CVE-2026-54080

MediumCVSS 6.9

Published: 29/07/2026(UTC)Updated: 23/10/2026(UTC)Translated: 29/07/2026(UTC)NVD NIST

Exploitation Probability (EPSS)

Low risk

0.52%

44th percentile - higher than 44% of all known CVEs

Summary

A denial-of-service vulnerability in the veraPDF-parser PDF parser allows an attacker to exhaust memory or CPU via a crafted Type 0 font CMap stream that triggers unbounded PostScript array allocation or a zero-increment loop.

Risk Assessment

An attacker can overload the PDF validation system, leading to service disruption.

Recommendation

Update the veraPDF-parser library to version 1.30.2 or 1.31.23.

Other vulnerabilities in veraPDF-parser

CVE-2026-54081Medium
A denial-of-service vulnerability in the veraPDF-parser PDF parser allows an attacker to exhaust memory, CPU, or stack via a crafted Type 1 font program that triggers unbounded PostScript array allocation, a zero-increment loop, or recursive user dictionary lookups.

Original NVD description (English source)

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.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS