CVE-2018-0487

high

Published — · Modified —

CVSS v3

—

CVSS v2

—

VIR risk

8.0

Description

ARM mbed TLS before 1.3.22, before 2.1.10, and before 2.7.0 allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via a crafted certificate chain that is mishandled during RSASSA-PSS signature verification within a TLS or DTLS session.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-0487

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201802-15

OS impact

OS	Version	Status	Fixed in
arch		fixed	`2.7.0-1`
debian	bookworm	fixed	`2.7.0-2`
debian	bullseye	fixed	`2.7.0-2`
debian	forky	fixed	`2.7.0-2`
debian	sid	fixed	`2.7.0-2`
debian	trixie	fixed	`2.7.0-2`

References

https://security.archlinux.org/ASA-201802-15
https://security-tracker.debian.org/tracker/CVE-2018-0487

Verify integrity in audit chain (admin only). AS-IS.