Is CVE-2022-29503 actively exploited?

No active exploitation of CVE-2022-29503 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-29503 be exploited remotely?

Yes. CVE-2022-29503 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-29503?

CVE-2022-29503 has a CVSS score of 9.8 (CRITICAL).

HOME VULNERABILITIESCVE-2022-29503

CRITICAL

CVE-2022-29503

CWE-119Published: September 29, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

A memory corruption vulnerability exists in the libpthread linuxthreads functionality of uClibC 0.9.33.2 and uClibC-ng 1.0.40. Thread allocation can lead to memory corruption. An attacker can create threads to trigger this vulnerability.

NVD Source

Technical Analysis

CVE-2022-29503 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.