Vulnerability · Published Mar 18, 2026 · Assigned by GandC
CVE-2026-4407Out-of-bounds array write in Xpdf 4.06 due to missing validation
Low 2.1
In plain English
A low-severity improper input validation in Xpdf from Xpdf. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities).
Severity (CVSS 4.0)2.1Low
Exploit odds (30 days)0.2%top 95.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Out-of-bounds array write in Xpdf 4.06 and earlier, due to incorrect validation of the "N" field in ICCBased color spaces.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu:22.04:LTS | ipe | no fix listed | UBUNTU-CVE-2026-4407 |
| Ubuntu:24.04:LTS | ipe | no fix listed | UBUNTU-CVE-2026-4407 |
| Ubuntu:25.10 | ipe | no fix listed | UBUNTU-CVE-2026-4407 |
| Ubuntu:26.04:LTS | ipe | no fix listed | UBUNTU-CVE-2026-4407 |
| Ubuntu:26.10 | ipe | no fix listed | UBUNTU-CVE-2026-4407 |
| Ubuntu:22.04:LTS | xpdf | no fix listed | UBUNTU-CVE-2026-4407 |
| Ubuntu:24.04:LTS | xpdf | no fix listed | UBUNTU-CVE-2026-4407 |
| Ubuntu:25.10 | xpdf | no fix listed | UBUNTU-CVE-2026-4407 |
| Ubuntu:26.04:LTS | xpdf | no fix listed | UBUNTU-CVE-2026-4407 |
| Ubuntu:26.10 | xpdf | no fix listed | UBUNTU-CVE-2026-4407 |
Affected products (as reported)
Weakness: CWE-20, CWE-787 · Vector: CVSS:4.0/AV:L/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N