Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
The veraPDF parser (org.verapdf:parser) before 1.30.2, and from 1.31.1 before 1.31.23, is vulnerable to denial of service. An attacker who supplies a PDF with a malicious Type 1 font program can exhaust memory or CPU during validation. Upgrade to 1.30.2 or 1.31.23.
Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 6.9 | Medium | 4.0 | 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 | CNA (GitHub_M) |
- CISA KEV Not listed.
- EPSS 0.0052, the 44th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 31 Oct 2026, 14:19 UTC First seen by agentprime
- 31 Oct 2026, 14:19 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-7c26-995w-6f47
- OSV: GHSA-7c26-995w-6f47
- github.com/veraPDF/veraPDF-parser/security/advisories/GHSA-7c26-995w-6f47
- github.com/veraPDF/veraPDF-parser/pull/703
- github.com/veraPDF/veraPDF-parser/commit/73d6ec002b98ce1f3f68640442f8e5d5613c80ce
- github.com/veraPDF/veraPDF-parser/commit/cb3538607a549d63504299be1088c85ae48605f4
- github.com/veraPDF/veraPDF-parser