Home/CVE/Parsing logic flaws cause non-signature data to be misidentified as valid signatures when processing malformed form fiel
CVE

CVE-2026-5941

Parsing logic flaws cause non-signature data to be misidentified as valid signatures when processing malformed form fiel

Parsing logic flaws cause non-signature data to be misidentified as valid signatures when processing malformed form field hierarchies, leading to invalid memory writes and program crashes during internal data structure construction.

HIGH · CVSS 7.8 EPSS 0.00032
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-20Improper Input Validation
▤

Affected Products & Versions

3
foxit pdf editor>= 14.0.0 and < 14.0.4
foxit pdf editor>= 2023.0.0 and < 2026.1.1
foxit pdf reader< 2026.1.1
▣

Scoring & Timeline

7.8
HIGH · CVSS v3.1 · 14984358-7092-470d-8f34-ade47a7658a2
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD27 Apr 2026 · 12:16 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
total
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
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References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.foxit.com/support/security-bulletins.htmlVendor Advisory
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