Vulnerability · Published Jul 2, 2026 · Assigned by mitre
CVE-2026-38970
High 7.5
In plain English
A high-severity security flaw in the affected software. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).
Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.6%top 49.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
pdfcpu through v0.11.1 contains an uncontrolled-recursion denial-of-service issue in pkg/pdfcpu/model/parse.go. The parser descends recursively through nested PDF objects, including arrays, via ParseObjectContext() and parseArray() without enforcing a maximum nesting depth.
Affected products (as reported)
Weakness: CWE-674 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
- https://github.com/pdfcpu/pdfcpu/blob/a181c19acb322d6b93a1bbda9385a864a9ad6efe/pkg/pdfcpu/model/parse.go#L325-L366
- https://github.com/pdfcpu/pdfcpu/blob/a181c19acb322d6b93a1bbda9385a864a9ad6efe/pkg/pdfcpu/model/parse.go#L942-L970
- https://github.com/pdfcpu/pdfcpu
- https://github.com/pdfcpu/pdfcpu/commit/9db810afb52b555ffcae955b32c0be3a73eb53d3
- https://github.com/pdfcpu/pdfcpu/releases/tag/v0.12.0