CVE-2026-7736

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Source
https://cve.org/CVERecord?id=CVE-2026-7736
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-7736.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-7736
Aliases
Downstream
Published
2026-05-04T05:30:16.444Z
Modified
2026-06-18T03:56:02.113972574Z
Severity
  • 6.9 (Medium) CVSS_V4 - 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 CVSS Calculator
Summary
osrg GoBGP mrt.go parseRibEntry integer underflow
Details

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.

Database specific 
{
    "cna_assigner": "VulDB",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/7xxx/CVE-2026-7736.json",
    "cwe_ids": [
        "CWE-189",
        "CWE-191"
    ]
}
References

Affected packages

Git / github.com/osrg/gobgp

Affected ranges

Type
GIT
Repo
https://github.com/osrg/gobgp
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
12b4ebaef14f61e1c7c7403c770b67826f0b8cf4
Fixed
76d911046344a3923cbe573364197aa081944592
Database specific 
{
    "source": [
        "CPE_RANGE",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "4.4.0"
        }
    ],
    "cpe": "cpe:2.3:a:osrg:gobgp:*:*:*:*:*:*:*:*"
}

Affected versions

v1.*
v1.0
v1.1
v1.10
v1.11
v1.12
v1.13
v1.14
v1.15
v1.16
v1.17
v1.18
v1.19
v1.2
v1.20
v1.21
v1.22
v1.23
v1.24
v1.25
v1.26
v1.27
v1.28
v1.29
v1.3
v1.30
v1.31
v1.32
v1.33
v1.4
v1.5
v1.6
v1.7
v1.8
v1.9
v2.*
v2.0.0
v2.1.0
v2.10.0
v2.11.0
v2.12.0
v2.13.0
v2.14.0
v2.15.0
v2.16.0
v2.17.0
v2.18.0
v2.19.0
v2.2.0
v2.20.0
v2.21.0
v2.22.0
v2.23.0
v2.24.0
v2.25.0
v2.26.0
v2.27.0
v2.28.0
v2.29.0
v2.3.0
v2.30.0
v2.31.0
v2.32.0
v2.33.0
v2.34.0
v2.4.0
v2.5.0
v2.6.0
v2.7.0
v2.8.0
v2.9.0
v3.*
v3.0.0
v3.0.0-rc1
v3.0.0-rc2
v3.0.0-rc3
v3.0.0-rc4
v3.1.0
v3.10.0
v3.11.0
v3.12.0
v3.13.0
v3.14.0
v3.15.0
v3.16.0
v3.17.0
v3.19.0
v3.2.0
v3.20.0
v3.21.0
v3.22.0
v3.23.0
v3.24.0
v3.25.0
v3.26.0
v3.27.0
v3.28.0
v3.29.0
v3.3.0
v3.30.0
v3.31.0
v3.32.0
v3.33.0
v3.34.0
v3.35.0
v3.36.0
v3.37.0
v3.4.0
v3.5.0
v3.6.0
v3.7.0
v3.8.0
v3.9.0
v4.*
v4.0.0
v4.1.0
v4.2.0
v4.3.0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-7736.json"