Predictive Vulnerability Intelligence.

Product

  • Product
  • Pricing
  • Documentation

Company

  • About
  • Partnerships
  • Blog
  • Support

Legal

  • Terms
  • Privacy
  • Data Licensing

© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2012-0452

24
FAUCET Score

CVE-2012-0452 describes a use-after-free vulnerability in Mozilla Firefox 10.x, Thunderbird 10.x, and SeaMonkey 2.7. This flaw, related to the cycle collector accessing a stale XBL binding, can lead to a denial of service (application crash) or potentially arbitrary code execution. With a CVSS score of 7.5, it is considered highly severe, requiring no authentication and having low attack complexity. There is no evidence of active exploitation, publicly available exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
10.0CPE matchmatch criteria
cpe:2.3:a:mozilla:firefox:10.0:*:*:*:*:*:*:*
10.0CPE matchmatch criteria
cpe:2.3:a:mozilla:thunderbird:10.0:*:*:*:*:*:*:*
2.7CPE matchmatch criteria
cpe:2.3:a:mozilla:seamonkey:2.7:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

7.5HIGH

AV:N/AC:L/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Exploitability Score
10.0
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.08%
Probability of exploitation in next 30 days
EPSS Percentile
86.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0308 is in the 76th percentile among its peer group of 51,506 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Advisories (1)

redhatCVE-2012-0452Critical

firefox: use-after-free in nsXBLDocumentInfo::ReadPrototypeBindings (MFSA 2012-10)

Feb 10, 2012

References

lists.opensuse.org / opensuse-security-announce/2012-02/msg00012.html
lists.opensuse.org / opensuse-security-announce/2012-02/msg00013.html
bugzilla.mozilla.org / show_bug.cgi
secunia.com / advisories/48110
secunia.com / advisories/49055
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A15017
mandriva.com / security/advisories
mandriva.com / security/advisories
mozilla.org / security/announce/2012/mfsa2012-10.html
securityfocus.com / bid/51975
ubuntu.com / usn/USN-1360-1