CVE-2020-35381 Denial of Service in jsonparser

What is CVE-2020-35381?

CVE-2020-35381 is a high-severity denial of service vulnerability in Fedoraproject Fedora, published on 15 Dec 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

jsonparser 1.0.0 allows attackers to cause a denial of service (panic: runtime error: slice bounds out of range) via a GET call.

Which versions are affected by CVE-2020-35381?

3 open source packages ship an affected version, including github.com/buger/jsonparser. It affects 2 products.

Products include Fedoraproject Fedora, Jsonparser Project Jsonparser.

How do I fix CVE-2020-35381?

Upgrade github.com/buger/jsonparser to 1.1.1 or later.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2020-35381 being exploited?

There is no known exploitation of CVE-2020-35381 in the wild and no public exploit code.

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• CVE-2024-4947 Google Chromium V8 Type Confusion Exploited Critical 9.6
• CVE-2024-4671 Google Chromium Visuals Use-After-Free Exploited Critical 9.6

All Fedoraproject Fedora vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as DEBIAN-CVE-2020-35381, GHSA-8vrw-m3j9-j27c, GO-2021-0057, ROOT-APP-GOBINARY-CVE-2020-35381, UBUNTU-CVE-2020-35381.