CVE-2011-3659: mozilla firefox Use After Free
Vulnerability summary
CVE-2011-3659 is a high (CVSS 9.3) Use After Free vulnerability in mozilla firefox. EPSS estimates a 36.82% chance of exploitation in the next 30 days, higher than 98.4% of scored vulnerabilities. 3 public exploits are recorded.
Advisory lineage
Upstream 0 · Downstream 5 · Related 3Timeline
- 01-02-2012PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Use-after-free vulnerability in Mozilla Firefox before 3.6.26 and 4.x through 9.0, Thunderbird before 3.1.18 and 5.0 through 9.0, and SeaMonkey before 2.7 might allow remote attackers to execute arbitrary code via vectors related to incorrect AttributeChildRemoved notifications that affect access to removed nsDOMAttribute child nodes.
CVSS metrics
1 score · 1 source · 1 versionEPSS trend
Probability
36.82%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
0.00 pp
From 36.82% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
3 foundExploit Reference (bugzilla.mozilla.org)
Maturity: unknown
Mozilla Firefox 8/9 - 'AttributeChildRemoved()' Use-After-Free (Metasploit)
Maturity: weaponized
Firefox 8/9 AttributeChildRemoved() Use-After-Free
exploit/windows/browser/mozilla_attribchildremoved
Maturity: poc
Weaknesses
CWE · root causeAffected systems
Mozilla3 products
- firefox< 3.6.26 | ≥ 4.0, < 10.0
- seamonkey< 2.7
- thunderbird< 3.1.18 | ≥ 5.0, < 10.0
Suse3 products
- linux_enterprise_desktop10:sp4 | 11:sp1
- linux_enterprise_server10:sp4 | 11:sp1
- linux_enterprise_software_development_kit10:sp4 | 11:sp1
Opensuse1 product
- opensuseEOL11.4
3 vendors · 7 products
References
7 links- bugzilla.mozilla.org/show_bug.cgi?id=708198X Refsource CONFIRMExploitIssue TrackingPatchVendor Advisory
- lists.opensuse.org/opensuse-security-announce/2012-02/msg00003.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- www.mandriva.com/security/advisories?name=MDVSA-2012:013Vendor AdvisoryX Refsource MANDRIVAThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2012-02/msg00007.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14697VDB EntrySignatureX Refsource OVALThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2012-02/msg00011.htmlVendor AdvisoryX Refsource SUSEMailing ListThird Party Advisory