CVE-2026-29612: OpenClaw: denial of service through large base64 media files allocating large buffers before limit checks
(updated )
Base64-backed media inputs could be decoded into Buffers before enforcing decoded-size budgets. An attacker supplying oversized base64 payloads can force large allocations, causing memory pressure and denial of service.
References
- github.com/advisories/GHSA-w2cg-vxx6-5xjg
- github.com/openclaw/openclaw
- github.com/openclaw/openclaw/commit/31791233d60495725fa012745dde8d6ee69e9595
- github.com/openclaw/openclaw/releases/tag/v2026.2.14
- github.com/openclaw/openclaw/security/advisories/GHSA-w2cg-vxx6-5xjg
- nvd.nist.gov/vuln/detail/CVE-2026-29612
- www.vulncheck.com/advisories/openclaw-denial-of-service-via-large-base-media-file-decoding
Code Behaviors & Features
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