The bson_strfreev function in the MongoDB C driver library may be susceptible to an integer overflow where the function will try to free memory at a negative offset. This may result in memory corruption. This issue affected libbson versions prior to 1.26.2
Exploitability
AV:LAC:LPR:NUI:NScope
S:UImpact
C:NI:LA:N4/CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:NOther