CVE-2018-5206 Null dereference in n/a
Critical 9.8
Published
Updated
Check this codebase for CVE-2018-5206 and fix it if it is affected.
What it is: CVE-2018-5206 is a critical vulnerability in Debian Debian Linux, published on 6 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Exploitation: There is no known exploitation of CVE-2018-5206 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-2018-5206/ (Markdown: https://insights.sbomify.com/CVE-2018-5206/index.md)
A NULL pointer dereference in Irssi allows attackers to cause a denial of service by setting a channel topic without a sender.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2018-5206?
CVE-2018-5206 is a critical vulnerability in Debian Debian Linux, published on 6 Jan 2018. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
When the channel topic is set without specifying a sender, Irssi before 1.0.6 may dereference a NULL pointer.
Weakness: CWE-476
Which versions are affected by CVE-2018-5206?
It affects 2 products.
Products include Debian Debian Linux, Irssi Irssi.
How do I fix CVE-2018-5206?
Upgrade to a fixed version.
Is CVE-2018-5206 being exploited?
There is no known exploitation of CVE-2018-5206 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALPINE-CVE-2018-5206, DEBIAN-CVE-2018-5206, GHSA-5g28-mmwc-h2cj, UBUNTU-CVE-2018-5206.