Critical severity9.8NVD Advisory· Published Feb 14, 2018· Updated Jun 17, 2026

CVE-2017-18187

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Arm/MbedTLS2 versions
cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*range: <2.7.0
- (no CPE)range: <2.7.0
Debian/linux2 versions
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
osv-coords
pkg:rpm/suse/mbedtls&distro=SUSE%20Package%20Hub%2012
Range: < 1.3.19-11.1

Patches

Vulnerability mechanics

References

github.com/ARMmbed/mbedtls/commit/83c9f495ffe70c7dd280b41fdfd4881485a3bc28nvdPatchThird Party Advisory
www.securityfocus.com/bid/103055nvdThird Party AdvisoryVDB Entry
github.com/ARMmbed/mbedtls/blob/master/ChangeLognvdThird Party Advisory
security.gentoo.org/glsa/201804-19nvdThird Party Advisory
www.debian.org/security/2018/dsa-4138nvdThird Party Advisory
www.debian.org/security/2018/dsa-4147nvdThird Party Advisory
usn.ubuntu.com/4267-1/nvd

News mentions

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cvss	0.637
epss	0.002
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000