Buffer overflow in Xpdfreader Xpdf

CVE-2022-30524

There is an invalid memory access in the TextLine class in TextOutputDev.cc in Xpdf 4.0.4 because the text extractor mishandles characters at large y coordinates. It can be triggered by (for example) sending a crafted pdf file to the pdfto…

Vulnerability class: Buffer Overflow

EPSS: 0.016 (73.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2022-30524?
CVE-2022-30524 is a high-severity vulnerability in Xpdfreader Xpdf, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2022-05-09.
How severe is CVE-2022-30524?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2022-30524 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.