CVE-2011-3659: n/a vulnerability

CVE-2011-3659: Use-after-free vulnerability in Mozilla Firefox before 3.6.26 and 4.x through 9.0, Thunderbird before 3.1.1...

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.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 6, 2024, 23:46 UTC (UTC+00:00)

Security readout for executives and security teams

This is an old Mozilla memory-safety flaw that could let an attacker run code when a vulnerable client processes malicious content. It affects legacy Firefox, Thunderbird, and SeaMonkey releases named in the CVE record. Business urgency depends on whether those unsupported versions still exist in the environment. Exposure is most likely on legacy desktops, jump hosts, lab systems, or older Linux builds retaining the affected Mozilla packages. Current supported browser and mail-client fleets are not shown affected by the provided sources. Treat as high priority only where legacy Mozilla clients remain. The issue enables possible remote code execution, but it is from 2012 and no active exploitation is cited in the provided sources. Mitigation focus: Upgrade affected Mozilla products to fixed or currently supported releases.; Prioritize systems running legacy Firefox, Thunderbird, or SeaMonkey builds.; Review SUSE, openSUSE, Mandriva, and Mozilla advisories for package-specific fixes..

Prepared: Jun 27, 2026, 17:28 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

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ATT&CK lookup starting points

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description · low confidence lookup

Execution behavior lookup

The CVE wording references code or command execution, so execution technique review may help defensive triage. This is a Glexia inferred lookup path, not an official MITRE, ATT&CK, or CVE Program mapping.

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cve · low confidence lookup

CVE-2011-3659 mapping review

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Feb 1, 2012, 16:00 UTC (UTC+00:00)

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

0CVSS vectors

0Timeline events

0ADP providers

3Source links

CVSS and timeline data

No CVSS vectors or timeline events were available in the normalized CVE source material.

Source materials

CVE List V5 sourceCVE List V5
https://bugzilla.mozilla.org/show_bug.cgi?id=708198CVE reference · x_refsource_CONFIRM
oval:org.mitre.oval:def:14697CVE reference · vdb-entry, signature

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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