How severe is CVE-2026-4407?

CVE-2026-4407 has a CVSS 4.0 base score of 2.1, rated low severity.

Is CVE-2026-4407 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.

How do I fix CVE-2026-4407?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-4407 have an EU (EUVD) identifier?

Yes. CVE-2026-4407 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12995.

When was CVE-2026-4407 published?

CVE-2026-4407 was published on 2026-03-18 and last updated on 2026-06-17.

CVE-2026-4407

CVE-2026-4407 is a low-severity vulnerability with a CVSS 4.0 base score of 2.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Low (CVSS 4.0 base score 2.1)
EPSS exploit prediction: 0% (4th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-12995
Weakness: CWE-20
Published: 2026-03-18
Last modified: 2026-06-17

Description

Out-of-bounds array write in Xpdf 4.06 and earlier, due to incorrect validation of the "N" field in ICCBased color spaces.

Frequently asked questions

What is CVE-2026-4407?: Out-of-bounds array write in Xpdf 4.06 and earlier, due to incorrect validation of the "N" field in ICCBased color spaces.
How severe is CVE-2026-4407?: CVE-2026-4407 has a CVSS 4.0 base score of 2.1, rated low severity.
Is CVE-2026-4407 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (4th percentile), an estimate of the probability of exploitation in the next 30 days.
How do I fix CVE-2026-4407?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-4407 have an EU (EUVD) identifier?: Yes. CVE-2026-4407 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-12995.
When was CVE-2026-4407 published?: CVE-2026-4407 was published on 2026-03-18 and last updated on 2026-06-17.

References

https://www.xpdfreader.com/security-bug/CVE-2026-4407.html

Other CWE-20 (Improper Input Validation) vulnerabilities

CVE-2026-48316 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48281 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48277 — Critical (CVSS 10.0): ColdFusion versions 2025.9, 2023.20 and earlier are affected by an Improper Input Validation vulnerability that could…
CVE-2026-48055 — Critical (CVSS 10.0): Streambert is a cross-platform Electron Desktop App to stream and download any video media. In versions 2.4.0 and…
CVE-2026-34910 — Critical (CVSS 10.0): A malicious actor with access to the network could exploit an Improper Input Validation vulnerability found in UniFi OS…
CVE-2026-33587 — Critical (CVSS 10.0): Lack of user input sanitisation in Open Notebook v1.8.3 allows the application user to execute Python code (and…

Browse all CWE-20 (Improper Input Validation) vulnerabilities →