VIR Vulnerability Intelligence Relay

CVE-2022-46393

critical
Published 2022-12-15 · 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

An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0. There is a potential heap-based buffer overflow and heap-based buffer over-read in DTLS if MBEDTLS_SSL_DTLS_CONNECTION_ID is enabled and MBEDTLS_SSL_CID_IN_LEN_MAX > 2 * MBEDTLS_SSL_CID_OUT_LEN_MAX.

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
fedora Fedora Affected 2 releases
VersionStatusFixed in
37 Affected —
36 Affected —
suse SUSE Affected 1 release
VersionStatusFixed in
— Affected —
debian Debian Fixed 5 releases
VersionStatusFixed in
trixie Fixed 2.28.2-1
sid Fixed 2.28.2-1
forky Fixed 2.28.2-1
bullseye Fixed 0
bookworm Fixed 2.28.2-1

Application impact
VendorProductVersionsFixed
armmbed_tls{"endExcluding":"2.28.2"}2.28.2
trustedfirmwarembed_tls{"startIncluding":"3.0.0","endExcluding":"3.3.0"}3.3.0

References

CWEs

CWE-125 CWE-787

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

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