cve.bz

CVE-2023-36665

9.8 criticalEPSS 1.7%

Critical (9.8) in protobufjs project protobufjs. EPSS 1.7% chance of exploitation in the next 30 days. Fixed in protobufjs 6.11.4, 7.2.5.

"protobuf.js (aka protobufjs) 6.10.0 through 7.x before 7.2.5 allows Prototype Pollution, a different vulnerability than CVE-2022-25878. A user-controlled protobuf message can be used by an attacker to pollute the prototype of Object.prototype by adding and overwriting its data and functions. Exploitation can involve: (1) using the function parse to parse protobuf messages on the fly, (2) loading .proto files by using load/loadSync functions, or (3) providing untrusted input to the functions ReflectionObject.setParsedOption and util.setProperty.

Severity

CVSS 3.1

9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
1.7% chance of exploitation in the next 30 days; higher than 77% of CVEs (scores of 2026-10-31)
CWE
CWE-1321
Published
Modified
Record from
the NVD, synced

Affected

Packages (OSV)

AdvisoryEcosystemPackageAffectedFixed in
GHSA-h755-8qp9-cq85npmprotobufjs>=7.0.0 <7.2.57.2.5
GHSA-h755-8qp9-cq85npmprotobufjs>=6.10.0 <6.11.46.11.4

References

Check your stackJSON