Is CVE-2022-40008 actively exploited?

No active exploitation of CVE-2022-40008 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2022-40008 be exploited remotely?

Yes. CVE-2022-40008 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2022-40008?

CVE-2022-40008 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2022-40008

CWE-787Published: September 20, 2022· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official Description

SWFTools commit 772e55a was discovered to contain a heap-buffer overflow via the function readU8 at /lib/ttf.c.

NVD Source

Risk Analysis

This flaw is a heap-buffer overflow in SWFTools that poses a critical risk to system integrity and availability. The CVSS score of 9.8 reflects the potential for remote, unauthenticated attackers to execute arbitrary code.

No public exploit is known for this vulnerability, and it is not included in the CISA KEV catalog.

Recommended Action

Apply the latest security updates for SWFTools to resolve the buffer overflow in lib/ttf.c.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2022-40008 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-787): Out-of-bounds write vulnerabilities can lead to data corruption, crashes, or arbitrary code execution.