Out-of-bounds Read in Foxitsoftware Phantompdf

CVE-2018-20309

Foxit Reader before 9.5, and PhantomPDF before 8.3.10 and 9.x before 9.5, has a proxyGetAppEdition race condition that can cause a stack-based buffer overflow or an out-of-bounds read.

Vulnerability class: Buffer Overflow

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.008 (55.4th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 55th percentile — 55.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2018-20309: held from 0.008 to 0.008.

EPSS over last 30 days · oldest: 0.008 · newest: 0.008 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2018-20309?
CVE-2018-20309 is a high-severity vulnerability in Foxitsoftware Phantompdf, classified under Out-of-bounds Read. CVSS score: 8.1/10. Published 2021-01-07.
How severe is CVE-2018-20309?
High severity. CVSS v3 base score is 8.1 out of 10.