CVE-2026-49837

GoBGP (open source BGP implementation in Go) versions prior to 4.6.0 contain a boundary validation flaw in the BGP OPEN capability parser. Several capability decoders read from the full remaining buffer instead of the slice bounded by the declared CapLen , allowing a malformed OPEN message to cau...

Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read in the BGP OPEN capability parsing process. An attacker can influence peer AS validation and capability negotiation by sending a specially crafted BGP OPEN message with a malformed capability length, causing the parse...

GHSA-GJRG-JJR3-56CM GoBGP: BGP OPEN capability parser may read capability values outside declared CapLen boundaries

Summary GoBGP contains a BGP OPEN capability parsing issue where several concrete capability decoders may parse data from the full remaining capability buffer instead of the slice bounded by the declared capability length, CapLen. A malformed BGP OPEN message can cause bytes from a following...

Design/Logic Flaw

An issue found in Frrouting bgpd v.8.4.2 allows a remote attacker to cause a denial of service via the bgpcapabilityllgr function...

PT-2022-7370 · Unknown +7 · Frrouting Frr +7

Name of the Vulnerable Software and Affected Versions: FRRouting FRR versions prior to 8.4 Description: The issue is related to an out-of-bounds read in the BGP daemon of FRRouting FRR. This can lead to a segmentation fault and denial of service. The problem occurs in the bgp capability msg parse...