CVE-2026-19508
Critical · 9.8CVSS
9.8
EPSS
0.8%
Published
Aug 19, 2026
CISA due date
—
The record
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 packages
| Ecosystem | Package | Introduced | Fixed |
|---|
Related vulnerabilities
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- CVE-2026-112073 A vulnerability was identified in Tencent ncnn up to 44b02dabdcf97499281a4692ebd65bad73dc… CWE-119
- CVE-2026-90831 A vulnerability was detected in GNU Binutils 2.47. CWE-119
- CVE-2026-90804 A vulnerability was detected in GNU Binutils 2.47. CWE-119
- CVE-2026-90803 A security vulnerability has been detected in GNU Binutils 2.47. CWE-119
- CVE-2026-90801 A security flaw has been discovered in GNU Binutils 2.47. CWE-119
- CVE-2026-87933 A vulnerability was found in DaveGamble cJSON up to 1.7.19. CWE-119
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