DEBIAN-CVE-2026-7736

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Source
https://security-tracker.debian.org/tracker/CVE-2026-7736
Import Source
https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7736.json
JSON Data
https://api.osv.dev/v1/vulns/DEBIAN-CVE-2026-7736
Upstream
Published
2026-05-04T07:16:01Z
Modified
2026-09-14T17:03:34Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
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.

References

Affected packages

Debian:12 / gobgp

Package

Name
gobgp
Purl
pkg:deb/debian/gobgp?arch=source&distro=bookworm

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.10.0-1
3.16.0-1
3.19.0-1
3.21.0-1
3.23.0-1
3.25.0-1
3.27.0-1
3.28.0-1
3.29.0-1
3.30.0-1
3.31.0-1
3.32.0-1
3.33.0-1
3.35.0-1
3.36.0-1
3.36.0-2
4.*
4.3.0-1
4.4.0-1
4.5.0-1~bpo13+1
4.5.0-1
4.6.0-1
4.6.0-2~bpo13+1
4.6.0-2
4.7.0-1~bpo13+1
4.7.0-1
4.8.0-1
4.8.0-2~exp1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7736.json"

Debian:13 / gobgp

Package

Name
gobgp
Purl
pkg:deb/debian/gobgp?arch=source&distro=trixie

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.36.0-2
4.*
4.3.0-1
4.4.0-1
4.5.0-1~bpo13+1
4.5.0-1
4.6.0-1
4.6.0-2~bpo13+1
4.6.0-2
4.7.0-1~bpo13+1
4.7.0-1
4.8.0-1
4.8.0-2~exp1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7736.json"

Debian:14 / gobgp

Package

Name
gobgp
Purl
pkg:deb/debian/gobgp?arch=source&distro=forky

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
4.4.0-1

Affected versions

3.*
3.36.0-2
4.*
4.3.0-1

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Database specific

source 
"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-7736.json"