CVE-2025-0755

Publication date 18 March 2025

Last updated 3 July 2025

Ubuntu priority

Cvss 3 Severity Score

Description

The various bson_append functions in the MongoDB C driver library may be susceptible to buffer overflow when performing operations that could result in a final BSON document which exceeds the maximum allowable size (INT32_MAX), resulting in a segmentation fault and possible application crash. This issue affected libbson versions prior to 1.27.5, MongoDB Server v8.0 versions prior to 8.0.1 and MongoDB Server v7.0 versions prior to 7.0.16

Status

Show unmaintained releases

Package	Ubuntu Release	Status
mongo-c-driver	25.10 questing	Not affected
	25.04 plucky	Not affected
	24.10 oracular	Not affected
	24.04 LTS noble	Fixed 1.26.0-1.1ubuntu2+esm1
	22.04 LTS jammy	Ignored changes too intrusive
	20.04 LTS focal	Ignored changes too intrusive

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package	Patch details
mongo-c-driver	Upstream: 63c3d6f Upstream: d3cdb62

Severity score breakdown

Parameter	Value
Base score	8.4 · High
Attack vector	Local
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	High
Integrity impact	High
Availability impact	High
Vector	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

Related Ubuntu Security Notices (USN)

USN-7613-1
mongo-c-driver vulnerabilities
2 July 2025