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TI-2011-02639 Aliases CVE-2011-2998GHSA-2rjf-9fvj-83c2

Integer underflow in Mozilla Firefox 3.6.x before 3.6.23 allows remote attackers to cause…

Priority MEDIUM 51CWE-189Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Low
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-189 and the CVSS impact.

Summary

Integer underflow in Mozilla Firefox 3.6.x before 3.6.23 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via JavaScript code containing a large RegExp expression.

Why it matters now

EPSS 0.05368 92nd percentileScored 2026-11-07
Fix Fixed Red Hat: 4 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 · 21

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:3.6:*:*:*:*:*:*:*3.6VulnerableMozilla
cpe:2.3:a:mozilla:firefox:3.6.2:*:*:*:*:*:*:*3.6.2VulnerableMozilla
cpe:2.3:a:mozilla:firefox:3.6.3:*:*:*:*:*:*:*3.6.3VulnerableMozilla
cpe:2.3:a:mozilla:firefox:3.6.4:*:*:*:*:*:*:*3.6.4VulnerableMozilla
cpe:2.3:a:mozilla:firefox:3.6.6:*:*:*:*:*:*:*3.6.6VulnerableMozilla
cpe:2.3:a:mozilla:firefox:3.6.7:*:*:*:*:*:*:*3.6.7VulnerableMozilla
cpe:2.3:a:mozilla:firefox:3.6.8:*:*:*:*:*:*:*3.6.8VulnerableMozilla
cpe:2.3:a:mozilla:firefox:3.6.9:*:*:*:*:*:*:*3.6.9VulnerableMozilla
cpe:2.3:a:mozilla:firefox:3.6.10:*:*:*:*:*:*:*3.6.10VulnerableMozilla
cpe:2.3:a:mozilla:firefox:3.6.11:*:*:*:*:*:*:*3.6.11VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:3.6:*:*:*:*:*:*:* Versions 3.6 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:3.6.2:*:*:*:*:*:*:* Versions 3.6.2 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:3.6.3:*:*:*:*:*:*:* Versions 3.6.3 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:3.6.4:*:*:*:*:*:*:* Versions 3.6.4 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:3.6.6:*:*:*:*:*:*:* Versions 3.6.6 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:3.6.7:*:*:*:*:*:*:* Versions 3.6.7 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:3.6.8:*:*:*:*:*:*:* Versions 3.6.8 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:3.6.9:*:*:*:*:*:*:* Versions 3.6.9 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:3.6.10:*:*:*:*:*:*:* Versions 3.6.10 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:3.6.11:*:*:*:*:*:*:* Versions 3.6.11 Vulnerable ·Mozilla
Show 11 more CPE
CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:3.6.12:*:*:*:*:*:*:*3.6.12VulnerableMozilla
cpe:2.3:a:mozilla:firefox:3.6.13:*:*:*:*:*:*:*3.6.13VulnerableMozilla
cpe:2.3:a:mozilla:firefox:3.6.14:*:*:*:*:*:*:*3.6.14VulnerableMozilla
cpe:2.3:a:mozilla:firefox:3.6.15:*:*:*:*:*:*:*3.6.15VulnerableMozilla
cpe:2.3:a:mozilla:firefox:3.6.16:*:*:*:*:*:*:*3.6.16VulnerableMozilla
cpe:2.3:a:mozilla:firefox:3.6.17:*:*:*:*:*:*:*3.6.17VulnerableMozilla
cpe:2.3:a:mozilla:firefox:3.6.18:*:*:*:*:*:*:*3.6.18VulnerableMozilla
cpe:2.3:a:mozilla:firefox:3.6.19:*:*:*:*:*:*:*3.6.19VulnerableMozilla
cpe:2.3:a:mozilla:firefox:3.6.20:*:*:*:*:*:*:*3.6.20VulnerableMozilla
cpe:2.3:a:mozilla:firefox:3.6.21:*:*:*:*:*:*:*3.6.21VulnerableMozilla
cpe:2.3:a:mozilla:firefox:3.6.22:*:*:*:*:*:*:*3.6.22VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:3.6.12:*:*:*:*:*:*:* Versions 3.6.12 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:3.6.13:*:*:*:*:*:*:* Versions 3.6.13 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:3.6.14:*:*:*:*:*:*:* Versions 3.6.14 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:3.6.15:*:*:*:*:*:*:* Versions 3.6.15 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:3.6.16:*:*:*:*:*:*:* Versions 3.6.16 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:3.6.17:*:*:*:*:*:*:* Versions 3.6.17 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:3.6.18:*:*:*:*:*:*:* Versions 3.6.18 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:3.6.19:*:*:*:*:*:*:* Versions 3.6.19 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:3.6.20:*:*:*:*:*:*:* Versions 3.6.20 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:3.6.21:*:*:*:*:*:*:* Versions 3.6.21 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:firefox:3.6.22:*:*:*:*:*:*:* Versions 3.6.22 Vulnerable ·Mozilla

Remediation

Red Hat 4 advisories

  • RHSA-2011:1344 Released 2011-09-28 · Red Hat rating Critical
    seamonkey security update
    • Red Hat Enterprise Linux AS version 4 seamonkey-1.0.9-76.el4, seamonkey-1.0.9-76.el4.i386, seamonkey-1.0.9-76.el4.ia64 +21
    • Red Hat Enterprise Linux Desktop version 4 seamonkey-1.0.9-76.el4, seamonkey-1.0.9-76.el4.i386, seamonkey-chat-1.0.9-76.el4 +9
    • Red Hat Enterprise Linux ES version 4 seamonkey-1.0.9-76.el4, seamonkey-1.0.9-76.el4.i386, seamonkey-1.0.9-76.el4.ia64 +15
    • Red Hat Enterprise Linux WS version 4 seamonkey-1.0.9-76.el4, seamonkey-1.0.9-76.el4.i386, seamonkey-1.0.9-76.el4.ia64 +15
  • RHSA-2011:1341 Released 2011-09-28 · Red Hat rating Critical
    firefox security update
    • RHEL Desktop Workstation (v. 5 client) xulrunner-1.9.2.23-1.el5_7, xulrunner-devel-1.9.2.23-1.el5_7, xulrunner-devel-1.9.2.23-1.el5_7.i386
    • Red Hat Enterprise Linux (v. 5 server) firefox-3.6.23-2.el5_7, firefox-3.6.23-2.el5_7.i386, firefox-3.6.23-2.el5_7.ia64 +9
    • Red Hat Enterprise Linux AS version 4 firefox-3.6.23-1.el4, firefox-3.6.23-1.el4.i386, firefox-3.6.23-1.el4.ia64 +1
    • Red Hat Enterprise Linux Desktop (v. 5 client) firefox-3.6.23-2.el5_7, firefox-3.6.23-2.el5_7.i386, xulrunner-1.9.2.23-1.el5_7 +1
    • Red Hat Enterprise Linux Desktop version 4 firefox-3.6.23-1.el4, firefox-3.6.23-1.el4.i386
    • Red Hat Enterprise Linux ES version 4 firefox-3.6.23-1.el4, firefox-3.6.23-1.el4.i386, firefox-3.6.23-1.el4.ia64
    • Red Hat Enterprise Linux Server (v. 6) firefox-3.6.23-2.el6_1, firefox-3.6.23-2.el6_1.ppc, xulrunner-1.9.2.23-1.el6_1.1 +1
    • Red Hat Enterprise Linux Server Optional (v. 6) xulrunner-1.9.2.23-1.el6_1.1, xulrunner-devel-1.9.2.23-1.el6_1.1, xulrunner-devel-1.9.2.23-1.el6_1.1.ppc
    • Red Hat Enterprise Linux WS version 4 firefox-3.6.23-1.el4, firefox-3.6.23-1.el4.i386, firefox-3.6.23-1.el4.ia64
  • RHSA-2011:1343 Released 2011-09-28 · Red Hat rating Critical
    thunderbird security update
    • RHEL Optional Productivity Applications (v. 5 server) thunderbird-2.0.0.24-26.el5_7, thunderbird-2.0.0.24-26.el5_7.i386
    • Red Hat Enterprise Linux AS version 4 thunderbird-1.5.0.12-44.el4, thunderbird-1.5.0.12-44.el4.i386, thunderbird-1.5.0.12-44.el4.ia64 +1
    • Red Hat Enterprise Linux Desktop (v. 5 client) thunderbird-2.0.0.24-26.el5_7, thunderbird-2.0.0.24-26.el5_7.i386
    • Red Hat Enterprise Linux Desktop version 4 thunderbird-1.5.0.12-44.el4, thunderbird-1.5.0.12-44.el4.i386
    • Red Hat Enterprise Linux ES version 4 thunderbird-1.5.0.12-44.el4, thunderbird-1.5.0.12-44.el4.i386, thunderbird-1.5.0.12-44.el4.ia64
    • Red Hat Enterprise Linux WS version 4 thunderbird-1.5.0.12-44.el4, thunderbird-1.5.0.12-44.el4.i386, thunderbird-1.5.0.12-44.el4.ia64
Show 1 more Red Hat advisories
  • RHSA-2011:1342 Released 2011-09-28 · Red Hat rating Critical
    thunderbird security update
    • Red Hat Enterprise Linux Server Optional (v. 6) thunderbird-3.1.15-1.el6_1

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-2011:1341
RHEL Optional Productivity Applications (v. 5 server)Fixed RHSA-2011:1343
Red Hat Enterprise Linux (v. 5 server)Fixed RHSA-2011:1341
Red Hat Enterprise Linux AS version 4Fixed RHSA-2011:1341, RHSA-2011:1343, RHSA-2011:1344
Red Hat Enterprise Linux Desktop (v. 5 client)Fixed RHSA-2011:1341, RHSA-2011:1343
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2011:1341, RHSA-2011:1343, RHSA-2011:1344
Red Hat Enterprise Linux ES version 4Fixed RHSA-2011:1341, RHSA-2011:1343, RHSA-2011:1344
Red Hat Enterprise Linux Server (v. 6)Fixed RHSA-2011:1341
Red Hat Enterprise Linux Server Optional (v. 6)Fixed RHSA-2011:1341, RHSA-2011:1342
Red Hat Enterprise Linux WS version 4Fixed RHSA-2011:1341, RHSA-2011:1343, RHSA-2011:1344

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-2998
  2. 2026-10-03 Alias added: GHSA-2rjf-9fvj-83c2

References

Advisory 9

Other 2

  • 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