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TI-2006-00727 Aliases CVE-2006-0749GHSA-pwcc-x4h8-g74h

nsHTMLContentSink.cpp in Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before…

Priority MEDIUM 53CWE-399Published · 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-399 and the CVSS impact.

Summary

nsHTMLContentSink.cpp in Mozilla Firefox and Thunderbird 1.x before 1.5 and 1.0.x before 1.0.8, Mozilla Suite before 1.7.13, and SeaMonkey before 1.0 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via unknown vectors involving a "particular sequence of HTML tags" that leads to memory corruption.

Why it matters now

EPSS 0.10487 95th percentileScored 2026-11-07
Fix Fixed Red Hat: 3 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 · 4

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:*1.0 to before 1.5VulnerableMozilla
cpe:2.3:a:mozilla:mozilla_suite:*:*:*:*:*:*:*:*before 1.7.13VulnerableMozilla
cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:*before 1.0VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:*1.0 to before 1.0.8VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* Versions 1.0 to before 1.5 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:mozilla_suite:*:*:*:*:*:*:*:* Versions before 1.7.13 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* Versions before 1.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* Versions 1.0 to before 1.0.8 Vulnerable ·Mozilla

Remediation

Red Hat 3 advisories

  • RHSA-2006:0330 Released 2006-04-21 · Red Hat rating Critical
    thunderbird security update
    • Red Hat Enterprise Linux AS version 4 thunderbird-1.0.8-1.4.1, thunderbird-1.0.8-1.4.1.i386, thunderbird-1.0.8-1.4.1.ia64 +1
    • Red Hat Enterprise Linux Desktop version 4 thunderbird-1.0.8-1.4.1, thunderbird-1.0.8-1.4.1.i386
    • Red Hat Enterprise Linux ES version 4 thunderbird-1.0.8-1.4.1, thunderbird-1.0.8-1.4.1.i386, thunderbird-1.0.8-1.4.1.ia64
    • Red Hat Enterprise Linux WS version 4 thunderbird-1.0.8-1.4.1, thunderbird-1.0.8-1.4.1.i386, thunderbird-1.0.8-1.4.1.ia64
  • RHSA-2006:0329 Released 2006-04-18 · Red Hat rating Critical
    mozilla security update
    • Red Hat Enterprise Linux AS version 4 devhelp-0.9.2-2.4.8, devhelp-0.9.2-2.4.8.i386, devhelp-0.9.2-2.4.8.ppc +3
    • Red Hat Enterprise Linux Desktop version 4 devhelp-0.9.2-2.4.8, devhelp-0.9.2-2.4.8.i386, devhelp-devel-0.9.2-2.4.8 +1
    • Red Hat Enterprise Linux ES version 4 devhelp-0.9.2-2.4.8, devhelp-0.9.2-2.4.8.i386, devhelp-devel-0.9.2-2.4.8 +1
    • Red Hat Enterprise Linux WS version 4 devhelp-0.9.2-2.4.8, devhelp-0.9.2-2.4.8.i386, devhelp-devel-0.9.2-2.4.8 +1
  • RHSA-2006:0328 Released 2006-04-14 · Red Hat rating Critical
    firefox security update
    • Red Hat Enterprise Linux AS version 4 firefox-1.0.8-1.4.1, firefox-1.0.8-1.4.1.i386, firefox-1.0.8-1.4.1.ia64 +1
    • Red Hat Enterprise Linux Desktop version 4 firefox-1.0.8-1.4.1, firefox-1.0.8-1.4.1.i386
    • Red Hat Enterprise Linux ES version 4 firefox-1.0.8-1.4.1, firefox-1.0.8-1.4.1.i386, firefox-1.0.8-1.4.1.ia64
    • Red Hat Enterprise Linux WS version 4 firefox-1.0.8-1.4.1, firefox-1.0.8-1.4.1.i386, firefox-1.0.8-1.4.1.ia64

Vendor assessments

Red Hat

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

ProductStatusPlan or fix
Red Hat Enterprise Linux AS version 4Fixed RHSA-2006:0328, RHSA-2006:0329, RHSA-2006:0330
Red Hat Enterprise Linux Desktop version 4Fixed RHSA-2006:0328, RHSA-2006:0329, RHSA-2006:0330
Red Hat Enterprise Linux ES version 4Fixed RHSA-2006:0328, RHSA-2006:0329, RHSA-2006:0330
Red Hat Enterprise Linux WS version 4Fixed RHSA-2006:0328, RHSA-2006:0329, RHSA-2006:0330

Timeline

  1. 2026-10-02 Threatist record created from CVE-2006-0749
  2. 2026-10-03 Alias added: GHSA-pwcc-x4h8-g74h

References

Advisory 31

  • 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