CVE-2019-25042: Critical severity unbound vulnerability
DISPUTED Unbound before 1.9.5 allows an out-of-bounds write via a compressed name in rdatacopy. NOTE: The vendor disputes that this is a vulnerability. Although the code may be vulnerable, a running Unbound installation cannot be remotely or locally exploited.
Affected Software
Event History
Frequently Asked Questions
What is the vulnerability ID for this vulnerability?
The vulnerability ID for this vulnerability is CVE-2019-25042.
What is the severity of CVE-2019-25042?
The severity of CVE-2019-25042 is critical with a severity value of 9.8.
Which software versions are affected by CVE-2019-25042?
Unbound versions before 1.9.5 and Debian Linux 9.0 are affected by CVE-2019-25042.
What is the description of CVE-2019-25042?
CVE-2019-25042 is an out-of-bounds write vulnerability in Unbound before 1.9.5, which allows an attacker to write beyond the allocated memory.
Is CVE-2019-25042 disputed by the vendor?
Yes, the vendor disputes that CVE-2019-25042 is a vulnerability, although the code may still be vulnerable.
Can CVE-2019-25042 be remotely or locally exploited?
No, a running Unbound installation cannot be remotely or locally exploited through CVE-2019-25042.
How can I fix CVE-2019-25042?
To fix CVE-2019-25042, upgrade to Unbound version 1.9.5 or later.
Where can I find more information about CVE-2019-25042?
You can find more information about CVE-2019-25042 in the following references: [Reference 1](https://lists.debian.org/debian-lts-announce/2021/05/msg00007.html), [Reference 2](https://ostif.org/our-audit-of-unbound-dns-by-x41-d-sec-full-results/), [Reference 3](https://security.netapp.com/advisory/ntap-20210507-0007/).