VDB

CVE-2026-19508

CVE-2026-19508 PUBLISHED

Reported by certcc · Published August 19, 2026

Heap-based buffer overflow in the multipart form-data parser in `jst_post.c` in RDK-B WebUI `rdkb-2025q4-kirkstone.04.10.26` allows a remote unauthenticated attacker to cause memory corruption and denial of service, and potentially execute arbitrary code, via a crafted multipart/form-data request.

Affected Products

VendorProductVersions
RDKRDK-B WebUIrdkb-2025q4-kirkstone
RDKRDK-B WebUIrdkb-2025q4-kirkstone

Timeline

  • Aug 19, 2026 CVE Published
  • Aug 22, 2026 Coalition ESS Score

References

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