Description
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
Scores
CVSS v3
4.0
EPSS
0.0040
EPSS Percentile
60.8%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-680
Status
published
Products (1)
mongodb/libbson
< 1.26.2
Published
Jul 02, 2024
Tracked Since
Feb 18, 2026