CVE-2021-45958 — Out-of-bounds Write in Project Ultrajson
Severity
5.5MEDIUMNVD
EPSS
0.3%
top 47.90%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedJan 1
Latest updateFeb 14
Description
UltraJSON (aka ujson) through 5.1.0 has a stack-based buffer overflow in Buffer_AppendIndentUnchecked (called from encode). Exploitation can, for example, use a large amount of indentation.
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6
Affected Packages2 packages
Also affects: Debian Linux 9.0, Fedora 35, 36, 37