What is CVE-2022-24954?

CVE-2022-24954 is a critical-severity vulnerability in Foxit Pdf Editor, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-02-11.

How severe is CVE-2022-24954?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Is CVE-2022-24954 known to be exploited?

3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Foxit Pdf Editor

CVE-2022-24954

Foxit PDF Reader before 11.2.1 and Foxit PDF Editor before 11.2.1 have a Stack-Based Buffer Overflow related to XFA, for the 'subform colSpan="-2"' and 'draw colSpan="1"' substrings.

Vulnerability class: Buffer Overflow

Published 2022-02-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.119 (96.1th percentile), scored 2026-10-20.

Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.119 · newest: 0.119 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

Public proof-of-concept exploits

References

www.foxit.com/support/security-bulletins.html (Patch, Vendor Advisory)
twitter.com/l33d0hyun/status/1487047927415459851 (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2022-24954?: CVE-2022-24954 is a critical-severity vulnerability in Foxit Pdf Editor, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2022-02-11.
How severe is CVE-2022-24954?: Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2022-24954 known to be exploited?: 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.