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CVE-2026-49837 GoBGP: BGP OPEN capability parser may read capability values outside declared CapLen boundaries

🗓️ 10 Sep 2026 21:56:13Reported by GitHub_MType 
cvelist
 cvelist
🔗 www.cve.org👁 60 Views

GoBGP before 4.6.0 BGP OPEN capability parser reads outside CapLen affecting peer AS validation.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC
BGP OPEN Message Parser GoBGP Data Compromise
11 Sep 202600:00
–bdu_fstec
circl
Circl
CVE-2026-49837
10 Jul 202600:35
–circl
cve
CVE
CVE-2026-49837
10 Sep 202621:56
–cve
debiancve
Debian CVE
CVE-2026-49837
10 Sep 202621:56
–debiancve
euvd
EUVD
EUVD-2026-75806
10 Sep 202621:56
–euvd
github
Github Security Blog
GoBGP: BGP OPEN capability parser may read capability values outside declared CapLen boundaries
9 Jul 202623:20
–github
mend
Mend
CVE-2026-49837
10 Sep 202621:56
–mend
nvd
NVD
CVE-2026-49837
10 Sep 202622:16
–nvd
osv_debian
osv_debian
DEBIAN-CVE-2026-49837
10 Sep 202622:16
–osv_debian
osv_ghsa
osv_ghsa
GHSA-GJRG-JJR3-56CM GoBGP: BGP OPEN capability parser may read capability values outside declared CapLen boundaries
9 Jul 202623:20
–osv_ghsa
Rows per page
[
  {
    "vendor": "osrg",
    "product": "gobgp",
    "versions": [
      {
        "version": "< 4.6.0",
        "status": "affected"
      }
    ]
  }
]

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