veraPDF Parser DoS via PostScript Type 1 Font Programs
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Low
- Fix status
- Fixed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA and GitHub.
Summary
veraPDF PDF parser is a PDF parser for veraPDF. Prior to 1.30.2 and 1.31.23, veraPDF-parser contains a denial-of-service vulnerability in veraPDF-parser/src/main/java/org/verapdf/pd/font/type1/Type1FontProgram.java and veraPDF-parser/src/main/java/org/verapdf/parser/postscript/PSOperator.java, where a crafted Type 1 font /FontDescriptor /FontFile program can execute unbounded PostScript array allocation, a zero-increment for loop, or self-recursive toExecute user dictionary lookups and exhaust validator memory, CPU, or stack. This issue is fixed in versions 1.30.2 and 1.31.23.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| veraPDF | veraPDF-parser | before 1.30.2; 1.31.1 to before 1.31.23 | 1.30.2, 1.31.23 | Patch available | CNA |
| — | org.verapdf:parser (Maven) | before 1.30.2 | 1.30.2 | Patch available | GHSA-7c26-995w-6f47 |
| — | org.verapdf:parser (Maven) | 1.31.1 to before 1.31.23 | 1.31.23 | Patch available | GHSA-7c26-995w-6f47 |
- veraPDF-parser VendorveraPDF Affected before 1.30.2; 1.31.1 to before 1.31.23 Fixed in 1.30.2, 1.31.23 Patch available CNA
- org.verapdf:parser (Maven) Vendor— Affected before 1.30.2 Fixed in 1.30.2 Patch available GHSA-7c26-995w-6f47
- org.verapdf:parser (Maven) Vendor— Affected 1.31.1 to before 1.31.23 Fixed in 1.31.23 Patch available GHSA-7c26-995w-6f47
Remediation
- Fix · CNA veraPDF-parser (veraPDF) Fixed in 1.30.2, 1.31.23
- Fix · GHSA-7c26-995w-6f47 org.verapdf:parser (Maven) Fixed in 1.30.2 Advisory →
- Fix · GHSA-7c26-995w-6f47 org.verapdf:parser (Maven) Fixed in 1.31.23 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2026-54081
- 2026-10-03 Alias added: GHSA-7c26-995w-6f47
References
Other 5
- https://github.com/veraPDF/veraPDF-parser/security/advisories/GHSA-7c26-995w-6f47
- https://github.com/veraPDF/veraPDF-parser/pull/703
- https://github.com/veraPDF/veraPDF-parser/commit/73d6ec002b98ce1f3f68640442f8e5d5613c80ce
- https://github.com/veraPDF/veraPDF-parser/commit/cb3538607a549d63504299be1088c85ae48605f4
- https://github.com/veraPDF/veraPDF-parser
More veraPDF vulnerabilities
- TI-2026-39009 veraPDF Validation XXE via XFA CVSS 4.0HIGH 8.7
- TI-2026-39008 veraPDF Validation XXE via Rich Text CVSS 4.0HIGH 8.7
- TI-2024-18689 Potential XSLT injection vulnerability when using policy files CVSS 3.1HIGH 8.1
- TI-2026-39010 veraPDF Parser DoS via PostScript CMap Streams CVSS 4.0MEDIUM 6.9
- TI-2026-39012 veraPDF-validatio: Use of Default `DocumentBuilderFactory` leads to XXE When Processing Untrusted PDFs CVSS 3.1MEDIUM 6.5
- TI-2024-35313 Potential XXE (XML External Entity Injection) vulnerability in veraPDF CLI CVSS 4.0LOW 2.3
Sources
- CVE-2026-54081 · CVE Program
- CVE-2026-54081 · NVD
- FIRST EPSS
- GHSA-7c26-995w-6f47 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences