CVE-2021-45958 is a stack-based buffer overflow vulnerability in UltraJSON (ujson) versions through 5.1.0, affecting various Debian and Fedora distributions. This medium-severity flaw (CVSS 5.5) can be triggered by a local attacker through user interaction, potentially leading to a denial of service due to a large amount of indentation during JSON encoding. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 5.2.0CPE matchmatch criteria | cpe:2.3:a:ultrajson_project:ultrajson:*:*:*:*:*:python:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
35CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | ||
36CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* | ||
37CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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