CVE-2023-4874 Undefined Behavior for Input to API in Mutt
Medium 4.3
Published
Updated
Check this codebase for CVE-2023-4874 and fix it if it is affected.
What it is: CVE-2023-4874 is a medium-severity vulnerability in Debian Debian Linux, published on 9 Sep 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2023-4874 in the wild and no public exploit code.
Affected product: Debian Debian Linux. No package-level version data is available, so check the vendor advisory linked from the reference page.
Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.
Reference: https://insights.sbomify.com/CVE-2023-4874/ (Markdown: https://insights.sbomify.com/CVE-2023-4874/index.md)
A null pointer dereference in Mutt allows attackers to cause a denial of service by sending a specially crafted email.
- 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-2023-4874?
CVE-2023-4874 is a medium-severity vulnerability in Debian Debian Linux, published on 9 Sep 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
Null pointer dereference when viewing a specially crafted email in Mutt >1.5.2 <2.2.12
Which versions are affected by CVE-2023-4874?
It affects 2 products.
Products include Debian Debian Linux, Mutt Mutt.
How do I fix CVE-2023-4874?
Upgrade to a fixed version.
Is CVE-2023-4874 being exploited?
There is no known exploitation of CVE-2023-4874 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as AZL-28698, DEBIAN-CVE-2023-4874, GHSA-q9v3-53xg-6f9p, UBUNTU-CVE-2023-4874.