CVE-2021-46179 Denial of service in n/a
Attackers can cause a denial of service in UPX by providing a crafted file that triggers a reachable assertion in the readx function.
- 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-2021-46179?
CVE-2021-46179 is a medium-severity denial of service vulnerability in n/a, published on 22 Aug 2023. 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
Reachable Assertion vulnerability in upx before 4.0.0 allows attackers to cause a denial of service via crafted file passed to the the readx function.
Weakness: CWE-617
Which versions are affected by CVE-2021-46179?
It affects 1 product.
Products include Upx Upx.
How do I fix CVE-2021-46179?
Upgrade to a fixed version.
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-2021-46179 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2021-46179 exists.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2021-46179, GHSA-8vp9-52j5-ghqw, UBUNTU-CVE-2021-46179.