CVE-2009-3627: n/a vulnerability

CVE-2009-3627: The decode_entities function in util.c in HTML-Parser before 3.63 allows context-dependent attackers to cau...

The decode_entities function in util.c in HTML-Parser before 3.63 allows context-dependent attackers to cause a denial of service (infinite loop) via an incomplete SGML numeric character reference, which triggers generation of an invalid UTF-8 character.

UnknownCVSS not scoredNot KEV-listedUpdatedAug 7, 2024, 06:38 UTC (UTC+00:00)

Security readout for executives and security teams

This vulnerability can make software that uses HTML-Parser before version 3.63 hang while processing certain malformed character references. The business impact is denial of service: affected services may consume CPU or stall when handling untrusted HTML-like input. Exposure is most likely in applications or packaged software that include HTML-Parser versions earlier than 3.63 and parse untrusted email, web, feed, or document content. The provided CVE metadata does not enumerate specific affected products beyond HTML-Parser. Treat as a moderate availability risk. Prioritize remediation where email, web, or document-processing services parse untrusted content, especially internet-facing or high-volume systems. Lower priority for isolated tools processing trusted input only. Mitigation focus: Upgrade HTML-Parser to version 3.63 or later.; Check operating system and application vendor advisories for packaged fixes.; Identify downstream products bundling or depending on vulnerable HTML-Parser versions..

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

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Vulnerability profileCVE Program record

Severity: Unknown
CVSS: Not scored
Known Exploited: No
Published: Oct 29, 2009, 14:00 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

4Source 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
htmlparser-decodeentities-dos(53941)CVE reference · vdb-entry, x_refsource_XF
https://bugzilla.redhat.com/show_bug.cgi?id=530604CVE reference · x_refsource_CONFIRM
https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6225CVE reference · x_refsource_CONFIRM

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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