Medium severity5.3NVD Advisory· Published May 13, 2026· Updated May 13, 2026
CVE-2026-45740
CVE-2026-45740
Description
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.fromJSON() and Namespace.addJSON(). A crafted JSON descriptor with deeply nested namespace definitions could cause the JavaScript call stack to be exhausted during descriptor loading. This vulnerability is fixed in 7.5.8 and 8.2.0.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
protobufjsnpm | < 7.5.8 | 7.5.8 |
protobufjsnpm | >= 8.0.0, < 8.2.0 | 8.2.0 |
Affected products
30cpe:2.3:a:protobufjs_project:protobufjs:*:*:*:*:*:node.js:*:*+ 1 more
- cpe:2.3:a:protobufjs_project:protobufjs:*:*:*:*:*:node.js:*:*range: <7.5.8
- (no CPE)range: <7.5.8, <8.2.0
- osv-coords28 versionspkg:apk/chainguard/cadence-webpkg:apk/chainguard/gemini-clipkg:apk/chainguard/jitsucom-jitsu-consolepkg:apk/chainguard/kibana-9.0pkg:apk/chainguard/kibana-9.0-bitnamipkg:apk/chainguard/kibana-9.0-iamguardedpkg:apk/chainguard/kibana-9.1pkg:apk/chainguard/kibana-9.1-iamguardedpkg:apk/chainguard/kibana-9.3pkg:apk/chainguard/kibana-9.3-iamguardedpkg:apk/chainguard/kibana-9.4pkg:apk/chainguard/kibana-9.4-iamguardedpkg:apk/chainguard/langfuse-3pkg:apk/chainguard/langfuse-3-workerpkg:apk/chainguard/langfuse-fips-2pkg:apk/chainguard/langfuse-fips-2-workerpkg:apk/chainguard/langfuse-fips-3pkg:apk/chainguard/langfuse-fips-3-workerpkg:apk/chainguard/librechatpkg:apk/chainguard/pulumi-language-nodejspkg:apk/chainguard/renovatepkg:apk/chainguard/vitess-23pkg:apk/wolfi/jitsucom-jitsu-consolepkg:apk/wolfi/langfuse-3pkg:apk/wolfi/langfuse-3-workerpkg:apk/wolfi/pulumi-language-nodejspkg:apk/wolfi/renovatepkg:apk/wolfi/vitess-23
< 4.0.15-r2+ 27 more
- (no CPE)range: < 4.0.15-r2
- (no CPE)range: < 0.44.0-r0
- (no CPE)range: < 2.11.0-r24
- (no CPE)range: < 9.0.8-r29
- (no CPE)range: < 9.0.8-r29
- (no CPE)range: < 9.0.8-r29
- (no CPE)range: < 9.1.10-r18
- (no CPE)range: < 9.1.10-r18
- (no CPE)range: < 9.3.4-r4
- (no CPE)range: < 9.3.4-r4
- (no CPE)range: < 9.4.2-r2
- (no CPE)range: < 9.4.2-r2
- (no CPE)range: < 3.175.0-r0
- (no CPE)range: < 3.175.0-r0
- (no CPE)range: < 2.95.12-r25
- (no CPE)range: < 2.95.12-r25
- (no CPE)range: < 3.175.0-r0
- (no CPE)range: < 3.175.0-r0
- (no CPE)range: < 0.8.5-r1
- (no CPE)range: < 3.243.0-r2
- (no CPE)range: < 43.170.15-r2
- (no CPE)range: < 23.0.4-r5
- (no CPE)range: < 2.11.0-r24
- (no CPE)range: < 3.175.0-r0
- (no CPE)range: < 3.175.0-r0
- (no CPE)range: < 3.243.0-r2
- (no CPE)range: < 43.170.15-r2
- (no CPE)range: < 23.0.4-r5
Patches
Vulnerability mechanics
References
3- github.com/advisories/GHSA-jggg-4jg4-v7c6ghsaADVISORY
- github.com/protobufjs/protobuf.js/security/advisories/GHSA-jggg-4jg4-v7c6nvdMitigationVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-45740ghsaADVISORY
News mentions
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