Read the docs
TI-2012-00405 Aliases CVE-2012-0452GHSA-x4p8-2whm-cxpq

Use-after-free vulnerability in Mozilla Firefox 10.x before 10.0.1, Thunderbird 10.x…

Priority LOW 38CWE-399Published · 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
Partial · Partial · Partial
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.

Summary

Use-after-free vulnerability in Mozilla Firefox 10.x before 10.0.1, Thunderbird 10.x before 10.0.1, and SeaMonkey 2.7 allows remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors that trigger failure of an nsXBLDocumentInfo::ReadPrototypeBindings function call, related to the cycle collector's access to a hash table containing a stale XBL binding.

Why it matters now

EPSS 0.0304 87th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

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 · 3

CPEVersionsRoleVendor
cpe:2.3:a:mozilla:firefox:10.0:*:*:*:*:*:*:*10.0VulnerableMozilla
cpe:2.3:a:mozilla:thunderbird:10.0:*:*:*:*:*:*:*10.0VulnerableMozilla
cpe:2.3:a:mozilla:seamonkey:2.7:*:*:*:*:*:*:*2.7VulnerableMozilla
  • cpe:2.3:a:mozilla:firefox:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:thunderbird:10.0:*:*:*:*:*:*:* Versions 10.0 Vulnerable ·Mozilla
  • cpe:2.3:a:mozilla:seamonkey:2.7:*:*:*:*:*:*:* Versions 2.7 Vulnerable ·Mozilla

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

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

Not affected: 2 products
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2012-0452
  2. 2026-10-03 Alias added: GHSA-x4p8-2whm-cxpq

References

Advisory 5

Other 3

  • 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