Moderate severityNVD Advisory· Published Jul 29, 2026· Updated Jul 29, 2026
veraPDF Parser DoS via PostScript CMap Streams
CVE-2026-54080
Description
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/cmap/CMapParser.java and veraPDF-parser/src/main/java/org/verapdf/parser/postscript/PSOperator.java, where a crafted Type 0 font /Encoding or /ToUnicode CMap stream can execute unbounded PostScript array allocation or a zero-increment for loop and exhaust validator memory or CPU. This issue is fixed in versions 1.30.2 and 1.31.23.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
org.verapdf:parserMaven | < 1.30.2 | 1.30.2 |
org.verapdf:parserMaven | >= 1.31.1, < 1.31.23 | 1.31.23 |
Affected products
1Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-jrmc-qg6p-94fpghsaADVISORY
- github.com/veraPDF/veraPDF-parser/commit/73d6ec002b98ce1f3f68640442f8e5d5613c80ceghsax_refsource_MISCWEB
- github.com/veraPDF/veraPDF-parser/commit/cb3538607a549d63504299be1088c85ae48605f4ghsax_refsource_MISCWEB
- github.com/veraPDF/veraPDF-parser/pull/703ghsax_refsource_MISCWEB
- github.com/veraPDF/veraPDF-parser/security/advisories/GHSA-jrmc-qg6p-94fpghsax_refsource_CONFIRMWEB
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