RUSTSEC-2025-0056 adler crate is unmaintained, use adler2 instead
Not scored
Published
Check this codebase for RUSTSEC-2025-0056 and fix it if it is affected.
What it is: RUSTSEC-2025-0056 is a vulnerability in adler, published on 5 Sep 2025.
Exploitation: There is no known exploitation of RUSTSEC-2025-0056 in the wild and no public exploit code.
Affected packages and fixed versions:
- adler (crates.io): affected from 0.0.0-0; 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/RUSTSEC-2025-0056/ (Markdown: https://insights.sbomify.com/RUSTSEC-2025-0056/index.md)
The adler crate is unmaintained, posing supply chain risks; developers should switch to the maintained adler2 alternative.
- Exploited in the wild
- Not known
- Login needed
- Not stated
- Attackable
- Not stated
- Victim action needed
- Not stated
- Fix
- None listed
What is RUSTSEC-2025-0056?
RUSTSEC-2025-0056 is a vulnerability in adler, published on 5 Sep 2025.
Official description
The adler crate is no longer actively maintained. If you rely on this crate, consider switching to a maintained alternative.
Recommended alternatives
Which versions are affected by RUSTSEC-2025-0056?
1 open source package ship an affected version, including adler.
| Package | Affected | Fixed in |
|---|---|---|
adler crates.io | From 0.0.0-0 | None |
How do I fix RUSTSEC-2025-0056?
No fix has been published for RUSTSEC-2025-0056 yet. Limit exposure of the affected software until one is available.
Is RUSTSEC-2025-0056 being exploited?
There is no known exploitation of RUSTSEC-2025-0056 in the wild and no public exploit code.