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GoBGP confederation validation panics on empty AS_PATH attribute

🗓️ 09 Jul 2026 23:21:05Reported by GitHub Advisory DatabaseType 
github
 github
🔗 github.com👁 4 Views

GoBGP accepts zero-length path attribute during UPDATE and panics in confederation eBGP validation.

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Detection
Refs
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ATTACKERKB
CVE-2026-41643
7 May 202611:53
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7 May 202614:06
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10 Jul 202600:35
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1 Jan 197600:00
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CVE-2026-41643 GoBGP: Remote Denial of Service (Panic) in UpdatePathAttrs4ByteAs via Malformed BGP UPDATE
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CVE-2026-41643
7 May 202611:53
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CVE-2026-49838
1 Jan 197600:00
debiancve
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GoBGP has Remote Denial of Service (Panic) in UpdatePathAttrs4ByteAs via Malformed BGP UPDATE
29 Apr 202620:44
github
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osrggobgpRange4.6.0go

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09 Jul 2026 23:21Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.17.5
EPSS0.00503
SSVC
4