VulnerabilityModified
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.
MEDIUM 5.5EPSS 0.92%
Does this matter?
Lower severity and a low EPSS score (0.92%). Track it; it rarely justifies an emergency change on its own.
Description
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 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.92% probability · 58th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-834
- Affected
- xpdfreader/xpdf
- Source
- cve@mitre.org
References
- https://forum.xpdfreader.com/viewtopic.php?f=3&t=41219&p=41747#p41747Exploit, Third Party Advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/152005Third Party Advisory
- https://forum.xpdfreader.com/viewtopic.php?f=3&t=41219&p=41747#p41747Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.