CVE-2022-24954

CRITICAL

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.

Affects 3 products across 2 vendors.

CVSS 3.19.8
EPSS11.9%
Percentile96th
PatchUnknown
CVSS Vector — Plain English Remotely exploitable over the network, low complexity, no authentication required, no user interaction needed, impact contained to the vulnerable component, full confidentiality impact, full integrity impact, full availability impact.
CWE Weakness Definitions
CWE-787: Out-of-Bounds Write

Software writes data past buffer boundaries, corrupting memory and potentially enabling code execution.

◆ AI Analysis — automated analysis, not human-reviewed

Foxit PDF Reader and Foxit PDF Editor versions prior to 11.2.1 are vulnerable to a stack-based buffer overflow due to improper handling of XFA form elements, specifically the 'subform colSpan' and 'draw colSpan' attributes.

BSID: BS-2022-GLOBAL-314487-C • Model: /workspace/models/qwen2.5-coder-32b-instruct-bf16 • Confidence: HIGH

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Frequently Asked Questions
What is CVE-2022-24954?
Foxit PDF Reader and Foxit PDF Editor versions prior to 11.2.1 are vulnerable to a stack-based buffer overflow due to improper handling of XFA form elements, specifically the 'subform colSpan' and 'draw colSpan' attributes.
What is the CVSS score for CVE-2022-24954?
CVE-2022-24954 has CVSS 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS: 11.9%.
Is CVE-2022-24954 actively exploited?
No confirmed active exploitation of CVE-2022-24954 as of 2026-05-30.
How do I remediate CVE-2022-24954?
Priority: IMMEDIATE. Advisory: https://www.foxit.com/support/security-bulletins.html
What systems are affected by CVE-2022-24954?
CVE-2022-24954 affects Foxit Pdf Reader, Pdf Editor.
Vulnerability Details
CVE IDCVE-2022-24954
BSIDBS-2022-GLOBAL-314487-C BreachSpider Global ID
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Published2022-02-11
Last Modified2024-11-21
ICS Relevance15%
Weakness (CWE)
Out-of-Bounds Write
SourceNVD
Official Description

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.

Source: NIST NVD / MITRE CVE Database

Attack Vector Analysis — CITED Relevance

An attacker can exploit this vulnerability by crafting a malicious PDF file containing specially crafted XFA form elements. When the vulnerable application opens this PDF, it can lead to a stack-based buffer overflow, potentially allowing the attacker to execute arbitrary code with the privileges of the application.

Exploitation Likelihood: CRITICAL

Affected Products
VendorProductAffected Versions
Foxit Pdf Reader ≤ 11.1.0.52543
Foxit Pdf Editor ≤ 10.1.6.37749 ≥ 11.0.1.0719, ≤ 11.2.0.53415

Platforms listed by the source (the vulnerable product runs on these; they are not themselves vulnerable): Microsoft Windows

Remediation
View Vendor Advisory →

Remediation Priority: IMMEDIATE

Threat Intelligence
● Threat Intelligence Validated: October 2026 | Threat Age: 1708 Days
CISA known-exploitedNot in KEV catalog
Public ExploitNot confirmed
PoC CodeNot confirmed
AI Enrichment Record — provenance & audit hash
Model/workspace/models/qwen2.5-coder-32b-instruct-bf16
ConfidenceHIGH
Enriched At2026-05-24
SHA-512 Audit Hash177c0c4f10d618d9a923a87989a32ab0a69f458f7178305aa8e86ed397ef7c9ca471f3da6a770303849f7ba899992eaad4d4fc6a3f60dca67d455c0dfbf6a1a6
Related CVEs affecting Foxit
CVE-2009-0837 10.0 Stack-based buffer overflow in Foxit Reader 3.0 before Build 1506, including ... CVE-2022-28104 9.8 Foxit PDF Editor v11.3.1 was discovered to contain an arbitrary file upload v... CVE-2022-24955 9.8 Foxit PDF Reader before 11.2.1 and Foxit PDF Editor before 11.2.1 have an Unc... CVE-2021-38563 9.8 An issue was discovered in Foxit PDF Reader before 11.0.1 and PDF Editor befo... CVE-2017-14458 8.8 An exploitable use-after-free vulnerability exists in the JavaScript engine o...
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