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CVE 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...

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 arbitrary code via unspecified method calls that attempt to access freed objects in low-memory situations.

UnknownCVSS not scoredNot KEV-listedUpdated
Glexia's TakeAutomated analysis

Security readout for executives and security teams

This is an old Mozilla browser and mail-client memory safety flaw. On affected versions, a remote attacker could potentially run code when the HTML parser mishandles freed memory in low-memory conditions. Business urgency is mainly for environments still running legacy Firefox, Thunderbird, SeaMonkey, or old Linux distribution packages. Exposure is most likely in legacy desktops, lab systems, embedded workstations, or archived Linux images that still carry Mozilla-era packages from before the 2010 vendor updates. Modern supported releases are not identified as affected in the supplied sources. Prioritize remediation if any legacy Mozilla clients remain in business workflows or isolated operational environments. The issue enables remote code execution, but the supplied evidence does not show active exploitation. Mitigation focus: Upgrade Firefox, Thunderbird, and SeaMonkey to versions at or beyond the fixed releases.; Apply relevant Linux vendor security updates from Mozilla, Ubuntu, Red Hat, Debian, Fedora, or SUSE.; Remove unsupported Mozilla clients from production systems where upgrades are not possible..

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Potential ATT&CK relevance

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CVE-2009-1571 mapping review

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Vulnerability profileCVE Program record
Severity
Unknown
CVSS
Not scored
Known Exploited
No
Published
Official CVE source material

CNA and ADP enrichment extracted from CVE v5

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0CVSS vectors
0Timeline events
0ADP providers
5Source links

CVSS and timeline data

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Source materials

Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
n/an/an/aListed
Weakness

CWE details

No CWE listed

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