yyjson through 0.8.0 has a double free, leading to remote code execution in some cases, because the pool_free function lacks loop checks. (pool_free is part of the pool series allocator, along with pool_malloc and pool_realloc.)
https://github.com/ibireme/yyjson/security/advisories/GHSA-q4m7-9pcm-fpxh
Published: 2024-02-29
Updated: 2024-08-28
Base Score: 9
Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:C/A:P
Severity: High
Base Score: 8.6
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:L
Severity: High
Base Score: 8.8
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:L/SC:N/SI:N/SA:N
Severity: High