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CVE-2026-7737: Out-of-Bounds Read in osrg GoBGP

0
Medium
VulnerabilityCVE-2026-7737cvecve-2026-7737
Published: Mon May 04 2026 (05/04/2026, 05:45:12 UTC)
Source: CVE Database V5
Vendor/Project: osrg
Product: GoBGP

Description

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.

AI-Powered Analysis

Machine-generated threat intelligence

AILast updated: 05/04/2026, 06:51:49 UTC

Technical Analysis

This vulnerability involves an out-of-bounds read in the BMP Parser component of osrg GoBGP (up to version 4.3.0), specifically in the BMPPeerUpNotification.ParseBody and BMPStatisticsReport.ParseBody functions within the pkg/packet/bmp/bmp.go file. The issue allows remote attackers to cause an out-of-bounds read, potentially leading to memory corruption or information disclosure. The problem is fixed in version 4.4.0, with the patch identified by commit bc77597d42335c78464bc8e15a471d887bbdf260.

Potential Impact

The out-of-bounds read vulnerability can be exploited remotely without authentication, which may lead to memory access violations. While the exact impact is not detailed, such vulnerabilities can cause application crashes or potentially expose sensitive information. The CVSS score of 6.9 indicates a medium severity impact.

Mitigation Recommendations

Upgrading the affected GoBGP component to version 4.4.0 is recommended to remediate this vulnerability. The patch is identified by commit bc77597d42335c78464bc8e15a471d887bbdf260. No other mitigation or temporary fixes are indicated.

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Technical Details

Data Version
5.2
Assigner Short Name
VulDB
Date Reserved
2026-05-03T16:16:33.784Z
Cvss Version
4.0
State
PUBLISHED
Remediation Level
null

Threat ID: 69f83e68cbff5d8610c9d5b0

Added to database: 5/4/2026, 6:36:24 AM

Last enriched: 5/4/2026, 6:51:49 AM

Last updated: 5/4/2026, 7:36:55 AM

Views: 3

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