Bug 2464870 (CVE-2026-7737)

Summary:	CVE-2026-7737 github.com/osrg/gobgp: osrg GoBGP: Denial of service via out-of-bounds read in BMP Parser
Product:	[Other] Security Response	Reporter:	OSIDB Bzimport <bzimport>
Component:	vulnerability	Assignee:	Product Security DevOps Team <prodsec-dev>
Status:	NEW ---	QA Contact:
Severity:	high	Docs Contact:
Priority:	high
Version:	unspecified	CC:	kshier, stcannon, teagle, yguenane
Target Milestone:	---	Keywords:	Security
Target Release:	---
Hardware:	All
OS:	Linux
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Doc Text:	A flaw was found in osrg GoBGP. A remote attacker can exploit an out-of-bounds read vulnerability within the BMP Parser component, specifically in the `BMPPeerUpNotification.ParseBody` and `BMPStatisticsReport.ParseBody` functions. This manipulation can lead to a denial of service, making the affected system unavailable.	Story Points:	---
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oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:
Bug Depends On:	2480847
Bug Blocks:

Description OSIDB Bzimport 2026-05-04 07:02:14 UTC

A vulnerability was identified in osrg GoBGP up to 4.3.0. Affected by this issue is the function BMPPeerUpNotification.ParseBody/BMPStatisticsReport.ParseBody of the file pkg/packet/bmp/bmp.go of the component BMP Parser. The manipulation leads to out-of-bounds read. The attack can be initiated remotely. Upgrading to version 4.4.0 can resolve this issue. The identifier of the patch is bc77597d42335c78464bc8e15a471d887bbdf260. Upgrading the affected component is recommended.