CVE-2023-27559 IBM Db2 denial of service
Attackers can crash the IBM Db2 database server by submitting a specially crafted subquery, causing a denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-27559?
CVE-2023-27559 is a medium-severity denial of service vulnerability in Ibm Db2, published on 26 Apr 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
IBM Db2 for Linux, UNIX and Windows (includes Db2 Connect Server) 10.5, 11.1, and 11.5 is vulnerable to a denial of service as the server may crash when using a specially crafted subquery. IBM X-Force ID: 249196.
Weakness: CWE-20
Which versions are affected by CVE-2023-27559?
It affects 1 product.
Products include Ibm Db2.
How do I fix CVE-2023-27559?
No fix has been published for CVE-2023-27559 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2023-27559 being exploited?
There is no known exploitation of CVE-2023-27559 in the wild and no public exploit code.
Other vulnerabilities in Ibm Db2
Sources
Also known as GHSA-g7cg-jg33-rrhv.