CWE-404
Improper Resource Shutdown or Release
The product does not release or incorrectly releases a resource before it is made available for re-use.
CVE-2026-5661 (GCVE-0-2026-5661)
Vulnerability from cvelistv5 – Published: 2026-04-06 14:08 – Updated: 2026-04-06 14:55
VLAI
Title
Free5GC NGSetupRequest denial of service
Summary
A vulnerability was identified in Free5GC 4.2.0. This affects an unknown function of the component NGSetupRequest Handler. Such manipulation leads to denial of service. The attack may be launched remotely. The exploit is publicly available and might be used.
Severity
CWE
- CWE-404 - Denial of Service
Assigner
References
7 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/355485 | vdb-entry |
| https://vuldb.com/vuln/355485/cti | signaturepermissions-required |
| https://vuldb.com/submit/785896 | third-party-advisory |
| https://github.com/free5gc/free5gc/issues/832 | issue-tracking |
| https://github.com/free5gc/amf/pull/201 | issue-trackingpatch |
| https://github.com/user-attachments/files/2558119… | exploit |
| https://github.com/free5gc/free5gc/ | product |
Impacted products
Credits
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CVE-2026-6042 (GCVE-0-2026-6042)
Vulnerability from cvelistv5 – Published: 2026-04-10 09:00 – Updated: 2026-04-10 15:54
VLAI
Title
musl libc GB18030 4-byte Decoder iconv.c iconv algorithmic complexity
Summary
A security flaw has been discovered in musl libc up to 1.2.6. Affected is the function iconv of the file src/locale/iconv.c of the component GB18030 4-byte Decoder. Performing a manipulation results in inefficient algorithmic complexity. The attack must be initiated from a local position. To fix this issue, it is recommended to deploy a patch.
Severity
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/356620 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/356620/cti | signaturepermissions-required |
| https://vuldb.com/submit/796352 | third-party-advisory |
| https://www.openwall.com/lists/oss-security/2026/… | related |
| https://www.openwall.com/lists/oss-security/2026/… | patch |
Impacted products
Credits
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CVE-2026-6601 (GCVE-0-2026-6601)
Vulnerability from cvelistv5 – Published: 2026-04-20 03:30 – Updated: 2026-04-20 16:09
VLAI
Title
Lagom WHMCS Template Datatables resource consumption
Summary
A vulnerability has been found in Lagom WHMCS Template up to 2.4.2. This impacts an unknown function of the component Datatables. The manipulation leads to resource consumption. Remote exploitation of the attack is possible. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/358236 | vdb-entry |
| https://vuldb.com/vuln/358236/cti | signaturepermissions-required |
| https://vuldb.com/submit/791943 | third-party-advisory |
| https://github.com/devsamuelsantiago/lagom-whmcs-… | exploit |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Lagom | WHMCS Template |
Affected:
2.4.0
Affected: 2.4.1 Affected: 2.4.2 |
Credits
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CVE-2026-6607 (GCVE-0-2026-6607)
Vulnerability from cvelistv5 – Published: 2026-04-20 05:00 – Updated: 2026-04-20 11:37 X_Open Source
VLAI
Title
lm-sys fastchat Worker API Endpoint api_generate resource consumption
Summary
A security vulnerability has been detected in lm-sys fastchat up to 0.2.36. This issue affects the function api_generate of the component Worker API Endpoint. The manipulation leads to resource consumption. The attack can be initiated remotely. The exploit has been disclosed publicly and may be used. The identifier of the patch is c9e84b89c91d45191dc24466888de526fa04cf33. It is suggested to install a patch to address this issue. Commit ff66426 patched this issue in api_generate of base_model_worker.py and did miss other entry points.
Severity
Assigner
References
8 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/358242 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/358242/cti | signaturepermissions-required |
| https://vuldb.com/submit/792227 | third-party-advisory |
| https://github.com/lm-sys/FastChat/issues/3833 | issue-tracking |
| https://github.com/lm-sys/FastChat/pull/3835 | issue-trackingpatch |
| https://gist.github.com/YLChen-007/87216a2d97a882… | exploit |
| https://github.com/lm-sys/FastChat/commit/c9e84b8… | patch |
| https://github.com/lm-sys/FastChat/ | product |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| lm-sys | fastchat |
Affected:
0.2.0
Affected: 0.2.1 Affected: 0.2.2 Affected: 0.2.3 Affected: 0.2.4 Affected: 0.2.5 Affected: 0.2.6 Affected: 0.2.7 Affected: 0.2.8 Affected: 0.2.9 Affected: 0.2.10 Affected: 0.2.11 Affected: 0.2.12 Affected: 0.2.13 Affected: 0.2.14 Affected: 0.2.15 Affected: 0.2.16 Affected: 0.2.17 Affected: 0.2.18 Affected: 0.2.19 Affected: 0.2.20 Affected: 0.2.21 Affected: 0.2.22 Affected: 0.2.23 Affected: 0.2.24 Affected: 0.2.25 Affected: 0.2.26 Affected: 0.2.27 Affected: 0.2.28 Affected: 0.2.29 Affected: 0.2.30 Affected: 0.2.31 Affected: 0.2.32 Affected: 0.2.33 Affected: 0.2.34 Affected: 0.2.35 Affected: 0.2.36 cpe:2.3:a:lm-sys:fastchat:*:*:*:*:*:*:*:* |
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CVE-2026-6797 (GCVE-0-2026-6797)
Vulnerability from cvelistv5 – Published: 2026-04-21 20:45 – Updated: 2026-04-22 17:30
VLAI
Title
Sanluan PublicCMS DocToHtmlUtils.java ZipSecureFile.setMinflateRatio resource consumption
Summary
A vulnerability was identified in Sanluan PublicCMS up to 6.202506.d. Affected by this vulnerability is the function ZipSecureFile.setMinflateRatio of the file common/src/main/java/com/publiccms/common/tools/DocToHtmlUtils.java. Such manipulation leads to resource consumption. It is possible to launch the attack remotely. The vendor was contacted early about this disclosure but did not respond in any way.
Severity
Assigner
References
3 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/358491 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/358491/cti | signaturepermissions-required |
| https://vuldb.com/submit/794798 | third-party-advisory |
Impacted products
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CVE-2026-6985 (GCVE-0-2026-6985)
Vulnerability from cvelistv5 – Published: 2026-04-25 16:15 – Updated: 2026-04-27 12:35 X_Open Source
VLAI
Title
Cesanta Mongoose TCP Option net_builtin.c handle_opt infinite loop
Summary
A weakness has been identified in Cesanta Mongoose up to 7.20. This vulnerability affects the function handle_opt of the file /src/net_builtin.c of the component TCP Option Handler. This manipulation of the argument optlen causes infinite loop. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 7.21 is able to resolve this issue. Upgrading the affected component is advised. VulDB has contacted the vendor early and they confirmed quickly, that this issue got fixed already.
Severity
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/359528 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/359528/cti | signaturepermissions-required |
| https://vuldb.com/submit/796230 | third-party-advisory |
| https://github.com/dwBruijn/CVEs/blob/main/Mongoo… | exploit |
| https://github.com/cesanta/mongoose/releases/tag/7.21 | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cesanta | Mongoose |
Affected:
7.0
Affected: 7.1 Affected: 7.2 Affected: 7.3 Affected: 7.4 Affected: 7.5 Affected: 7.6 Affected: 7.7 Affected: 7.8 Affected: 7.9 Affected: 7.10 Affected: 7.11 Affected: 7.12 Affected: 7.13 Affected: 7.14 Affected: 7.15 Affected: 7.16 Affected: 7.17 Affected: 7.18 Affected: 7.19 Affected: 7.20 Unaffected: 7.21 cpe:2.3:a:cesanta:mongoose:*:*:*:*:*:*:*:* |
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CVE-2026-7263 (GCVE-0-2026-7263)
Vulnerability from cvelistv5 – Published: 2026-05-10 04:43 – Updated: 2026-05-11 13:04
VLAI
Title
DoS attack via DOMNode::C14N()
Summary
In PHP versions 8.4.* before 8.4.21 and 8.5.* before 8.5.6, DOMNode::C14N() method may process the XML data incorrectly, causing a circular linked list in the data structure representing the XML document. This may cause subsequent processing of the XML document to enter infinite loop, causing denial of service in the processing application.
Severity
CWE
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://github.com/php/php-src/security/advisorie… | vendor-advisory |
Impacted products
Date Public
2026-05-07 00:00
Credits
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CVE-2026-7518 (GCVE-0-2026-7518)
Vulnerability from cvelistv5 – Published: 2026-05-01 00:30 – Updated: 2026-05-01 21:25
VLAI
Title
Open5GS AMF SBI Endpoint sdmsubscription-notify amf_namf_callback_handle_sdm_data_change_notify denial of service
Summary
A flaw has been found in Open5GS up to 2.7.7. This issue affects the function amf_namf_callback_handle_sdm_data_change_notify of the file /namf-callback/v1/{id}/sdmsubscription-notify of the component AMF SBI Endpoint. This manipulation of the argument changeItem.newValue causes denial of service. The attack can be initiated remotely. The exploit has been published and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity
CWE
- CWE-404 - Denial of Service
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/360332 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/360332/cti | signaturepermissions-required |
| https://vuldb.com/submit/804023 | third-party-advisory |
| https://github.com/open5gs/open5gs/issues/4395 | exploitissue-tracking |
| https://github.com/open5gs/open5gs/ | product |
Impacted products
Credits
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CVE-2026-7535 (GCVE-0-2026-7535)
Vulnerability from cvelistv5 – Published: 2026-05-01 01:00 – Updated: 2026-05-04 13:27
VLAI
Title
Open5GS transfer-update denial of service
Summary
A vulnerability was found in Open5GS up to 2.7.7. This affects the function amf_namf_comm_handle_registration_status_update_request in the library /lib/app/ogs-init.c of the file /namf-comm/v1/ue-contexts/{ueContextId}/transfer-update. Performing a manipulation of the argument ueContextId results in denial of service. The attack can be initiated remotely. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.
Severity
CWE
- CWE-404 - Denial of Service
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/360352 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/360352/cti | signaturepermissions-required |
| https://vuldb.com/submit/804291 | third-party-advisory |
| https://vuldb.com/submit/804303 | third-party-advisory |
| https://github.com/open5gs/open5gs/issues/4399 | exploitissue-tracking |
| https://github.com/open5gs/open5gs/ | product |
Impacted products
Credits
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CVE-2026-7536 (GCVE-0-2026-7536)
Vulnerability from cvelistv5 – Published: 2026-05-01 01:15 – Updated: 2026-05-01 19:30
VLAI
Title
Open5GS BSF pcfBindings bsf_sess_add_by_ip_address denial of service
Summary
A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function bsf_sess_add_by_ip_address of the file /nbsf-management/v1/pcfBindings of the component BSF. Executing a manipulation of the argument ipv4Addr can lead to denial of service. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet.
Severity
CWE
- CWE-404 - Denial of Service
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/360353 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/360353/cti | signaturepermissions-required |
| https://vuldb.com/submit/804292 | third-party-advisory |
| https://github.com/open5gs/open5gs/issues/4400 | exploitissue-tracking |
| https://github.com/open5gs/open5gs/ | product |
Impacted products
Credits
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"version": "2.7.4"
},
{
"status": "affected",
"version": "2.7.5"
},
{
"status": "affected",
"version": "2.7.6"
},
{
"status": "affected",
"version": "2.7.7"
}
]
}
],
"credits": [
{
"lang": "en",
"type": "reporter",
"value": "ZiyuLin (VulDB User)"
},
{
"lang": "en",
"type": "coordinator",
"value": "VulDB CNA Team"
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was determined in Open5GS up to 2.7.7. This vulnerability affects the function bsf_sess_add_by_ip_address of the file /nbsf-management/v1/pcfBindings of the component BSF. Executing a manipulation of the argument ipv4Addr can lead to denial of service. The attack can be launched remotely. The exploit has been publicly disclosed and may be utilized. The project was informed of the problem early through an issue report but has not responded yet."
}
],
"metrics": [
{
"cvssV4_0": {
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
"version": "4.0"
}
},
{
"cvssV3_1": {
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R",
"version": "3.1"
}
},
{
"cvssV3_0": {
"baseScore": 5.3,
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R",
"version": "3.0"
}
},
{
"cvssV2_0": {
"baseScore": 5,
"vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:ND/RC:UR",
"version": "2.0"
}
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-404",
"description": "Denial of Service",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-05-01T01:15:11.824Z",
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB"
},
"references": [
{
"name": "VDB-360353 | Open5GS BSF pcfBindings bsf_sess_add_by_ip_address denial of service",
"tags": [
"vdb-entry",
"technical-description"
],
"url": "https://vuldb.com/vuln/360353"
},
{
"name": "VDB-360353 | CTI Indicators (IOB, IOC, TTP, IOA)",
"tags": [
"signature",
"permissions-required"
],
"url": "https://vuldb.com/vuln/360353/cti"
},
{
"name": "Submit #804292 | Open5gs BSF v2.7.7 Denial of Service",
"tags": [
"third-party-advisory"
],
"url": "https://vuldb.com/submit/804292"
},
{
"tags": [
"exploit",
"issue-tracking"
],
"url": "https://github.com/open5gs/open5gs/issues/4400"
},
{
"tags": [
"product"
],
"url": "https://github.com/open5gs/open5gs/"
}
],
"timeline": [
{
"lang": "en",
"time": "2026-04-30T00:00:00.000Z",
"value": "Advisory disclosed"
},
{
"lang": "en",
"time": "2026-04-30T02:00:00.000Z",
"value": "VulDB entry created"
},
{
"lang": "en",
"time": "2026-04-30T20:22:45.000Z",
"value": "VulDB entry last update"
}
],
"title": "Open5GS BSF pcfBindings bsf_sess_add_by_ip_address denial of service"
}
},
"cveMetadata": {
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"assignerShortName": "VulDB",
"cveId": "CVE-2026-7536",
"datePublished": "2026-05-01T01:15:11.824Z",
"dateReserved": "2026-04-30T18:17:36.611Z",
"dateUpdated": "2026-05-01T19:30:07.737Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
Mitigation ID: MIT-3
Phase: Requirements
Strategy: Language Selection
Description:
- Use a language that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid.
- For example, languages such as Java, Ruby, and Lisp perform automatic garbage collection that releases memory for objects that have been deallocated.
Mitigation
Phase: Implementation
Description:
- It is good practice to be responsible for freeing all resources you allocate and to be consistent with how and where you free memory in a function. If you allocate memory that you intend to free upon completion of the function, you must be sure to free the memory at all exit points for that function including error conditions.
Mitigation
Phase: Implementation
Description:
- Memory should be allocated/freed using matching functions such as malloc/free, new/delete, and new[]/delete[].
Mitigation
Phase: Implementation
Description:
- When releasing a complex object or structure, ensure that you properly dispose of all of its member components, not just the object itself.
CAPEC-125: Flooding
An adversary consumes the resources of a target by rapidly engaging in a large number of interactions with the target. This type of attack generally exposes a weakness in rate limiting or flow. When successful this attack prevents legitimate users from accessing the service and can cause the target to crash. This attack differs from resource depletion through leaks or allocations in that the latter attacks do not rely on the volume of requests made to the target but instead focus on manipulation of the target's operations. The key factor in a flooding attack is the number of requests the adversary can make in a given period of time. The greater this number, the more likely an attack is to succeed against a given target.
CAPEC-130: Excessive Allocation
An adversary causes the target to allocate excessive resources to servicing the attackers' request, thereby reducing the resources available for legitimate services and degrading or denying services. Usually, this attack focuses on memory allocation, but any finite resource on the target could be the attacked, including bandwidth, processing cycles, or other resources. This attack does not attempt to force this allocation through a large number of requests (that would be Resource Depletion through Flooding) but instead uses one or a small number of requests that are carefully formatted to force the target to allocate excessive resources to service this request(s). Often this attack takes advantage of a bug in the target to cause the target to allocate resources vastly beyond what would be needed for a normal request.
CAPEC-131: Resource Leak Exposure
An adversary utilizes a resource leak on the target to deplete the quantity of the resource available to service legitimate requests.
CAPEC-494: TCP Fragmentation
An adversary may execute a TCP Fragmentation attack against a target with the intention of avoiding filtering rules of network controls, by attempting to fragment the TCP packet such that the headers flag field is pushed into the second fragment which typically is not filtered.
CAPEC-495: UDP Fragmentation
An attacker may execute a UDP Fragmentation attack against a target server in an attempt to consume resources such as bandwidth and CPU. IP fragmentation occurs when an IP datagram is larger than the MTU of the route the datagram has to traverse. Typically the attacker will use large UDP packets over 1500 bytes of data which forces fragmentation as ethernet MTU is 1500 bytes. This attack is a variation on a typical UDP flood but it enables more network bandwidth to be consumed with fewer packets. Additionally it has the potential to consume server CPU resources and fill memory buffers associated with the processing and reassembling of fragmented packets.
CAPEC-496: ICMP Fragmentation
An attacker may execute a ICMP Fragmentation attack against a target with the intention of consuming resources or causing a crash. The attacker crafts a large number of identical fragmented IP packets containing a portion of a fragmented ICMP message. The attacker these sends these messages to a target host which causes the host to become non-responsive. Another vector may be sending a fragmented ICMP message to a target host with incorrect sizes in the header which causes the host to hang.
CAPEC-666: BlueSmacking
An adversary uses Bluetooth flooding to transfer large packets to Bluetooth enabled devices over the L2CAP protocol with the goal of creating a DoS. This attack must be carried out within close proximity to a Bluetooth enabled device.