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No exploitation reportedFix available

CVE-2020-36325

No exploitation reported by the sources we read.

  • Published2021-04-26
  • WeaknessCWE-125

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

An issue was discovered in Jansson through 2.13.1. Due to a parsing error in json_loads, there's an out-of-bounds read-access bug. NOTE: the vendor reports that this only occurs when a programmer fails to follow the API specification

Timeline

dates in UTC
  1. 2021-04-2618:15CVE publishedNVD

Versions per branch

NVD
Jansson project jansson
BranchAffectedFixed in
2.13≤ 2.13.1no 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

  • janssonRoot:Debian:12all versions · fixed in 2.14-2.root.io.2and 1 other package
  • janssonRoot:Debian:12all versions · fixed in 2.14-2.aikido.3and 1 other package
  • janssonCleanStartall versions · fixed in 0
  • janssonAzure Linux:2all versions · fixed in 2.14-1

Vendor advisories

  • CVE-2020-36325 Red Hat Product Security

    jansson: out-of-bounds read in json_loads() due to a parsing error

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

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
2021-04-26
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-6p5j-2wf2-jfc6

Frequently asked questions

What is CVE-2020-36325?

An issue was discovered in Jansson through 2.13.1. Due to a parsing error in json_loads, there's an out-of-bounds read-access bug. NOTE: the vendor reports that this only occurs when a programmer fails to follow the API specification

Is CVE-2020-36325 actively exploited?

Active exploitation of CVE-2020-36325 has not been confirmed. Its EPSS score was 1.7% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-36325?

CVE-2020-36325 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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