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Vulnerabilities

Vulnerability · 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.

Published Mar 18, 2026 · catalog updated Jun 17, 2026 · Out-of-bounds array write in

Check if you run it

No confirmed exploitation is on record for CVE-2026-4407. EPSS is 0.15%. Act only if a listed version of Out-of-bounds array write in is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (Out-of-bounds array write in).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Low2.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.15%
Remediation
Version ranges on file
Affected products
stated named in the record

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • stated named in the record<= 4.06

How to fix CVE-2026-4407

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-4407. EPSS is 0.15%. Act only if a listed version of Out-of-bounds array write in is installed.

Which versions are affected?

Compare what you have installed with named in the record <= 4.06. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-20: Improper Input Validation; CWE-787: Out-of-bounds Write. EPSS 0.15%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Mar 18, 2026 · NIST NVD

    Detected

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

  2. Jun 17, 2026 · NIST NVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2026-4407

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-4407

    30-day exploitation probability 0.1%

    first.org
  • NIST NVDVulnerability recordCVE-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.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.