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CVE-2020-36325

Published: 26 April 2021

** DISPUTED ** 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.

Notes

AuthorNote
mdeslaur
this was an issue in the fuzzer code, not in the library itself
https://github.com/akheron/jansson/issues/548#issuecomment-828007511
disputed by upstream, marking as not-affected

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
jansson
Launchpad, Ubuntu, Debian
bionic Not vulnerable

focal Not vulnerable

groovy Not vulnerable

hirsute Not vulnerable

jammy Not vulnerable

kinetic Not vulnerable

lunar Not vulnerable

mantic Not vulnerable

trusty Needed

upstream Needs triage

xenial Not vulnerable

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H