CVE-2017-9051 Null dereference in n/a
Critical 9.8
Published
Updated
Check this codebase for CVE-2017-9051 and fix it if it is affected.
What it is: CVE-2017-9051 is a critical vulnerability in Libav Libav, published on 18 May 2017. 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-2017-9051 in the wild and no public exploit code.
Affected product: Libav Libav. 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-2017-9051/ (Markdown: https://insights.sbomify.com/CVE-2017-9051/index.md)
A NULL pointer dereference in libav allows attackers to cause a denial of service via crafted NSV files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-9051?
CVE-2017-9051 is a critical vulnerability in Libav Libav, published on 18 May 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
libav before 12.1 is vulnerable to an invalid read of size 1 due to NULL pointer dereferencing in the nsv_read_chunk function in libavformat/nsvdec.c.
Weakness: CWE-476
Which versions are affected by CVE-2017-9051?
It affects 1 product.
Products include Libav Libav.
How do I fix CVE-2017-9051?
Upgrade to a fixed version.
Is CVE-2017-9051 being exploited?
There is no known exploitation of CVE-2017-9051 in the wild and no public exploit code.
Other vulnerabilities in Libav Libav
Sources
Also known as DEBIAN-CVE-2017-9051, GHSA-93m5-m7h3-h2pm, UBUNTU-CVE-2017-9051.