Vulnerability · Published May 16, 2025 · Assigned by CPANSec
CVE-2025-40906BSON::XS versions 0.8.4 and earlier for Perl includes a bundled libbson 1.1.7, which has several vulnerabilities
Critical 9.8
In plain English
A critical-severity heap buffer overflow in BSON::XS from MONGODB. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 51% of all known vulnerabilities).
Official description
BSON::XS versions 0.8.4 and earlier for Perl includes a bundled libbson 1.1.7, which has several vulnerabilities. Those include CVE-2017-14227, CVE-2018-16790, CVE-2023-0437, CVE-2024-6381, CVE-2024-6383, and CVE-2025-0755. BSON-XS was the official Perl XS implementation of MongoDB's BSON serialization, but this distribution has reached its end of life as of August 13, 2020 and is no longer supported.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | libbson-xs-perl | no fix listed | DEBIAN-CVE-2025-40906 |
| Ubuntu:22.04:LTS | libbson-xs-perl | no fix listed | UBUNTU-CVE-2025-40906 |
| Ubuntu:24.04:LTS | libbson-xs-perl | no fix listed | UBUNTU-CVE-2025-40906 |
Affected products (as reported)
Weakness: CWE-1395, CWE-1104, CWE-122, CWE-190 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H