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CVE-2026-5123

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CVE-2026-5123

Published: Mar 30, 2026

Modified: Apr 1, 2026

PUBLISHED

CVSS v3.1

3.7

LOW

Description

A weakness has been identified in osrg GoBGP up to 4.3.0. This impacts the function DecodeFromBytes of the file pkg/packet/bgp/bgp.go. Executing a manipulation of the argument data[1] can lead to off-by-one. The attack may be launched remotely. Attacks of this nature are highly complex. The exploitability is said to be difficult. This patch is called 67c059413470df64bc20801c46f64058e88f800f. A patch should be applied to remediate this issue.

VendorProductVersions

osrg

GoBGP

affected
4.0
affected
4.1
affected
4.2
affected
4.3.0

Weaknesses (CWE)

CWE-193
CWE-189

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C

Attack Vector

Network

Attack Complexity

High

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

Low

References

VDB-354155 | CTI Indicators (IOB, IOC, IOA)
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