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CVE-2026-54081

veraPDF Parser DoS via PostScript Type 1 Font Programs

MEDIUM
6.9
CVSS Score
Published: July 29, 2026 at 03:18 PM UTC
Updated: October 23, 2026 at 11:10 PM UTC
1 product affected across 1 vendorveraPDF-parser

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Severity
MEDIUM6.9
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

veraPDF-parser· Verapdf
90%
v < 1.30.2>= 1.31.1, < 1.31.23
Affected range stops below 1.30.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 1.31.23, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (4)

x_refsource_CONFIRM
Source: cverecord
https://github.com/veraPDF/veraPDF-parser/security/advisories/GHSA-7c26-995w-6f47
x_refsource_MISC
Source: cverecord
https://github.com/veraPDF/veraPDF-parser/pull/703
x_refsource_MISC
Source: cverecord
https://github.com/veraPDF/veraPDF-parser/commit/73d6ec002b98ce1f3f68640442f8e5d5613c80ce
x_refsource_MISC
Source: cverecord
https://github.com/veraPDF/veraPDF-parser/commit/cb3538607a549d63504299be1088c85ae48605f4

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.9MEDIUMGitHub_M
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-1325

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