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4 vulnerabilities by Corvusoft
CVE-2026-103472 (GCVE-0-2026-103472)
Vulnerability from nvd – Published: 2026-09-30 17:22 – Updated: 2026-09-30 17:22
VLAI
EPSS
VEX
Title
restbed through 5.0.0 WebSocket Memory Exhaustion via Unbounded Frame Buffering
Summary
restbed through 5.0.0 accepts WebSocket frames with declared payload lengths up to 2^63 bytes and buffers the payload without size limits in an unbounded stream buffer. Remote unauthenticated attackers can declare large frame sizes and stream payload data to exhaust server memory, causing denial of service through process crash.
Severity
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/Corvusoft/restbed/issues/558 | issue-tracking |
| https://github.com/Corvusoft/restbed | product |
| https://github.com/Corvusoft/restbed/blob/e1227a2… | technical-description |
| https://www.vulncheck.com/advisories/restbed-thro… | third-party-advisory |
Date Public
2026-09-30 00:00
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CVE-2026-103471 (GCVE-0-2026-103471)
Vulnerability from nvd – Published: 2026-09-30 17:22 – Updated: 2026-09-30 19:18
VLAI
EPSS
VEX
Title
restbed through 5.0.0 Denial of Service via Unbounded Header Buffering
Summary
restbed through 5.0.0 buffers HTTP request headers without enforcing a maximum size limit, allowing remote unauthenticated attackers to exhaust server memory. Attackers can open TCP connections and stream bytes indefinitely without sending the header delimiter, forcing the server to allocate unbounded heap memory until the process is killed.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 19:17 UTC
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/Corvusoft/restbed/issues/558 | issue-tracking |
| https://github.com/Corvusoft/restbed | product |
| https://github.com/Corvusoft/restbed/blob/e1227a2… | technical-description |
| https://github.com/Corvusoft/restbed/blob/e1227a2… | technical-description |
| https://www.vulncheck.com/advisories/restbed-thro… | third-party-advisory |
Date Public
2026-09-30 00:00
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CVE-2026-103472 (GCVE-0-2026-103472)
Vulnerability from cvelistv5 – Published: 2026-09-30 17:22 – Updated: 2026-09-30 17:22
VLAI
EPSS
VEX
Title
restbed through 5.0.0 WebSocket Memory Exhaustion via Unbounded Frame Buffering
Summary
restbed through 5.0.0 accepts WebSocket frames with declared payload lengths up to 2^63 bytes and buffers the payload without size limits in an unbounded stream buffer. Remote unauthenticated attackers can declare large frame sizes and stream payload data to exhaust server memory, causing denial of service through process crash.
Severity
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://github.com/Corvusoft/restbed/issues/558 | issue-tracking |
| https://github.com/Corvusoft/restbed | product |
| https://github.com/Corvusoft/restbed/blob/e1227a2… | technical-description |
| https://www.vulncheck.com/advisories/restbed-thro… | third-party-advisory |
Date Public
2026-09-30 00:00
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CVE-2026-103471 (GCVE-0-2026-103471)
Vulnerability from cvelistv5 – Published: 2026-09-30 17:22 – Updated: 2026-09-30 19:18
VLAI
EPSS
VEX
Title
restbed through 5.0.0 Denial of Service via Unbounded Header Buffering
Summary
restbed through 5.0.0 buffers HTTP request headers without enforcing a maximum size limit, allowing remote unauthenticated attackers to exhaust server memory. Attackers can open TCP connections and stream bytes indefinitely without sending the header delimiter, forcing the server to allocate unbounded heap memory until the process is killed.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-30 19:17 UTC
CWE
- CWE-770 - Allocation of Resources Without Limits or Throttling
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/Corvusoft/restbed/issues/558 | issue-tracking |
| https://github.com/Corvusoft/restbed | product |
| https://github.com/Corvusoft/restbed/blob/e1227a2… | technical-description |
| https://github.com/Corvusoft/restbed/blob/e1227a2… | technical-description |
| https://www.vulncheck.com/advisories/restbed-thro… | third-party-advisory |
Date Public
2026-09-30 00:00
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