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No exploitation reportedFix available

CVE-2020-35381

No exploitation reported by the sources we read.

  • Published2020-12-15
  • Fixed in1.1.1

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2020-12-1521:15CVE publishedNVD

Versions per branch

OSV · NVD
buger/jsonparser
BranchAffectedFixed in
1.1< 1.1.11.1.1
Fedoraproject fedora
BranchAffectedFixed in
32.x= 32no fix published
33.x= 33no fix published
Jsonparser project jsonparser
BranchAffectedFixed in
1.0= 1.0.0no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • github.com/buger/jsonparserRoot:Goall versions · fixed in v1.1.1-aikido.4
  • golang-github-buger-jsonparserUbuntu:20.04:LTSall versions · no fixed version listed
  • golang-github-buger-jsonparserUbuntu:18.04:LTSall versions · no fixed version listed
  • golang-github-buger-jsonparserDebian:14all versions · fixed in 1.1.1-1
  • golang-github-buger-jsonparserDebian:13all versions · fixed in 1.1.1-1
  • golang-github-buger-jsonparserDebian:12all versions · fixed in 1.1.1-1
  • rootio-github.com/buger/jsonparserRoot:Goall versions · fixed in v1.1.1-root.io.4

Vendor advisories

  • CVE-2020-35381 Red Hat Product Security2 known affected

    jsonparser: GET call can lead to a slice bounds out of range

    rhacm2/search-aggregator-rhel8 as a component of Red Hat Advanced Cluster Management for Kubernetes 2 · rhacm2/search-collector-rhel8 as a component of Red Hat Advanced Cluster Management for Kubernetes 2

  • RHEA-2021:0729 Red Hat Product Security78 products fixed

    Red Hat Enhancement Advisory: Red Hat Advanced Cluster Management for Kubernetes version 2.2 images

Full record on NVD

Fix

  1. Update buger/jsonparser to 1.1.1
  2. Vendor fix Red Hat Product Security RHEA-2021:0729 · 78 productsBefore applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/documentation/en-us/red_hat_advanced_cluster_management_for_kubernetes/2.2/html-single/install/index#instal…
  3. No fix available, says the vendor Red Hat Product Security CVE-2020-35381 · 2 productsAffected

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2020-12-15
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-8vrw-m3j9-j27c

Frequently asked questions

What is CVE-2020-35381?

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

Is CVE-2020-35381 actively exploited?

Active exploitation of CVE-2020-35381 has not been confirmed. Its EPSS score was 2.3% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-35381?

CVE-2020-35381 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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Sources for this record