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Github Security Blog
Github Security Blog
added 2026/03/19 12:44 p.m.2 views

Improper handling of null Unicode character when parsing JSON in github.com/modelcontextprotocol/go-sdk

The Go SDK recently transitioned to the segmentio/encoding library for JSON parsing in version 1.3.1. While this change addressed both case-insensitivity and ASCII folding issues, the new parser implemented aggressive key matching that treated keys with null Unicode characters appended at the end...

5.8AI score
Exploits0References4Affected Software1
OSV
OSV
added 2026/03/19 12:44 p.m.2 views

GHSA-Q382-VC8Q-7JHJ Improper handling of null Unicode character when parsing JSON in github.com/modelcontextprotocol/go-sdk

The Go SDK recently transitioned to the segmentio/encoding library for JSON parsing in version 1.3.1. While this change addressed both case-insensitivity and ASCII folding issues, the new parser implemented aggressive key matching that treated keys with null Unicode characters appended at the end...

8.2CVSS5.8AI score
Exploits0References4
EUVD
EUVD
added 2025/10/03 8:7 p.m.1 views

EUVD-2023-0757

Malicious code in bioql PyPI...

7.5CVSS5AI score0.00501EPSS
Exploits0References7
Github Security Blog
Github Security Blog
added 2023/02/04 6:30 a.m.221 views

is-url Inefficient Regular Expression Complexity vulnerability

A vulnerability was found in Segmentio is-url up to 1.2.2. It has been rated as problematic. Affected by this issue is an unknown functionality of the file index.js. The manipulation leads to inefficient regular expression complexity. The attack may be launched remotely. Upgrading to version 1.2....

7.5CVSS3.6AI score0.00501EPSS
Exploits0References7Affected Software1
OSV
OSV
added 2023/02/04 6:30 a.m.1 views

GHSA-P9W8-2MPQ-49H9 is-url Inefficient Regular Expression Complexity vulnerability

A vulnerability was found in Segmentio is-url up to 1.2.2. It has been rated as problematic. Affected by this issue is an unknown functionality of the file index.js. The manipulation leads to inefficient regular expression complexity. The attack may be launched remotely. Upgrading to version 1.2....

7.5CVSS4.8AI score0.00501EPSS
Exploits0References7
OSV
OSV
added 2023/02/04 4:15 a.m.10 views

CVE-2018-25079

A vulnerability was found in Segmentio is-url up to 1.2.2. It has been rated as problematic. Affected by this issue is some unknown functionality of the file index.js. The manipulation leads to inefficient regular expression complexity. The attack may be launched remotely. Upgrading to version...

7.5CVSS7.6AI score
Exploits0References5
NVD
NVD
added 2023/02/04 4:15 a.m.7 views

CVE-2018-25079

A vulnerability was found in Segmentio is-url up to 1.2.2. It has been rated as problematic. Affected by this issue is some unknown functionality of the file index.js. The manipulation leads to inefficient regular expression complexity. The attack may be launched remotely. Upgrading to version...

7.5CVSS5.3AI score0.00501EPSS
Exploits0References5
Prion
Prion
added 2023/02/04 4:15 a.m.7 views

Information disclosure

A vulnerability was found in Segmentio is-url up to 1.2.2. It has been rated as problematic. Affected by this issue is some unknown functionality of the file index.js. The manipulation leads to inefficient regular expression complexity. The attack may be launched remotely. Upgrading to version...

5CVSS7.5AI score0.00501EPSS
Exploits0References5Affected Software1
Cvelist
Cvelist
added 2023/02/04 3:57 a.m.9 views

CVE-2018-25079 Segmentio is-url index.js redos

A vulnerability was found in Segmentio is-url up to 1.2.2. It has been rated as problematic. Affected by this issue is some unknown functionality of the file index.js. The manipulation leads to inefficient regular expression complexity. The attack may be launched remotely. Upgrading to version...

4.3CVSS7.5AI score0.00501EPSS
Exploits0References5
CVE
CVE
added 2023/02/04 3:57 a.m.198 views

CVE-2018-25079

The CVE-2018-25079 entry concerns Segmentio is-url up to version 1.2.2. The issue is in an unknown function within index.js that causes inefficient regular expression complexity (redos). Impact is remote exploitation with potential denial of service risk (high availability impact) as per the CVSS...

7.5CVSS5.8AI score0.00501EPSS
Exploits0References5Affected Software1
Positive Technologies
Positive Technologies
added 2023/02/04 12:0 a.m.2 views

PT-2023-10820 · Segmentio · Is-Url

Name of the Vulnerable Software and Affected Versions: Segmentio is-url versions up to 1.2.2 Description: A vulnerability was found in the file index.js, leading to inefficient regular expression complexity. The attack may be launched remotely. Recommendations: For versions up to 1.2.2, upgrade t...

7.5CVSS7.1AI score0.00501EPSS
Exploits0References10
CNNVD
CNNVD
added 2023/02/04 12:0 a.m.2 views

is-url 安全漏洞

is-url is a library for detecting whether a string is a URL. A security vulnerability exists in Segmentio is-url versions prior to 1.2.3, which stems from a problem with an unknown function in the file index.js that causes inefficient regular expression complexity...

7.5CVSS5.5AI score0.00501EPSS
Exploits0References7
OpenVAS
OpenVAS
added 2022/07/31 12:0 a.m.11 views

Fedora: Security Advisory for golang-github-segmentio-ksuid (FEDORA-2022-37aef44d1e)

The remote host is missing an update for the SPDX-FileCopyrightText: 2022 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only ifdescription...

7.5AI score
Exploits0References2
OpenVAS
OpenVAS
added 2022/07/18 12:0 a.m.10 views

Fedora: Security Advisory for golang-github-segmentio-ksuid (FEDORA-2022-3969b64d4b)

The remote host is missing an update for the Copyright C 2022 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

9.3CVSS8.9AI score0.00963EPSS
Exploits4References2
Fedora
Fedora
added 2022/07/17 1:16 a.m.29 views

[SECURITY] Fedora 35 Update: golang-github-segmentio-ksuid-1.0.4-3.fc35

K-Sortable Globally Unique IDs...

9.3CVSS8.2AI score0.00963EPSS
Exploits4
OpenVAS
OpenVAS
added 2022/07/14 12:0 a.m.15 views

Fedora: Security Advisory for golang-github-segmentio-ksuid (FEDORA-2022-ba365d3703)

The remote host is missing an update for the Copyright C 2022 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This program is free software; you can...

7.5CVSS8.9AI score0.00182EPSS
Exploits1References2
Fedora
Fedora
added 2022/07/13 2:0 a.m.16 views

[SECURITY] Fedora 36 Update: golang-github-segmentio-ksuid-1.0.4-3.fc36

K-Sortable Globally Unique IDs...

9.3CVSS8.2AI score0.00963EPSS
Exploits4
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