linux Workstation (v. 6) firefox-10.0.5-1.el6_2, xulrunner-10.0.5-1.el6_2
    • Red Hat Enterprise Linux Workstation Optional (v. 6) xulrunner-10.0.5-1.el6_2, xulrunner-devel-10.0.5-1.el6_2

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
RHEL Desktop Workstation (v. 5 client)Fixed RHSA-2012:0710
RHEL Optional Productivity Applications (v. 5 server)Fixed RHSA-2012:0715
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2012:0710
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2012:0710, RHSA-2012:0715
Red Hat Enterprise Linux Desktop (v. 6)Fixed RHSA-2012:0710, RHSA-2012:0715
Red Hat Enterprise Linux Desktop Optional (v. 6)Fixed RHSA-2012:0710
Red Hat Enterprise Linux HPC Node Optional (v. 6)Fixed RHSA-2012:0710
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2012:0710
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2012:0710, RHSA-2012:0715
Red Hat Enterprise Linux Workstation (v. 6)Fixed RHSA-2012:0710, RHSA-2012:0715
Red Hat Enterprise Linux Workstation Optional (v. 6)Fixed RHSA-2012:0710

Timeline

  1. 2026-10-02 Threatist record created from CVE-2012-1939
  2. 2026-10-03 Alias added: GHSA-g43v-55jg-34cf

References

Advisory 6

Other 1

  • 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