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CVE-2018-5388
In stroke_socket.c in strongSwan before 5.6.3, a missing packet length check could allow a buffer underflow, which may lead to resource…
Medium6.5EPSS 3.9%
- Published
- Updated
- Reserved
- Assigned by
- certcc
Description
In stroke_socket.c in strongSwan before 5.6.3, a missing packet length check could allow a buffer underflow, which may lead to resource exhaustion and denial of service while reading from the socket.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Medium6.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 3.9% · top 9.7% of all CVEs (4 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.5.
Weakness
Affected products
- affected 5.6.3 – < 5.6.3
References (10)
- VU#338343 (opens in a new tab)third-party-advisoryx_transferred
- GLSA-201811-16 (opens in a new tab)vendor-advisoryx_transferred
- https://git.strongswan.org/?p=strongswan.git%3Ba=commitdiff%3Bh=0acd1ab4 (opens in a new tab)x_transferred
- 104263 (opens in a new tab)vdb-entryx_transferred
- USN-3771-1 (opens in a new tab)vendor-advisoryx_transferred
- DSA-4229 (opens in a new tab)vendor-advisoryx_transferred
- openSUSE-SU-2019:2594 (opens in a new tab)vendor-advisoryx_transferred
- openSUSE-SU-2019:2598 (opens in a new tab)vendor-advisoryx_transferred
- openSUSE-SU-2020:0403 (opens in a new tab)vendor-advisoryx_transferred
- http://packetstormsecurity.com/files/172833/strongSwan-VPN-Charon-Server-Buffer-Overflow.html (opens in a new tab)x_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)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
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[](https://trackcve.app/cve/CVE-2018-5388)Record last updated .