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Fencer Vulns
high 7.5

CVE-2018-9989 json

ARM mbed TLS before 2.1.11, before 2.7.2, and before 2.8.0 has a buffer over-read in ssl_parse_server_psk_hint() that could cause a crash o…

published 2018-04-10 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-21581

cvss
7.5
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.2%
EPSS 2.2% chance of exploitation in 30 days, percentile 82%
public exploits
0
none known

Summary

ARM mbed TLS before 2.1.11, before 2.7.2, and before 2.8.0 has a buffer over-read in ssl_parse_server_psk_hint() that could cause a crash on invalid input.

Patch / fix

  • arm mbed_tls 2.1.11, 2.7.2
  • mbedtls Debian 14, Debian 13, Debian 12 2.8.0-1

debian advisories DEBIAN-CVE-2018-9989

  • mbedtls Package Hub 12 1.3.19-14.1

opensuse advisories openSUSE-SU-2018:1039-1openSUSE-SU-2018:1041-1

Exploit prediction

2.16% chance of exploitation in the next 30 days, higher than 82% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.