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CVE-2026-7736

📛 CVE Title

osrg GoBGP mrt.go parseRibEntry integer underflow

⬇ Download JSON ⚠ View as Threat

Description

A vulnerability was determined in osrg GoBGP up to 4.3.0. Affected by this vulnerability is the function parseRibEntry of the file pkg/packet/mrt/mrt.go. Executing a manipulation can lead to integer underflow. It is possible to launch the attack remotely. Upgrading to version 4.4.0 addresses this issue. This patch is called 76d911046344a3923cbe573364197aa081944592. It is suggested to upgrade the affected component.

Overview

State
PUBLISHED
Assigner (CNA)
VulDB
CVSS severity
MEDIUM
CVSS score
CVSS 6.9 / 10 6.9 6.9 / 10
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
Effective score
6.9 / 10 MEDIUM source: CNA overview
CWE(s)
CWE-191, CWE-189
Reserved
2026-05-03
Published
2026-05-04 07:30 UTC
Last updated
2026-05-04 12:37 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/7xxx/CVE-2026-7736.json
Linked Threat
CVE-2026-7736 — CVE-2026-7736

NVD triage scoring NVD CVE 2.0

Layer NVD adds on top of the CNA's CVE record — published / last-modified timestamps, exploitability / impact subscores, and the FIRST.org EPSS probability that this CVE will be exploited in the wild in the next 30 days.

NVD published
2026-05-04 07:16:01 UTC
NVD last modified
2026-05-06 20:27:43 UTC
NVD CVSS v3.1
CVSS 7.3 / 10 7.3 7.3 / 10 HIGH source: cna@vuldb.com
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L
Exploitability subscore
3.9 / 10
Impact subscore
3.4 / 10
EPSS score
0.0002 (probability of exploitation in next 30 days)
EPSS percentile
6.81% vs all CVEs — higher = more likely to be exploited, as of 2026-05-24

NVD / KEV / EPSS data refreshed 2026-05-25 06:34 UTC. Re-run the 🛰 Backfill from NVD button above to refresh.

European Union Vulnerability Database ENISA EUVD

ENISA's official EU repository for curated vulnerability intelligence. Carries a separate identifier (EUVD-YYYY-NNNN) and frequently exposes an earlier-published description + CVSS than NVD does.

EUVD ID
EUVD-2026-26916
Assigner
VulDB
Published
May 4, 2026, 5:30:16 AM
Updated
May 4, 2026, 10:37:55 AM
EUVD base score (CVSS 4.0)
6.9 / 10
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
EUVD-reported EPSS
0.0200
Vendors
osrg
Products
GoBGP (4.2)
GoBGP
GoBGP (4.0)
GoBGP (4.1)
GoBGP (4.3.0)

ENISA description: A vulnerability was determined in osrg GoBGP up to 4.3.0. Affected by this vulnerability is the function parseRibEntry of the file pkg/packet/mrt/mrt.go. Executing a manipulation can lead to integer underflow. It is possible to launch the attack remotely. Upgrading to version 4.4.0 addresses this issue. This patch is called 76d911046344a3923cbe573364197aa081944592. It is suggested to upgrade the affected component.

EUVD references (6)

Affected products (1)
VendorProductVersionsPlatforms
osrg GoBGP 4.0 (affected), 4.1 (affected), 4.2 (affected), 4.3.0 (affected), 4.4.0 (unaffected) —

Affected products — CPE 2.3 (1) NVD

NVD's normalized CPE 2.3 matchers, used by vendor tools (vulnerability scanners, asset managers) for automated detection. Compare with the CNA's free-text "Affected products" section above.

  • cpe:2.3:a:osrg:gobgp:*:*:*:*:*:*:*:*

Vendor references (6)

References embedded in the original CVE record by the assigning CNA.

MITRE references (6) cveawg.mitre.org

Pulled from MITRE's CVE Services API by the 🛰 Backfill from MITRE button.

Web references (3)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

NVD-tagged references (6)

Reference list NVD curates from the CNA record, vendor advisories, and third-party reports. The tag chips below are NVD's analyst-assigned categories.

Remediations (19)

Remediations are stored against the linked Threat row; the list below is deduplicated across both pages.

  • Microsoft and Adobe Patch Tuesday, March 2026 Security Update Review
    web:blog.qualys.com

    Microsoft has rolled out its March 2026 Patch Tuesday updates, delivering a fresh batch of security fixes designed to keep Windows environments protected from emerging threats.

    2026-05-23 21:16 UTC
  • Microsoft Patch Tuesday March 2026 - 78 Vulnerabilities Fixed ...
    web:cybersecuritynews.com

    Microsoft released its March 2026 Patch Tuesday security update on March 10, 2026 , addressing 78 vulnerabilities across Windows, Microsoft Office, Azure, SQL Server, and .NET. The update includes one actively exploited zero-day vulnerability and multiple Critical-rated flaws demanding immediate attention from security teams. The most urgent fix this month is CVE - 2026 -21262, the sole zero-day ...

    2026-05-23 21:16 UTC
  • Security updates for Adobe Acrobat and Reader
    web:helpx.adobe.com

    Security updates for Adobe Acrobat and Reader Last updated on Apr 14, 2026 | Also applies to Adobe Acrobat

    2026-05-23 21:16 UTC
  • Security Update Guide - Microsoft
    web:portal.msrc.microsoft.com

    The Security Update Guide provides information on the latest Microsoft security updates, helping users understand and address potential vulnerabilities effectively.

    2026-05-23 21:16 UTC
  • SAP Security Patch Day - March 2026
    web:support.sap.com

    SAP security patch day bulletin

    2026-05-23 21:16 UTC
  • Microsoft March 2026 Patch Tuesday fixes 2 zero-days, 79 flaws
    web:www.bleepingcomputer.com

    Today is Microsoft's March 2026 Patch Tuesday with security updates for 79 flaws, including 2 publicly disclosed zero-day vulnerabilities.

    2026-05-23 21:16 UTC
  • Critical Patches Issued for Microsoft Products, May 12, 2026
    web:www.cisecurity.org

    <p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...

    2026-05-23 21:16 UTC
  • Oracle Critical Patch Update Advisory - January 2026
    web:www.oracle.com

    Oracle Critical Patch Update Advisory - January 2026 Description A Critical Patch Update is a collection of patches for multiple security vulnerabilities. These patches address vulnerabilities in Oracle code and in third party components included in Oracle products. These patches are usually cumulative, but each advisory describes only the security patches added since the previous Critical ...

    2026-05-23 21:16 UTC
  • I tested Windows 11 March 2026 Updates: Everything new ... - Windows Latest
    web:www.windowslatest.com

    Windows 11 March 2026 Patch Tuesday update adds Emoji 16.0, Sysmon, network speed test, reliability improvements, and security fixes.

    2026-05-23 21:16 UTC
  • Patch Tuesday May 2026: Security Updates & CVE Analysis
    web:zecurit.com

    Get the complete breakdown of Microsoft's May 2026 Patch Tuesday. We analyze the latest security updates and all critical CVEs .

    2026-05-23 21:16 UTC
  • Microsoft Patch Tuesday April 2026 - 168 Vulnerabilities Fixed ...
    web:cybersecuritynews.com

    Microsoft has released its April 2026 Patch Tuesday security update, addressing 168 vulnerabilities across its product portfolio including one actively exploited zero-day and one publicly disclosed flaw that organizations must prioritize immediately.

    2026-06-03 07:49 UTC
  • Microsoft Patch Tuesday May 2026 - 120 Vulnerabilities Fixed, Including ...
    web:cybersecuritynews.com

    Microsoft's May 2026 Patch Tuesday lands with a heavy enterprise focus, fixing 120 vulnerabilities across Windows, Office, Azure, developer tools, and Microsoft 365 apps, including 29 remote code execution (RCE) flaws rated Critical.

    2026-06-03 07:49 UTC
  • Security Update Guide - Microsoft
    web:msrc.microsoft.com

    The Microsoft Security Response Center (MSRC) investigates all reports of security vulnerabilities affecting Microsoft products and services, and provides the information here as part of the ongoing effort to help you manage security risks and help keep your systems protected.

    2026-06-03 07:49 UTC
  • Nvd - Cve-2026-8376
    web:nvd.nist.gov

    An official website of the United States government Here's how you know

    2026-06-03 07:49 UTC
  • Critical Patches Issued for Microsoft Products, April 14, 2026
    web:www.cisecurity.org

    <p>Multiple vulnerabilities have been discovered in Microsoft products, the most severe of which could allow for remote code execution. Successful exploitation of the most severe of these vulnerabilities could result in an attacker gaining the same privileges as the logged-on user. Depending on the privileges associated with the user, an attacker could then install programs; view, change, or ...

    2026-06-03 07:49 UTC
  • Microsoft Technical Security Notifications
    web:www.microsoft.com

    Security Update Guide Notifications Microsoft's free Security Update Guide Notifications provide links to security-related software updates and notification of re-released security updates. These notifications are sent via email throughout the month as needed.

    2026-06-03 07:49 UTC
  • Windows 11 KB5083769 April 2026 update triggers death loops and BSODs
    web:www.notebookcheck.net

    Microsoft's Windows 11 KB5083769 April 2026 update causes critical boot failures, pixelated BSODs, and BitLocker recovery loops on Windows 11 24H2 and 25H2 PCs.

    2026-06-03 07:49 UTC
  • Oracle Critical Patch Update Advisory - April 2026
    web:www.oracle.com

    This Critical Patch Update contains 481 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Patch Update and other Oracle Software Security Assurance activities is located at April 2026 Critical Patch Update: Executive Summary and Analysis.

    2026-06-03 07:49 UTC
  • Oracle Critical Security Patch Update Advisory - May 2026
    web:www.oracle.com

    This Critical Security Patch Update contains 35 new security patches across the product families listed below. Please note that an MOS note summarizing the content of this Critical Security Patch Update and other Oracle Software Security Assurance activities is located at May 2026 Critical Security Patch Update: Executive Summary and Analysis.

    2026-06-03 07:49 UTC

AI Forensic Analysis

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-7736.json.

{
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      {
        "metrics": [
          {
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              "content": {
                "id": "CVE-2026-7736",
                "options": [
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                  },
                  {
                    "Automatable": "yes"
                  },
                  {
                    "Technical Impact": "partial"
                  }
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                "role": "CISA Coordinator",
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        "title": "CISA ADP Vulnrichment"
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          "versions": [
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            },
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      "metrics": [
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          "tags": [
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          "url": "https://vuldb.com/vuln/360911"
        },
        {
          "name": "VDB-360911 | CTI Indicators (IOB, IOC, IOA)",
          "tags": [
            "signature",
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          "url": "https://vuldb.com/vuln/360911/cti"
        },
        {
          "name": "Submit #807604 | osrg GoBGP <= 4.3.0 Integer Underflow",
          "tags": [
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          ],
          "url": "https://vuldb.com/submit/807604"
        },
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          "time": "2026-05-03T18:21:48.000Z",
          "value": "VulDB entry last update"
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      "title": "osrg GoBGP mrt.go parseRibEntry integer underflow"
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    "dateReserved": "2026-05-03T16:16:30.716Z",
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