CVE-2018-9988

high

Published 2018-04-10 · Modified 2026-06-05

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CVSS v3

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.5

Description

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_key_exchange() that could cause a crash on invalid input.

Predictions

Exploit likelihood

83%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

Debian Mixed 7 releases

Version	Status	Fixed in
trixie	Fixed	`2.8.0-1`
sid	Fixed	`2.8.0-1`
forky	Fixed	`2.8.0-1`
bullseye	Fixed	`2.8.0-1`
bookworm	Fixed	`2.8.0-1`
9.0	Affected	—
8.0	Affected	—

Application impact

Vendor	Product	Versions	Fixed
arm	mbed_tls	`{"endExcluding":"2.1.11"}`	`2.1.11`
arm	mbed_tls	`{"startIncluding":"2.7.0","endExcluding":"2.7.2"}`	`2.7.2`
trustedfirmware	mbed_tls	`2.8.0`

References

CWEs

CWE-125

Community-verified mitigations for this CVE will appear above when contributors publish them.

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