CVE-2020-19726 Denial of service in n/a
Attackers can cause denial of service or read/write system memory via auxiliary symbol data in binutils libbfd.
- 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-2020-19726?
CVE-2020-19726 is a high-severity denial of service vulnerability in Gnu Binutils, 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
An issue was discovered in binutils libbfd.c 2.36 relating to the auxiliary symbol data allows attackers to read or write to system memory or cause a denial of service.
Weakness: CWE-400
Which versions are affected by CVE-2020-19726?
It affects 1 product.
Products include Gnu Binutils.
How do I fix CVE-2020-19726?
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-2020-19726 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2020-19726 exists.
Other vulnerabilities in Gnu Binutils
Sources
Also known as CLSA-2023-1696879225, CLSA-2023-1696880132, CLSA-2023-1696970948, CLSA-2023-1696971066, DEBIAN-CVE-2020-19726, GHSA-r7qv-f5p4-f3qr and 1 more.