CVE-2021-44568 Memory corruption in n/a
Heap overflow in libsolv's dependency resolver allows remote attackers to cause a denial of service via crafted input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2021-44568?
CVE-2021-44568 is a medium-severity memory corruption vulnerability in n/a, published on 21 Feb 2022. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve_dependencies function at src/solver.c (line 1940 & line 1995), which could cause a remote Denial of Service.
Weakness: CWE-787
Which versions are affected by CVE-2021-44568?
It affects 1 product.
Products include Opensuse Libsolv.
How do I fix CVE-2021-44568?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2021-44568 being exploited?
There is no known exploitation of CVE-2021-44568 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2021-44568, GHSA-wmfm-g4qc-662g, UBUNTU-CVE-2021-44568.