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CVE-2011-3659

HIGH · CVSS 9.3EPSS 36.8%EU EUVD

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.

Key facts

CVSS score
9.3 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE)
CWE-416
EPSS score
36.8% (99th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2011-3618)
Published
February 1, 2012
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-3618 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

  • mozilla / firefox
  • mozilla / seamonkey
  • mozilla / thunderbird
  • opensuse / opensuse
  • suse / linux enterprise desktop
  • suse / linux enterprise desktop
  • suse / linux enterprise server
  • suse / linux enterprise server
  • suse / linux enterprise server
  • suse / linux enterprise software development kit
  • suse / linux enterprise software development kit

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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