Common Weakness Enumeration
CWE-407
Allowed-with-ReviewInefficient Algorithmic Complexity
Abstraction: Class · Status: Incomplete
An algorithm in a product has an inefficient worst-case computational complexity that may be detrimental to system performance and can be triggered by an attacker, typically using crafted manipulations that ensure that the worst case is being reached.
432 vulnerabilities reference this CWE, most recent first.
CVE-2026-101021 (GCVE-0-2026-101021)
Vulnerability from cvelistv5 – Published: 2026-10-16 14:28 – Updated: 2026-10-16 15:20
VLAI
EPSS
VEX
Title
J4Care dcm4che Inefficient Algorithmic Complexity
Summary
MultipartInputStream performs inefficient boundary matching and unnecessary buffer copying. Crafted multipart input can force excessive boundary comparisons and repeated copying.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 15:05 UTC
CWE
Assigner
References
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| J4Care | dcm4chee-arc-light |
Affected:
5.35.1
Unaffected: 5.35.2 |
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CVE-2026-100700 (GCVE-0-2026-100700)
Vulnerability from cvelistv5 – Published: 2026-09-26 13:23 – Updated: 2026-09-28 15:01
VLAI
EPSS
VEX
Title
nodemailer before 10.0.6 Denial of Service via addressparser
Summary
nodemailer before 10.0.6 contains a denial of service vulnerability in the addressparser free-text fallback regex pattern that exhibits quadratic backtracking behavior. Attackers can supply crafted email header values with long whitespace-free runs to block the Node.js event loop for tens of seconds, causing service unavailability.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-28 15:00 UTC
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/nodemailer/nodemailer/security… | vendor-advisory |
| https://www.vulncheck.com/advisories/nodemailer-b… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| nodemailer | nodemailer |
Affected:
0 , < 10.0.6
(semver)
Unaffected: 10.0.6 (semver) cpe:2.3:a:nodemailer:nodemailer:*:*:*:*:*:*:*:* |
Date Public
2026-09-11 00:00
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CVE-2026-96958 (GCVE-0-2026-96958)
Vulnerability from cvelistv5 – Published: 2026-10-13 19:01 – Updated: 2026-10-19 23:52
VLAI
EPSS
VEX
Title
.NET Denial of Service Vulnerability
Summary
Inefficient algorithmic complexity in .NET allows an unauthorized attacker to deny service over a network.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 19:38 UTC
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://msrc.microsoft.com/update-guide/vulnerabi… | vendor-advisorypatch |
Impacted products
9 products
| Vendor | Product | Version | |
|---|---|---|---|
| Microsoft | Microsoft .NET Framework 3.5 |
Affected:
3.5.0 , < 2.0.50727.9188 AND 3.0.30729.9171
(custom)
|
|
| Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 |
Affected:
3.0.0.0 , < 2.0.50727.8987 AND 3.0.30729.8982 AND 4.7.4150.0
(custom)
|
|
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 |
Affected:
4.7.0 , < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.7.4150.0
(custom)
|
|
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 |
Affected:
4.8.0 , < 2.0.50727.9073 AND 3.0.30729.9070 AND 4.8.4811.0
(custom)
|
|
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 |
Affected:
4.8.1 , < 2.0.50727.9188 AND 3.0.30729.9171 AND 4.8.9363.0
(custom)
|
|
| Microsoft | Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 |
Affected:
4.7.0 , < 4.7.4150.0
(custom)
|
|
| Microsoft | Microsoft .NET Framework 4.8 |
Affected:
4.8.0 , < 4.8.4811.0
(custom)
|
|
| Microsoft | Microsoft .NET Framework 4.8.1 |
Affected:
4.8.0.0 , < 4.8.9363.0
(custom)
|
|
| Microsoft | System.Security.Cryptography.Xml |
Affected:
10.0.0 , < 10.0.13
(custom)
|
Date Public
2026-10-13 14:00
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CVE-2026-96292 (GCVE-0-2026-96292)
Vulnerability from cvelistv5 – Published: 2026-10-02 11:11 – Updated: 2026-10-02 17:41
VLAI
EPSS
VEX
Title
Apache Thrift: Lua `THttpTransport:_parseHeaders` matches each header line with a backtracking pattern (quadratic)
Summary
Inefficient regular expression complexity, Inefficient Algorithmic Complexity vulnerability in Apache Thrift Lua bindings.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0, which fixes the issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-02 17:40 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/33otcgbqd27wf6qq8… | vendor-advisory |
| https://lists.apache.org/thread/3wmvtvv56rky5wtsz… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
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| Apache Software Foundation | Apache Thrift |
Affected:
0 , < 0.25.0
(semver)
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CVE-2026-96287 (GCVE-0-2026-96287)
Vulnerability from cvelistv5 – Published: 2026-10-02 12:05 – Updated: 2026-10-02 17:18
VLAI
EPSS
VEX
Title
Apache Thrift: Perl `FramedTransport` reads and TLS socket writes re-slice the remaining buffer on every call (quadratic)
Summary
Inefficient Algorithmic Complexity vulnerability in Apache Thrift Perl bindings.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0, which fixes the issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-02 17:17 UTC
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/33otcgbqd27wf6qq8… | vendor-advisory |
| https://lists.apache.org/thread/tcg16jr59z5nry066… | vendor-advisory |
Impacted products
1 product
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Affected:
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CVE-2026-95838 (GCVE-0-2026-95838)
Vulnerability from cvelistv5 – Published: 2026-10-12 19:53 – Updated: 2026-10-13 20:24
VLAI
EPSS
VEX
Title
containerd: Unpack DoS via repeated opaque whiteouts
Summary
containerd is an open-source container runtime. Prior to 1.7.35, 2.0.12, 2.2.8, and 2.3.5, containerd's layer unpack handler repeatedly traverses directories for certain opaque whiteout configurations. A malicious image layer can trigger repeated directory traversals while opaque whiteouts are processed. Pulling or importing the image can consume CPU, delay container startup, and reduce image-pull concurrency for unrelated deployments. This issue is fixed in versions 1.7.35, 2.0.12, 2.2.8, and 2.3.5.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-13 20:13 UTC
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/containerd/containerd/security… | x_refsource_CONFIRM |
| https://github.com/containerd/containerd/commit/e… | x_refsource_MISC |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| containerd | containerd |
Affected:
< 1.7.35
Affected: >= 2.0.0-beta.0, < 2.0.12 Affected: >= 2.2.0, < 2.2.8 Affected: >= 2.3.0, < 2.3.5 |
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CVE-2026-94658 (GCVE-0-2026-94658)
Vulnerability from cvelistv5 – Published: 2026-10-02 12:02 – Updated: 2026-10-02 17:19
VLAI
EPSS
VEX
Title
Apache Thrift: Lua `TFramedTransport`/`THttpTransport` re-slice the buffer on every read (quadratic)
Summary
Inefficient Algorithmic Complexity vulnerability in Apache Thrift Lua bindings.
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Users are recommended to upgrade to version 0.25.0, which fixes the issue.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-02 17:19 UTC
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/33otcgbqd27wf6qq8… | vendor-advisory |
| https://lists.apache.org/thread/hv6b1nyk2p15gy5pm… | vendor-advisory |
Impacted products
1 product
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Affected:
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CVE-2026-94655 (GCVE-0-2026-94655)
Vulnerability from cvelistv5 – Published: 2026-10-02 11:59 – Updated: 2026-10-02 17:21
VLAI
EPSS
VEX
Title
Apache Thrift: Lua `TJsonProtocol` string/number readers have no size bound and are quadratic
Summary
Allocation of resources without limits or throttling, Inefficient Algorithmic Complexity vulnerability in Apache Thrift Lua bindings.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0, which fixes the issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-02 17:20 UTC
CWE
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/33otcgbqd27wf6qq8… | vendor-advisory |
| https://lists.apache.org/thread/wdjyf4y115ybgdzz5… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Thrift |
Affected:
0 , < 0.25.0
(semver)
|
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CVE-2026-94653 (GCVE-0-2026-94653)
Vulnerability from cvelistv5 – Published: 2026-10-02 11:56 – Updated: 2026-10-05 16:15
VLAI
EPSS
VEX
Title
Apache Thrift: PHP framed/memory/HTTP transports re-slice the buffer on every read (quadratic)
Summary
Inefficient Algorithmic Complexity vulnerability in Apache Thrift PHP bindings.
This issue affects Apache Thrift: before 0.25.0.
Users are recommended to upgrade to version 0.25.0, which fixes the issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-05 16:15 UTC
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://lists.apache.org/thread/33otcgbqd27wf6qq8… | vendor-advisory |
| https://lists.apache.org/thread/8zbv1y4wzr3nn5mzm… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Apache Software Foundation | Apache Thrift |
Affected:
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CVE-2026-92987 (GCVE-0-2026-92987)
Vulnerability from cvelistv5 – Published: 2026-09-17 14:22 – Updated: 2026-09-24 14:22
VLAI
EPSS
VEX
Title
roxmltree through 0.21.1 Denial of Service via Quadratic Parsing
Summary
roxmltree through 0.21.1 performs quadratic-time attribute and namespace validation during XML parsing without limits on attribute count. Attackers can craft XML documents with tens of thousands of attributes on a single element to consume excessive CPU time and cause denial of service.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-09-17 15:32 UTC
CWE
- CWE-407 - Inefficient Algorithmic Complexity
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://github.com/RazrFalcon/roxmltree/issues/153 | issue-tracking |
| https://github.com/RazrFalcon/roxmltree | product |
| https://github.com/RazrFalcon/roxmltree/blob/v0.2… | technical-description |
| https://github.com/RazrFalcon/roxmltree/blob/v0.2… | technical-description |
| https://www.vulncheck.com/advisories/roxmltree-th… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| RazrFalcon | roxmltree |
Affected:
0 , ≤ 0.21.1
(semver)
|
Date Public
2026-09-14 00:00
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No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.