What is CVE-2019-16927?

CVE-2019-16927 is a medium-severity vulnerability in Glyphandcog Xpdf, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2019-09-27.

How severe is CVE-2019-16927?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Buffer overflow in Glyphandcog Xpdf

CVE-2019-16927

Xpdf 4.01.01 has an out-of-bounds write in the vertProfile part of the TextPage::findGaps function in TextOutputDev.cc, a different vulnerability than CVE-2019-9877.

Vulnerability class: Buffer Overflow

Published 2019-09-27 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.009 (56.7th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.009 · newest: 0.009 · change: 0.000

Affected products

Glyphandcog Xpdf — versions 4.01.01

Weakness classification (CWE)

CWE-787 — Out-of-bounds Write

References

forum.xpdfreader.com/viewtopic.php (Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2019-16927?: CVE-2019-16927 is a medium-severity vulnerability in Glyphandcog Xpdf, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2019-09-27.
How severe is CVE-2019-16927?: Medium severity. CVSS v3 base score is 5.5 out of 10.