CVE-2017-7994: Null Pointer Dereference
The function TextExtractor::ExtractText in TextExtractor.cpp:77 in PoDoFo 0.9.5 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted PDF document.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
debian/libpodofoto a version that resolves this vulnerability.Fixed in 0.9.7+dfsg-2Fixed in 0.9.8+dfsg-3Fixed in 0.9.8+dfsg-3.1
Event History
Frequently Asked Questions
What is the severity of CVE-2017-7994?
CVE-2017-7994 has a medium severity rating due to its potential to cause a denial of service.
How do I fix CVE-2017-7994?
To fix CVE-2017-7994, upgrade PoDoFo to version 0.9.7 or higher.
What is the impact of CVE-2017-7994?
The impact of CVE-2017-7994 is that it allows remote attackers to crash the application by exploiting a NULL pointer dereference.
Which versions of PoDoFo are affected by CVE-2017-7994?
PoDoFo version 0.9.5 is specifically affected by CVE-2017-7994.
Is CVE-2017-7994 being actively exploited?
There is no public information indicating active exploitation of CVE-2017-7994, but it remains a potential risk.