CVE-2026-116736 libpff through 20260926 Heap Out-of-Bounds Read via libpff_table_read_values_array
Medium 6.9
Published
Updated
Check this codebase for CVE-2026-116736 and fix it if it is affected.
What it is: CVE-2026-116736 is a medium-severity vulnerability in libyal libpff, published on 26 Oct 2026.
Exploitation: There is no known exploitation of CVE-2026-116736 in the wild and no public exploit code.
Affected product: libyal libpff. 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-2026-116736/ (Markdown: https://insights.sbomify.com/CVE-2026-116736/index.md)
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-116736?
CVE-2026-116736 is a medium-severity vulnerability in libyal libpff, published on 26 Oct 2026.
Official description
Libpff through 20260926 contains a heap out-of-bounds read vulnerability in libpff_table_read_values_array because a 7c column definition's values_array_size is not checked against remaining buffer bytes. Attackers can supply a crafted PST, OST or PAB file to make applications read adjacent heap memory into record entry values or crash.
Weakness: CWE-125
Which versions are affected by CVE-2026-116736?
How do I fix CVE-2026-116736?
No fix has been published for CVE-2026-116736 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-116736 being exploited?
There is no known exploitation of CVE-2026-116736 in the wild and no public exploit code.
Sources
Also known as GHSA-gcj6-823j-cwm9, UBUNTU-CVE-2026-116736.