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CVE-2009-3627
The decode_entities function in util.c in HTML-Parser before 3.63 allows context-dependent attackers to cause a denial of service…
Medium4.3EPSS 1.7%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 1.7% · top 22% of all CVEs (6 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Weakness
Affected products
n/a
- affected n/a
References (8)
- ADV-2009-3022 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- [oss-security] 20091023 CVE-2009-3627 assignment notification - HTML-Parser-3.63 (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- htmlparser-decodeentities-dos(53941) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=530604 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 36807 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 37155 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6225 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://github.com/gisle/html-parser/commit/b9aae1e43eb2c8e989510187cff0ba3e996f9a4c (opens in a new tab)x_refsource_CONFIRMx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2009-3627)Record last updated .