CVE-2018-7452: Null Pointer Dereference
Published Feb 24, 2018
·Updated
A NULL pointer dereference in JPXStream::fillReadBuf in JPXStream.cc in xpdf 4.00 allows attackers to launch denial of service via a specific pdf file, as demonstrated by pdftohtml.
Affected Software
1 affected component
Xpdfreader Xpdf=4.00
Event History
Feb 24, 2018
CVE Published
via MITRE·06:00 AM
Data Sourced
via MITRE·06:00 AM
Description
Data Sourced
via NVD·06:29 AM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2018-7452?
The severity of CVE-2018-7452 is classified as high due to its potential for causing a denial of service.
2
How does CVE-2018-7452 affect xpdf?
CVE-2018-7452 affects xpdf by allowing attackers to exploit a NULL pointer dereference, leading to application instability.
3
How do I fix CVE-2018-7452?
To fix CVE-2018-7452, update xpdf to a version that has patched this vulnerability.
4
What kind of attack is possible using CVE-2018-7452?
An attacker can launch a denial of service attack by providing a specially crafted PDF file to xpdf.
5
Is CVE-2018-7452 a critical vulnerability?
While CVE-2018-7452 is not classified as critical, it poses significant risk due to its ability to crash the xpdf application.