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CVE-2017-18187
In ARM mbed TLS before 2.7.0, there is a bounds-check bypass through an integer overflow in PSK identity parsing in the…
Critical9.8EPSS 3.1%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
In ARM mbed TLS before 2.7.0, there is a bounds-check bypass through an integer overflow in PSK identity parsing in the ssl_parse_client_psk_identity() function in library/ssl_srv.c.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 3.1% · top 12% of all CVEs (5 Nov 2026)
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The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (7)
- https://github.com/ARMmbed/mbedtls/commit/83c9f495ffe70c7dd280b41fdfd4881485a3bc28 (opens in a new tab)x_refsource_CONFIRMx_transferred
- DSA-4147 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- DSA-4138 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- GLSA-201804-19 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://github.com/ARMmbed/mbedtls/blob/master/ChangeLog (opens in a new tab)x_refsource_CONFIRMx_transferred
- 103055 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- USN-4267-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_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-2017-18187)Record last updated .