OSV-2021-1442 Heap-use-after-free in find_es_header
Not scored
Published
Check this codebase for OSV-2021-1442 and fix it if it is affected.
What it is: OSV-2021-1442 is an use after free vulnerability in vlc, published on 12 Oct 2021.
Exploitation: There is no known exploitation of OSV-2021-1442 in the wild and no public exploit code.
Affected packages and fixed versions:
- vlc (OSS-Fuzz): affected all versions; no fix listed
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/OSV-2021-1442/ (Markdown: https://insights.sbomify.com/OSV-2021-1442/index.md)
A heap-use-after-free vulnerability in the media parsing library allows attackers to cause a crash or potentially execute arbitrary code via crafted input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2021-1442?
OSV-2021-1442 is an use after free vulnerability in vlc, published on 12 Oct 2021.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=39842
Crash type: Heap-use-after-free READ 4
Crash state:
find_es_header
analyze_chunk
probe_stream
Which versions are affected by OSV-2021-1442?
1 open source package ship an affected version, including vlc.
| Package | Affected | Fixed in |
|---|---|---|
vlc OSS-Fuzz | All versions | None |
How do I fix OSV-2021-1442?
No fix has been published for OSV-2021-1442 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is OSV-2021-1442 being exploited?
There is no known exploitation of OSV-2021-1442 in the wild and no public exploit code.