CWE-606
Unchecked Input for Loop Condition
The product does not properly check inputs that are used for loop conditions, potentially leading to a denial of service or other consequences because of excessive looping.
CVE-2024-8508 (GCVE-0-2024-8508)
Vulnerability from cvelistv5 – Published: 2024-10-03 16:27 – Updated: 2024-11-14 21:02
VLAI
Title
Unbounded name compression could lead to Denial of Service
Summary
NLnet Labs Unbound up to and including version 1.21.0 contains a vulnerability when handling replies with very large RRsets that it needs to perform name compression for. Malicious upstreams responses with very large RRsets can cause Unbound to spend a considerable time applying name compression to downstream replies. This can lead to degraded performance and eventually denial of service in well orchestrated attacks. The vulnerability can be exploited by a malicious actor querying Unbound for the specially crafted contents of a malicious zone with very large RRsets. Before Unbound replies to the query it will try to apply name compression which was an unbounded operation that could lock the CPU until the whole packet was complete. Unbound version 1.21.1 introduces a hard limit on the number of name compression calculations it is willing to do per packet. Packets that need more compression will result in semi-compressed packets or truncated packets, even on TCP for huge messages, to avoid locking the CPU for long. This change should not affect normal DNS traffic.
Severity
5.3 (Medium)
CWE
- CWE-606 - Unchecked Input for Loop Condition
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://www.nlnetlabs.nl/downloads/unbound/CVE-20… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| NLnet Labs | Unbound |
Affected:
0 , ≤ 1.21.0
(semver)
|
Date Public
2024-10-03 00:00
Credits
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CVE-2025-32399 (GCVE-0-2025-32399)
Vulnerability from cvelistv5 – Published: 2025-05-07 07:05 – Updated: 2025-05-07 14:02
VLAI
Summary
An Unchecked Input for Loop Condition in RT-Labs P-Net version 1.0.1 or earlier allows an attacker to cause IO devices that use the library to enter an infinite loop by sending a malicious RPC packet.
Severity
5.3 (Medium)
CWE
- CWE-606 - Unchecked Input for Loop Condition
Assigner
References
1 reference
Credits
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CVE-2025-42930 (GCVE-0-2025-42930)
Vulnerability from cvelistv5 – Published: 2025-09-09 02:11 – Updated: 2025-09-09 13:32
VLAI
Title
Denial of Service (DoS) vulnerability in SAP Business Planning and Consolidation
Summary
SAP Business Planning and Consolidation allows an authenticated standard user to call a function module by crafting specific parameters that causes a loop, consuming excessive resources and resulting in system unavailability. This leads to high impact on the availability of the application, there is no impact on confidentiality or integrity.
Severity
6.5 (Medium)
CWE
- CWE-606 - Unchecked Input for Loop Condition
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SAP_SE | SAP Business Planning and Consolidation |
Affected:
BPC4HANA 200
Affected: 300 Affected: SAP_BW 750 Affected: 751 Affected: 752 Affected: 753 Affected: 754 Affected: 755 Affected: 756 Affected: 757 Affected: 758 Affected: 816 Affected: 914 Affected: CPMBPC 810 |
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CVE-2025-43801 (GCVE-0-2025-43801)
Vulnerability from cvelistv5 – Published: 2025-09-16 16:09 – Updated: 2025-09-16 18:26
VLAI
Summary
Unchecked input for loop condition vulnerability in XML-RPC in Liferay Portal 7.4.0 through 7.4.3.111, and older unsupported versions, and Liferay DXP 2023.Q4.0, 2023.Q3.1 through 2023.Q3.4, 7.4 GA through update 92, 7.3 GA through update 35, and older unsupported versions allows remote attackers to perform a denial-of-service (DoS) attacks via a crafted XML-RPC request.
Severity
CWE
- CWE-606 - Unchecked Input for Loop Condition
Assigner
References
1 reference
Impacted products
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CVE-2026-0243 (GCVE-0-2026-0243)
Vulnerability from cvelistv5 – Published: 2026-05-13 19:10 – Updated: 2026-05-14 10:48
VLAI
Title
Prisma SD-WAN: Denial of Service (DoS) Vulnerability Through IPv6 Crafted Packet
Summary
A denial of service (DoS) vulnerability in Palo Alto Networks Prisma SD-WAN ION devices enables an unauthenticated attacker in a network adjacent to a Prisma SD-WAN ION device to cause a system disruption by sending a specially crafted IPv6 packet.
Severity
CWE
- CWE-606 - Unchecked Input for Loop Condition
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://security.paloaltonetworks.com/CVE-2026-0243 | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Palo Alto Networks | Prisma SD-WAN ION |
Affected:
6.5.0 , < 25.3.3
(custom)
Affected: 6.4.0 , < 25.1.8 (custom) Affected: 6.3.0 , < 24.3.6 (custom) Unaffected: 6.1.0 (custom) Unaffected: 5.6.0 (custom) |
Date Public
2026-05-13 16:00
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CVE-2026-1519 (GCVE-0-2026-1519)
Vulnerability from cvelistv5 – Published: 2026-03-25 13:25 – Updated: 2026-04-13 09:35
VLAI
Title
Excessive NSEC3 iterations cause high CPU load during insecure delegation validation
Summary
If a BIND resolver is performing DNSSEC validation and encounters a maliciously crafted zone, the resolver may consume excessive CPU. Authoritative-only servers are generally unaffected, although there are circumstances where authoritative servers may make recursive queries (see: https://kb.isc.org/docs/why-does-my-authoritative-server-make-recursive-queries).
This issue affects BIND 9 versions 9.11.0 through 9.16.50, 9.18.0 through 9.18.46, 9.20.0 through 9.20.20, 9.21.0 through 9.21.19, 9.11.3-S1 through 9.16.50-S1, 9.18.11-S1 through 9.18.46-S1, and 9.20.9-S1 through 9.20.20-S1.
Severity
7.5 (High)
CWE
- CWE-606 - Unchecked Input for Loop Condition
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://kb.isc.org/docs/cve-2026-1519 | vendor-advisory |
| https://downloads.isc.org/isc/bind9/9.18.47 | patch |
| https://downloads.isc.org/isc/bind9/9.20.21 | patch |
| https://downloads.isc.org/isc/bind9/9.21.20 | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| ISC | BIND 9 |
Affected:
9.11.0 , ≤ 9.16.50
(custom)
Affected: 9.18.0 , ≤ 9.18.46 (custom) Affected: 9.20.0 , ≤ 9.20.20 (custom) Affected: 9.21.0 , ≤ 9.21.19 (custom) Affected: 9.11.3-S1 , ≤ 9.16.50-S1 (custom) Affected: 9.18.11-S1 , ≤ 9.18.46-S1 (custom) Affected: 9.20.9-S1 , ≤ 9.20.20-S1 (custom) |
Date Public
2026-03-25 00:00
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CVE-2026-23689 (GCVE-0-2026-23689)
Vulnerability from cvelistv5 – Published: 2026-02-10 03:03 – Updated: 2026-02-27 14:27
VLAI
Title
Denial of service (DOS) in SAP Supply Chain Management
Summary
Due to an uncontrolled resource consumption (Denial of Service) vulnerability, an authenticated attacker with regular user privileges and network access can repeatedly invoke a remote-enabled function module with an excessively large loop-control parameter. This triggers prolonged loop execution that consumes excessive system resources, potentially rendering the system unavailable. Successful exploitation results in a denial-of-service condition that impacts availability, while confidentiality and integrity remain unaffected.
Severity
7.7 (High)
CWE
- CWE-606 - Unchecked Input for Loop Condition
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SAP_SE | SAP Supply Chain Management |
Affected:
SCMAPO 713
Affected: 714 Affected: SCM 700 Affected: 701 Affected: 702 Affected: 712 |
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CVE-2026-27689 (GCVE-0-2026-27689)
Vulnerability from cvelistv5 – Published: 2026-03-10 00:19 – Updated: 2026-03-10 16:52
VLAI
Title
Denial of service (DOS) in SAP Supply Chain Management
Summary
Due to an uncontrolled resource consumption (Denial of Service) vulnerability, an authenticated attacker with regular user privileges and network access can repeatedly invoke a remote-enabled function module with an excessively large loop-control parameter. This triggers prolonged loop execution that consumes excessive system resources, potentially rendering the system unavailable. Successful exploitation results in a denial-of-service condition that impacts availability, while confidentiality and integrity remain unaffected.
Severity
7.7 (High)
CWE
- CWE-606 - Unchecked Input for Loop Condition
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| SAP_SE | SAP Supply Chain Management |
Affected:
SCMAPO 713
Affected: 714 Affected: S4CORE 102 Affected: 103 Affected: 104 Affected: S4COREOP 105 Affected: 106 Affected: 107 Affected: 108 Affected: 109 Affected: SCM 700 Affected: 701 Affected: 702 Affected: 712 |
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CVE-2026-5950 (GCVE-0-2026-5950)
Vulnerability from cvelistv5 – Published: 2026-05-20 13:10 – Updated: 2026-05-20 13:38
VLAI
Title
Unbounded resend loop in BIND 9 resolver
Summary
An unbounded resend loop vulnerability exists in the BIND 9 resolver state machine during bad-server handling, enabling a remote unauthenticated attacker to cause severe resource exhaustion by sending queries that trigger specific retry conditions.
This issue affects BIND 9 versions 9.18.36 through 9.18.48, 9.20.8 through 9.20.22, 9.21.7 through 9.21.21, 9.18.36-S1 through 9.18.48-S1, and 9.20.9-S1 through 9.20.22-S1.
Severity
5.3 (Medium)
CWE
- CWE-606 - Unchecked Input for Loop Condition
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://kb.isc.org/docs/cve-2026-5950 | vendor-advisory |
| https://downloads.isc.org/isc/bind9/9.18.49 | patch |
| https://downloads.isc.org/isc/bind9/9.20.23 | patch |
| https://downloads.isc.org/isc/bind9/9.21.22 | patch |
Impacted products
Date Public
2026-05-20 00:00
Credits
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Mitigation
Phase: Implementation
Description:
- Do not use user-controlled data for loop conditions.
Mitigation
Phase: Implementation
Description:
- Perform input validation.
No CAPEC attack patterns related to this CWE.