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01 Record

CVE-2009-1571

Use-after-free vulnerability in the HTML parser in Mozilla Firefox 3.0.x before 3.0.18 and 3.5.x before 3.5.8, Thunderbird before 3.0.2, and SeaMonkey before 2.0.3 allows remote attackers to execute

UnratedPUBLISHEDCNA: flexera
CNA base scoreUnratedNo CNA CVSS vector
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02 Description

Use-after-free vulnerability in the HTML parser in Mozilla Firefox 3.0.x before 3.0.18 and 3.5.x before 3.5.8, Thunderbird before 3.0.2, and SeaMonkey before 2.0.3 allows remote attackers to execute

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
6.51% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 93.5% 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
2010-02-21 17:00Z16 YR AGO
Last updated
2024-08-07 05:20Z2 YR AGO
Reserved
2009-05-06
Assigning CNA
flexera
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
bdc8e076dcac2fe8ff3ce593a804ae3b6794f35298cfbb0acdfe3ddd0ae66589

05 Affected products

VendorProductVersionsPlatforms
mozillafirefoxNot specified—
mozillaseamonkeyNot specified—
redhatenterprise_linuxNot specified—

06 References