CVE-2021-42780 A use after return issue was found in Opensc before version 0.22.0 in insert_pin function that could potentially crash programs using the library.
Medium 5.3
Published
Updated
Check this codebase for CVE-2021-42780 and fix it if it is affected.
What it is: CVE-2021-42780 is a medium-severity vulnerability in Fedoraproject Fedora, published on 18 Apr 2022.
Exploitation: There is no known exploitation of CVE-2021-42780 in the wild and no public exploit code.
Affected product: Fedoraproject Fedora. 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-2021-42780/ (Markdown: https://insights.sbomify.com/CVE-2021-42780/index.md)
- Exploited in the wild
- Not known
- Fix
- Available
What is CVE-2021-42780?
CVE-2021-42780 is a medium-severity vulnerability in Fedoraproject Fedora, published on 18 Apr 2022.
Official description
A use after return issue was found in Opensc before version 0.22.0 in insert_pin function that could potentially crash programs using the library.
Weakness: CWE-252
Which versions are affected by CVE-2021-42780?
It affects 3 products.
Products include Fedoraproject Fedora, Opensc Project Opensc, Redhat Enterprise Linux.
How do I fix CVE-2021-42780?
Upgrade to a fixed version.
Is CVE-2021-42780 being exploited?
There is no known exploitation of CVE-2021-42780 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as AZL-9483, DEBIAN-CVE-2021-42780, GHSA-7wjg-mhwg-m2rc, UBUNTU-CVE-2021-42780.