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CVE-2012-3421
The pduread function in pdu.c in libpcp in Performance Co-Pilot (PCP) before 3.6.5 does not properly time out connections, which allows…
- 5.0MediumCVSS base score
- 3.4%Exploitation in 30 daysEPSS · top 11% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
The pduread function in pdu.c in libpcp in Performance Co-Pilot (PCP) before 3.6.5 does not properly time out connections, which allows remote attackers to cause a denial of service (pmcd hang) by sending individual bytes of a PDU separately, related to an "event-driven programming flaw."
Timeline
ID reserved
By redhat
- 2 months later
· 2 months later
Published
- 12 years later
· 12 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)
- 3.4% · top 11% of all CVEs (9 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
11
- http://oss.sgi.com/cgi-bin/gitweb.cgi?p=pcp/pcp.git%3Ba=blob%3Bf=CHANGELOG%3Bh=16c9cbb2f61d909487ea1c3171f4ab33e5648ac5%3Bhb=fe51067ae869a4d59f350ac319b09edcb77ac8e6 (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2012:1079 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- openSUSE-SU-2012:1081 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- [oss-security] 20120816 pcp: Multiple security flaws (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://oss.sgi.com/cgi-bin/gitweb.cgi?p=pcp/pcp.git%3Ba=commit%3Bh=9ba85dca940de976176ce196fd5e3c4170936354 (opens in a new tab)x_refsource_CONFIRMx_transferred
- FEDORA-2012-12076 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- openSUSE-SU-2012:1036 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- FEDORA-2012-12024 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=841706 (opens in a new tab)x_refsource_MISCx_transferred
- SUSE-SU-2013:0190 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- DSA-2533 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_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-2012-3391 (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-2012-3421)Record last updated .