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Vulnerability Details :

CVE-2022-23548

Summary
Assigner-GitHub_M
Assigner Org ID-a0819718-46f1-4df5-94e2-005712e83aaa
Published At-05 Jan, 2023 | 00:00
Updated At-10 Mar, 2025 | 21:32
Rejected At-
Credits

Discourse is an option source discussion platform. Prior to version 2.8.14 on the `stable` branch and version 2.9.0.beta16 on the `beta` and `tests-passed` branches, parsing posts can be susceptible to regular expression denial of service (ReDoS) attacks. This issue is patched in versions 2.8.14 and 2.9.0.beta16. There are no known workarounds.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitHub_M
Assigner Org ID:a0819718-46f1-4df5-94e2-005712e83aaa
Published At:05 Jan, 2023 | 00:00
Updated At:10 Mar, 2025 | 21:32
Rejected At:
▼CVE Numbering Authority (CNA)

Discourse is an option source discussion platform. Prior to version 2.8.14 on the `stable` branch and version 2.9.0.beta16 on the `beta` and `tests-passed` branches, parsing posts can be susceptible to regular expression denial of service (ReDoS) attacks. This issue is patched in versions 2.8.14 and 2.9.0.beta16. There are no known workarounds.

Affected Products
Vendor
Civilized Discourse Construction Kit, Inc.discourse
Product
discourse
Versions
Affected
  • < 2.8.14
  • >= 2.9.0.beta0, < 2.9.0.beta16
Problem Types
TypeCWE IDDescription
CWECWE-1333CWE-1333: Inefficient Regular Expression Complexity
Type: CWE
CWE ID: CWE-1333
Description: CWE-1333: Inefficient Regular Expression Complexity
Metrics
VersionBase scoreBase severityVector
3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/discourse/discourse/security/advisories/GHSA-7rw2-f4x7-7pxf
N/A
https://github.com/discourse/discourse/pull/19737
N/A
Hyperlink: https://github.com/discourse/discourse/security/advisories/GHSA-7rw2-f4x7-7pxf
Resource: N/A
Hyperlink: https://github.com/discourse/discourse/pull/19737
Resource: N/A
▼Authorized Data Publishers (ADP)
1. CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://github.com/discourse/discourse/security/advisories/GHSA-7rw2-f4x7-7pxf
x_transferred
https://github.com/discourse/discourse/pull/19737
x_transferred
Hyperlink: https://github.com/discourse/discourse/security/advisories/GHSA-7rw2-f4x7-7pxf
Resource:
x_transferred
Hyperlink: https://github.com/discourse/discourse/pull/19737
Resource:
x_transferred
2. CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:security-advisories@github.com
Published At:05 Jan, 2023 | 19:15
Updated At:16 May, 2023 | 11:15

Discourse is an option source discussion platform. Prior to version 2.8.14 on the `stable` branch and version 2.9.0.beta16 on the `beta` and `tests-passed` branches, parsing posts can be susceptible to regular expression denial of service (ReDoS) attacks. This issue is patched in versions 2.8.14 and 2.9.0.beta16. There are no known workarounds.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Secondary3.16.5MEDIUM
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Type: Primary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 3.1
Base score: 6.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CPE Matches

Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>Versions before 2.8.14(exclusive)
cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>2.9.0
cpe:2.3:a:discourse:discourse:2.9.0:beta1:*:*:*:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>2.9.0
cpe:2.3:a:discourse:discourse:2.9.0:beta10:*:*:*:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>2.9.0
cpe:2.3:a:discourse:discourse:2.9.0:beta11:*:*:*:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>2.9.0
cpe:2.3:a:discourse:discourse:2.9.0:beta12:*:*:*:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>2.9.0
cpe:2.3:a:discourse:discourse:2.9.0:beta13:*:*:*:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>2.9.0
cpe:2.3:a:discourse:discourse:2.9.0:beta14:*:*:*:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>2.9.0
cpe:2.3:a:discourse:discourse:2.9.0:beta2:*:*:*:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>2.9.0
cpe:2.3:a:discourse:discourse:2.9.0:beta3:*:*:*:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>2.9.0
cpe:2.3:a:discourse:discourse:2.9.0:beta4:*:*:*:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>2.9.0
cpe:2.3:a:discourse:discourse:2.9.0:beta5:*:*:*:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>2.9.0
cpe:2.3:a:discourse:discourse:2.9.0:beta6:*:*:*:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>2.9.0
cpe:2.3:a:discourse:discourse:2.9.0:beta7:*:*:*:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>2.9.0
cpe:2.3:a:discourse:discourse:2.9.0:beta8:*:*:*:*:*:*
Civilized Discourse Construction Kit, Inc.
discourse
>>discourse>>3.0.0
cpe:2.3:a:discourse:discourse:3.0.0:beta15:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-1333Primarynvd@nist.gov
CWE-1333Secondarysecurity-advisories@github.com
CWE ID: CWE-1333
Type: Primary
Source: nvd@nist.gov
CWE ID: CWE-1333
Type: Secondary
Source: security-advisories@github.com
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://github.com/discourse/discourse/pull/19737security-advisories@github.com
Patch
Third Party Advisory
https://github.com/discourse/discourse/security/advisories/GHSA-7rw2-f4x7-7pxfsecurity-advisories@github.com
Third Party Advisory
Hyperlink: https://github.com/discourse/discourse/pull/19737
Source: security-advisories@github.com
Resource:
Patch
Third Party Advisory
Hyperlink: https://github.com/discourse/discourse/security/advisories/GHSA-7rw2-f4x7-7pxf
Source: security-advisories@github.com
Resource:
Third Party Advisory

Change History

0
Information is not available yet

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