Double free vulnerability in the ssh_packet_kexinit function in kex.c in libssh 0.5.x and 0.6.x before 0.6.4 allows remote attackers to cause a denial of service via a crafted kexinit packet
Published Dec 29, 2014
5.0
MEDIUMCVSS 2.0
EPSS 5.15%
Description
Double free vulnerability in the ssh_packet_kexinit function in kex.c in libssh 0.5.x and 0.6.x before 0.6.4 allows remote attackers to cause a denial of service via a crafted kexinit packet.
Affected products
No data.
Configuration 1
- 0.5.0
- 0.5.2
- 0.5.3
- 0.5.4
- 0.5.5
- 0.6.0
- 0.6.1
- 0.6.2
- 0.6.3
Configuration 2
- 7.0
- 8.0
Configuration 3
Configuration 4
- 19
- 20
- 21
Configuration 5
- 12.04
- 14.04
- 14.10
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 2, 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 (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 5.15% (0.05145) | 92.16th | v5 (v2026.06.15) |
| Jun 15, 2026 | 5.15% (0.05145) | 91.31th | v5 (v2026.06.15) |
| Mar 17, 2025 | 2.78% (0.02784) | 85.12th | v4 (v2025.03.14) |
| Dec 17, 2024 | 7.29% (0.07294) | 94.00th | v3 (v2023.03.01) |
| Nov 10, 2024 | 9.31% (0.09315) | 94.90th | v3 (v2023.03.01) |
| Aug 10, 2024 | 12.61% (0.12609) | 95.55th | v3 (v2023.03.01) |
| Jun 24, 2024 | 16.29% (0.16286) | 96.03th | v3 (v2023.03.01) |
| Mar 7, 2023 | 16.95% (0.16951) | 95.17th | 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 (12)
- http://advisories.mageia.org/MGASA-2015-0014.html x_refsource_CONFIRMThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147367.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147452.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.fedoraproject.org/pipermail/package-announce/2015-January/147464.html vendor-advisoryx_refsource_FEDORAThird Party Advisory
- http://lists.opensuse.org/opensuse-updates/2015-01/msg00007.html vendor-advisoryx_refsource_SUSEThird Party Advisory
- http://secunia.com/advisories/60838 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2016/dsa-3488 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.libssh.org/2014/12/19/libssh-0-6-4-security-and-bugfix-release/ x_refsource_CONFIRMPatchVendor Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2015:020 vendor-advisoryx_refsource_MANDRIVAThird Party Advisory
- http://www.ubuntu.com/usn/USN-2478-1 vendor-advisoryx_refsource_UBUNTUThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1158089 x_refsource_CONFIRMIssue TrackingThird Party AdvisoryVDB Entry
- https://security.gentoo.org/glsa/201606-12 vendor-advisoryx_refsource_GENTOOThird Party Advisory
Change history (0)
No recorded changes yet.