CVE-2023-45199

critical

Published 2023-10-07 · Modified 2026-06-05

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

9.8

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

CVSS v4 NEW

—

not yet in upstream

VIR risk

9.8

Description

Mbed TLS 3.2.x through 3.4.x before 3.5 has a Buffer Overflow that can lead to remote Code execution.

Predictions

Exploit likelihood

97%

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 Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`0`
sid	Fixed	`0`
forky	Fixed	`0`
bullseye	Fixed	`0`
bookworm	Fixed	`0`

Application impact

Vendor	Product	Versions	Fixed
trustedfirmware	mbed_tls	`{"startIncluding":"3.2.0","endExcluding":"3.5.0"}`	`3.5.0`

References

CWEs

CWE-120

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

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