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CVE-2010-0639
The htcpHandleTstRequest function in htcp.c in Squid 2.x before 2.6.STABLE24 and 2.7 before 2.7.STABLE8, and htcp.cc in 3.0 before…
- 5.0MediumCVSS base score
- 31.1%Exploitation in 30 daysEPSS · top 1.7% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The htcpHandleTstRequest function in htcp.c in Squid 2.x before 2.6.STABLE24 and 2.7 before 2.7.STABLE8, and htcp.cc in 3.0 before 3.0.STABLE24, allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via crafted packets to the HTCP port.
Timeline
ID reserved
By mitre
Published
- 14 years later
· 14 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 31.1% · top 1.7% of all CVEs (11 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Affected products
n/a
- affected n/a
References
References12
- FEDORA-2010-2434 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 62297 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- http://www.squid-cache.org/Advisories/SQUID-2010_2.txt (opens in a new tab)x_refsource_CONFIRMx_transferred
- ADV-2010-0371 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- FEDORA-2010-3064 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- ADV-2010-0603 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 38812 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.squid-cache.org/Versions/v3/3.0/changesets/3.0-ADV-2010_2.patch (opens in a new tab)x_refsource_MISCx_transferred
- http://bugs.squid-cache.org/show_bug.cgi?id=2858 (opens in a new tab)x_refsource_MISCx_transferred
- 38212 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 1023587 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- http://www.squid-cache.org/Versions/v2/2.7/changesets/12600.patch (opens in a new tab)x_refsource_MISCx_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)
- EUVD EUVD-2010-0670 (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://cveledger.app/cve/CVE-2010-0639)Record last updated .