CVE-2026-54081
veraPDF Parser DoS via PostScript Type 1 Font Programs
- State
- Published
- Severity
- 6.9 Medium
- Published
- Jul 29, 2026
- Updated
- Jul 30, 2026
- Reserved
- Jun 11, 2026
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/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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N | GitHub_M |
Weaknesses
- CWE-1325 Improperly Controlled Sequential Memory Allocation
Affected Products
| Product | Versions |
|---|---|
veraPDF-parserveraPDF |
|
References
- 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
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