CVE-2023-0437: medium-severity vulnerability in MongoDB C Driver
MongoDB client C Driver may infinitely loop when validating certain BSON input data
Published · Updated
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.3epss 1.1%
exploitation probability
1.1%top 35% of all CVEs
observed exploitation
nono source reports it
When calling bson_utf8_validate on some inputs a loop with an exit condition that cannot be reached may occur, i.e. an infinite loop. This issue affects All MongoDB C Driver versions prior to versions 1.25.0.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Affected products
MongoDB Inc · MongoDB C DriverRelated CVEs — MongoDB C Driver
In the same product, most dangerous first.
CVE-2021-32050MEDIUMSome MongoDB Drivers may publish events containing authentication-related data to a command listener configured by an applicationEPSS 0.6%CVE-2024-7553HIGHAccessing Untrusted Directory May Allow Local Privilege EscalationEPSS 0.3%CVE-2026-4359LOWHeap-buffer-over-read in _mongoc_http_send via strstr on non-null-terminated bufferEPSS 0.2%
References
https://jira.mongodb.org/browse/CDRIVER-4747https://lists.debian.org/debian-lts-announce/2025/05/msg00012.htmlhttps://lists.debian.org/debian-lts-announce/2025/05/msg00027.htmlhttps://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7GUVOAFZFSYTNBF6R7H4XJM5DHWBRQ6P/