Infinite loop in xpdf - CVE-2018-7174
Published: February 15, 2018 / Updated: August 8, 2020
Vulnerability identifier: #VU37523
CSH Severity: Medium
CVSS v4: 6.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2018-7174
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
An issue was discovered in xpdf 4.00. An infinite loop in XRef::Xref allows an attacker to cause denial of service because loop detection exists only for tables, not streams.
Affected software
xpdf
Fedora
xpdf
Fedora
xpdf
How to mitigate CVE-2018-7174
Install update from vendor's website.
xpdf - update to 4.01-1.fc29