CVE-2008-5052: n/a vulnerability

CVE-2008-5052: The AppendAttributeValue function in the JavaScript engine in Mozilla Firefox 2.x before 2.0.0.18, Thunderb...

The AppendAttributeValue function in the JavaScript engine in Mozilla Firefox 2.x before 2.0.0.18, Thunderbird 2.x before 2.0.0.18, and SeaMonkey 1.x before 1.1.13 allows remote attackers to cause a denial of service (crash) via unknown vectors that trigger memory corruption, as demonstrated by e4x/extensions/regress-410192.js.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 10:40 UTC (UTC+00:00)

Security readout for executives and security teams

CVE-2008-5052 is an old Mozilla JavaScript engine flaw that could let a remote attacker crash affected Firefox, Thunderbird, or SeaMonkey versions. The business risk is mainly legacy exposure: unsupported browsers or mail clients still present on endpoints, kiosks, labs, or old virtual machines. Exposure is unlikely in current managed fleets, but possible where legacy Mozilla clients remain installed or usable. Browser and mail-client contexts matter because remote content can reach JavaScript-capable parsing paths. Treat this as a legacy hygiene issue, not an emergency, unless old Mozilla clients are still operational in the environment. Prioritize removal or upgrade during endpoint cleanup. Mitigation focus: Upgrade Firefox to 2.0.0.18 or later if legacy 2.x is present.; Upgrade Thunderbird to 2.0.0.18 or later if legacy 2.x is present.; Upgrade SeaMonkey to 1.1.13 or later if legacy 1.x is present..

Prepared: Jun 28, 2026, 18:15 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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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Nov 13, 2008, 11:00 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
oval:org.mitre.oval:def:9449CVE reference · vdb-entry, signature
https://bugzilla.mozilla.org/show_bug.cgi?id=454113CVE reference · x_refsource_MISC

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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