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CVE-2026-5941

HIGHCVSS 7.1/10EPSS 0.17%

Last modified

CVE-2026-5941 is a high-severity vulnerability rated 7.1/10 on the CVSS scale. 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.. EPSS estimates a 0.17% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1
7.1/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H

EPSS Probability
0.17%

6.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
FoxitPdf Editor>= 14.0.0, < 14.0.4
FoxitPdf Editor>= 2023.0.0, < 2026.1.1
FoxitPdf Reader< 2026.1.1

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-5941?
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.
How severe is CVE-2026-5941?
CVE-2026-5941 has a CVSS score of 7.1/10 (HIGH severity). The EPSS model estimates a 0.17% probability of exploitation in the next 30 days.
How do I fix CVE-2026-5941?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-5941?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST