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Fencer Intel
high 7.8

CVE-2019-9587 json

There is a stack consumption issue in md5Round1() located in Decrypt.cc in Xpdf 4.01.

published 2019-03-06 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-18958

cvss
7.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 70%
public exploits
0
none known

Summary

There is a stack consumption issue in md5Round1() located in Decrypt.cc in Xpdf 4.01. It can be triggered by sending a crafted pdf file to (for example) the pdfimages binary. It allows an attacker to cause Denial of Service (Segmentation fault) or possibly have unspecified other impact. This is related to Catalog::countPageTree.

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2019-9587 updated cvss 3.3

xpdf: stack consumption in function md5Round1() in Decrypt.cc

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

1.31% chance of exploitation in the next 30 days, higher than 70% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • forum.xpdfreader.com https://forum.xpdfreader.com/viewtopic.php?f=3&t=41263 referenced PoC, tagged "exploit" by a source, unverified
  • research.loginsoft.com https://research.loginsoft.com/bugs/stack-based-buffer-overflow-vulnerability-in-function-md5round1-xpdf-4-01/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 7.8 CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-400 Uncontrolled Resource Consumption

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.