CVE-2018-18651

An issue was discovered in Xpdf 4.00. catalog->getNumPages() in AcroForm.cc allows attackers to launch a denial of service (hang caused by large loop) via a specific pdf file, as demonstrated by pdftohtml. This is mainly caused by a large number after the /Count field in the file.

CVSS v3.0

5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CVSS v2.0

4.3 MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P

EPSS

0.92% chance of exploitation in the next 30 days, 58th percentile

Published

2018-10-25

Updated

2024-09-16

Proof-of-concept exploits (1)

• https://forum.xpdfreader.com/viewtopic.php?f=3&t=41219&p=41747#p41747

References

• CVE Record
• NVD entry

Related

• CVE-2018-18650
• CVE-2018-18661
• CVE-2018-18649
• CVE-2018-18662
• CVE-2018-18646
• CVE-2018-18695