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."
Published Aug 27, 2012
5.0
MEDIUMCVSS 2.0
EPSS 3.31%
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."
Affected products
No data.
- ≤ 3.6.4
- 2.1.1
- 2.1.2
- 2.1.3
- 2.1.4
- 2.1.5
- 2.1.6
- 2.1.7
- 2.1.8
- 2.1.9
- 2.1.10
- 2.1.11
- 2.2
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (8 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.31% (0.03305) | 88.13th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.33% (0.03332) | 87.01th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.77% (0.01774) | 81.44th | v4 (v2025.03.14) |
| Dec 12, 2024 | 4.90% (0.04897) | 93.08th | v3 (v2023.03.01) |
| Mar 7, 2023 | 4.90% (0.04897) | 91.51th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.17% (0.02172) | 80.77th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.17% (0.02172) | 78.91th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.17% (0.02172) | 57.73th | v2 (v2022.01.01) |
No CWE recorded.
References (11)
- http://lists.fedoraproject.org/pipermail/package-announce/2012-August/085324.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2012-August/085333.html vendor-advisoryx_refsource_FEDORA
- http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00024.html vendor-advisoryx_refsource_SUSE
- http://oss.sgi.com/cgi-bin/gitweb.cgi?p=pcp/pcp.git%3Ba=blob%3Bf=CHANGELOG%3Bh=16c9cbb2f61d909487ea1c3171f4ab33e5648ac5%3Bhb=fe51067ae869a4d59f350ac319b09edcb77ac8e6 x_refsource_CONFIRM
- http://oss.sgi.com/cgi-bin/gitweb.cgi?p=pcp/pcp.git%3Ba=commit%3Bh=9ba85dca940de976176ce196fd5e3c4170936354 x_refsource_CONFIRM
- http://www.debian.org/security/2012/dsa-2533 vendor-advisoryx_refsource_DEBIAN
- http://www.openwall.com/lists/oss-security/2012/08/16/1 mailing-listx_refsource_MLIST
- https://bugzilla.redhat.com/show_bug.cgi?id=841706 x_refsource_MISC
- https://hermes.opensuse.org/messages/15471040 vendor-advisoryx_refsource_SUSE
- https://hermes.opensuse.org/messages/15540133 vendor-advisoryx_refsource_SUSE
- https://hermes.opensuse.org/messages/15540172 vendor-advisoryx_refsource_SUSE
Change history (0)
No recorded changes yet.