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CVE-2023-23621

🗓️ 23 May 2025 03:19:03Reported by redhat.comType 
redhatcve
 redhatcve
🔗 access.redhat.com👁 1 Views

Discourse suffers regex denial of service via crafted user agent; patch in stable 3.0.1 and beta 3.1.0.beta2; no workarounds.

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Refs
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CVE-2023-23621
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27 Jan 202300:00
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CVE-2023-23621
27 Jan 202323:31
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CVE-2023-23621 Discourse vulnerable to ReDoS in user agent parsing
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3 Oct 202520:07
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27 Jan 202300:00
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27 Jan 202300:00
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OSV
BIT-DISCOURSE-2023-23621 Discourse vulnerable to ReDoS in user agent parsing
6 Mar 202411:00
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OSV
CVE-2023-23621 Discourse vulnerable to ReDoS in user agent parsing
27 Jan 202323:31
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06 Oct 2025 10:55Current
7.2High risk
Vulners AI Score7.2
CVSS 3.17.5 - 8.6
EPSS0.00396
SSVC
1