
CVE catalog
CVE-2026-45740
protobufjs compiles protobuf definitions into JavaScript (JS) functions. Prior to 7.5.8 and 8.2.0, protobufjs could recurse without a depth limit while expanding nested JSON descriptors through Root.f
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.26% · Oct 25, 2026
A flaw was found in protobufjs. This vulnerability allows a remote attacker to cause a Denial of Service (DoS) by providing a crafted JSON descriptor with deeply nested namespace definitions. This can lead to the exhaustion of the JavaScript call stack during descriptor loading, making the application unresponsive. protobufjs: protobufjs: Denial of Service via crafted JSON descriptors This is an Important denial of service flaw in protobufjs, which could allow a remote attacker to exhaust the JavaScript call stack by providing a specially crafted JSON descriptor with deeply nested namespace definitions. This vulnerability impacts Red Hat products that utilize protobufjs for processing protobuf definitions potentially leading to application unresponsiveness. The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Cpe | protobufjs | Not reported | 7.5.8 | fixed |
| Cpe | protobufjs | Not reported | 8.2.0 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Cpe | protobufjs | cpe | Not reported | 7.5.8 | Not reported | Not reported | Not reported |
| Cpe | protobufjs | cpe | Not reported | 8.2.0 | Not reported | Not reported | Not reported |
OpenFactory catalog packages
No matching packages in this catalog.
Observed:
References
- [https://nvd.nist.gov/vuln/detail/CVE-2026-45740]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45740.json]
- [https://wid.cert-bund.de/.well-known/csaf/white/2026/wid-sec-w-2026-2452.json]
[CERT-Bund public advisories] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [Red Hat security advisories and VEX]