Buffer overflow in Qpdf Project

CVE-2022-34503

QPDF v8.4.2 was discovered to contain a heap buffer overflow via the function QPDF::processXRefStream. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted PDF file.

Vulnerability class: Buffer Overflow

EPSS: 0.007 (50.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

  • cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2022-34503?
CVE-2022-34503 is a medium-severity vulnerability in Qpdf Project, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2022-07-22.
How severe is CVE-2022-34503?
Medium severity. CVSS v3 base score is 6.5 out of 10.