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01 Record

CVE-2011-2378

The appendChild function in Mozilla Firefox before 3.6.20, Thunderbird 3.x before 3.1.12, SeaMonkey 2.x, and possibly other products does not properly handle DOM objects, which allows remote attackers

UnratedPUBLISHEDCNA: mitre
CNA base scoreUnratedNo CNA CVSS vector

02 Description

The appendChild function in Mozilla Firefox before 3.6.20, Thunderbird 3.x before 3.1.12, SeaMonkey 2.x, and possibly other products does not properly handle DOM objects, which allows remote attackers

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
5.60% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 92.8% of scored records. A rank, not a probability.
NVD base score
The NVD has published no score for this record
NVD CVSS vector
No NVD score to derive
NVD analysis status
Modified. NVD last modified this record on 2026-06-16.
Red Hat severity
Critical. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2011-08-18 18:00Z15 YR AGO
Last updated
2024-08-06 23:00Z2 YR AGO
Reserved
2011-06-03
Assigning CNA
mitre
Record state
PUBLISHED
Severity
Not rated by the issuing CNA
CNA CVSS vector
Not published by the issuing CNA
Weaknesses
  • CWE-94Improper Control of Generation of Code ('Code Injection')Base
Data version
5.1
Document digest
f0e38bc1627357fbdc7efdafa57e7e4b78b4c2d8ccec95cfb1d8ef4205922635

05 Affected products

VendorProductVersionsPlatforms
mozillafirefoxNot specified—
mozillaseamonkeyNot specified—
mozillathunderbirdNot specified—
redhatenterprise_linuxNot specified—

06 References