HIGH
libreswan: DoS when receiving an IKE transforn containing AES_XCBC
Published Apr 18, 2016
7.5
HIGHCVSS 3.0
EPSS 2.56%
Description
Libreswan 3.16 might allow remote attackers to cause a denial of service (daemon restart) via an IKEv2 aes_xcbc transform.
Affected products
No data.
Configuration 2
OR
- 23
- 24
No data.
Red Hat Enterprise Linux 7
libreswan
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | libreswan | Not affected | n/a |
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.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.56% 0.02558
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02558
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.56% (0.02558) | 84.52th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.56% (0.02558) | 82.99th | v5 (v2026.06.15) |
| Mar 30, 2025 | 1.04% (0.01039) | 75.42th | v4 (v2025.03.14) |
| Mar 29, 2025 | 2.53% (0.02525) | 75.66th | v4 (v2025.03.14) |
| Mar 17, 2025 | 1.12% (0.01123) | 76.75th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.54% (0.00540) | 78.06th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.54% (0.00540) | 76.60th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.54% (0.00540) | 73.78th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.21% (0.01213) | 66.61th | v2 (v2022.01.01) |
| Feb 17, 2023 | 1.21% (0.01213) | 66.22th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.21% (0.01213) | 64.21th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.21% (0.01213) | 40.54th | v2 (v2022.01.01) |
Weaknesses (2)
References (10)
- http://download.libreswan.org/CHANGES x_refsource_CONFIRM
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182050.html vendor-advisoryx_refsource_FEDORA
- http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182130.html vendor-advisoryx_refsource_FEDORA
- http://www.securityfocus.com/bid/87295 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2016-3071 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1327957 Issue Tracking
- https://libreswan.org/security/CVE-2016-3071/CVE-2016-3071.txt x_refsource_CONFIRMVendor Advisory
- https://lists.libreswan.org/pipermail/swan-announce/2016/000019.html
- https://nvd.nist.gov/vuln/detail/CVE-2016-3071
- https://www.cve.org/CVERecord?id=CVE-2016-3071
| Link | Providers | Tags |
|---|---|---|
| http://download.libreswan.org/CHANGES | x_refsource_CONFIRM | |
| http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182050.html | vendor-advisoryx_refsource_FEDORA | |
| http://lists.fedoraproject.org/pipermail/package-announce/2016-April/182130.html | vendor-advisoryx_refsource_FEDORA | |
| http://www.securityfocus.com/bid/87295 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2016-3071 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1327957 | Issue Tracking | |
| https://libreswan.org/security/CVE-2016-3071/CVE-2016-3071.txt | x_refsource_CONFIRMVendor Advisory | |
| https://lists.libreswan.org/pipermail/swan-announce/2016/000019.html | ||
| https://nvd.nist.gov/vuln/detail/CVE-2016-3071 | ||
| https://www.cve.org/CVERecord?id=CVE-2016-3071 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Apr 18, 2016
Updated Aug 5, 2024
Reserved Mar 10, 2016
Link CVE-2016-3071
CISA Vulnrichment
Updated n/a