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… (CVE-2026-19508)
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.
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… (CVE-2026-19508)
Description
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.
CVSS v3.1
Score 9.8critical
Weaknesses
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-p7m5-wh78-3h6h
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-19508"]
- Ecosystems
- []
- Database Specific Severity
- CRITICAL
- Cvss Version
- 3.1
Threat ID: 6a91a879acd9273b49069e75
Added to database: 08/28/2026, 15:25:45 UTC
Last updated: 08/28/2026, 18:07:18 UTC
Views: 5
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