CVE-2009-3627
MEDIUM · CVSS 4.3EPSS 1.7%EU EUVD
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.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-20
- EPSS score
- 1.7% (78th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-3608)
- Published
- October 29, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-3608 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- derrick oswald / html-parser
- derrick oswald / html-parser
- derrick oswald / html-parser
- derrick oswald / html-parser
- derrick oswald / html-parser
- derrick oswald / html-parser
- derrick oswald / html-parser
- derrick oswald / html-parser
- derrick oswald / html-parser
- derrick oswald / html-parser
References
- http://github.com/gisle/html-parser/commit/b9aae1e43eb2c8e989510187cff0ba3e996f9a4c
- http://secunia.com/advisories/37155(Vendor Advisory)
- http://www.openwall.com/lists/oss-security/2009/10/23/9(Patch)
- http://www.securityfocus.com/bid/36807(Patch)
- http://www.vupen.com/english/advisories/2009/3022(Patch, Vendor Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=530604
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53941
- https://issues.apache.org/SpamAssassin/show_bug.cgi?id=6225(Patch)
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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