CVE-2017-12374: Use After Free
Last updated 25 August 2025
Other sources
The ClamAV AntiVirus software versions 0.99.2 and prior contain a vulnerability that could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. The vulnerability is due to a lack of input validation checking mechanisms during certain mail parsing operations (mbox.c operations on bounce messages). If successfully exploited, the ClamAV software could allow a variable pointing to the mail body which could cause a used after being free (use-after-free) instance which may lead to a disruption of services on an affected device to include a denial of service condition.
— Launchpad
Affected Software
Remediation
Patch Available
Event History
Frequently Asked Questions
What is the vulnerability ID of this ClamAV vulnerability?
The vulnerability ID of this ClamAV vulnerability is CVE-2017-12374.
What is the severity of CVE-2017-12374?
The severity of CVE-2017-12374 is high.
How does CVE-2017-12374 impact ClamAV AntiVirus software?
CVE-2017-12374 could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device.
Are there any specific affected software versions for CVE-2017-12374?
Yes, ClamAV AntiVirus software versions 0.99.2 and prior are affected by CVE-2017-12374.
Where can I find more information about CVE-2017-12374?
You can find more information about CVE-2017-12374 on the ClamAV blog, Bugzilla, and Debian LTS Announce.