CVE-2025-43972

GoBGP · Vulnerability

CVSS 3.1 6.8 MEDIUMEUVD CVSS 3.1 6.8 CVSS 3.1 · [email protected] · Secondary 6.8 MEDIUMCVSS 3.1 · [email protected] · Primary 7.5 HIGHCVSS_V3 Publisher rating MODERATEFixed by github.com/osrg/gobgp/v3 3.35.0osv · severity unknownFixed by github.com/osrg/gobgp/v3 3.35.0KEV status unknown

Original advisory

cve-program · CVE-2025-43972

Published

An issue was discovered in GoBGP before 3.35.0. An attacker can cause a crash in the pkg/packet/bgp/bgp.go flowspec parser by sending fewer than 20 bytes in a certain context.

Read the publisher's advisory

euvd · EUVD-2025-12348

Published

An issue was discovered in GoBGP before 3.35.0. An attacker can cause a crash in the pkg/packet/bgp/bgp.go flowspec parser by sending fewer than 20 bytes in a certain context.

Read the publisher's advisory

nvd · CVE-2025-43972

Published

An issue was discovered in GoBGP before 3.35.0. An attacker can cause a crash in the pkg/packet/bgp/bgp.go flowspec parser by sending fewer than 20 bytes in a certain context.

Read the publisher's advisory

osv · GHSA-mfvv-mgf6-q25r

Published

An issue was discovered in GoBGP before 3.35.0. An attacker can cause a crash in the pkg/packet/bgp/bgp.go flowspec parser by sending fewer than 20 bytes in a certain context.

Read the publisher's advisory

osv · GO-2025-3632

Published

GoBGP crashes in the flowspec parser in github.com/osrg/gobgp

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2025-43972

Published

GoBGP

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "defaultStatus": "unaffected",
                    "product": "GoBGP",
                    "vendor": "GoBGP",
                    "versions": [
                        {
                            "lessThan": "3.35.0",
                            "status": "affected",
                            "version": "0",
                            "versionType": "semver"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON

euvd · EUVD-2025-12348

Published

EUVD source date text has no stated timezone and is retained without inventing a UTC instant. Related bulletin membership is not an alias, common cause or applicability claim. A missing vector with a zero score is treated as unrated. Complete vendor/product and underlying source evidence remains in the original JSON.

Original publisher date fields

datePublished: Apr 21, 2025, 12:00:00 AM

dateUpdated: Apr 21, 2025, 1:54:34 AM

1 related source bulletins · separate from aliases

openSUSE-SU-2025:15017-1: govulncheck-vulndb-0.0.20250422T181640-1.1 on GA media

CVE-2019-15119 · CVE-2025-1386 · CVE-2025-2424 · CVE-2025-24358 · CVE-2025-2475 · CVE-2025-24839 · CVE-2025-24866 · CVE-2025-2564 · CVE-2025-27538 · CVE-2025-27571 · CVE-2025-27936 · CVE-2025-30206 · CVE-2025-31363 · CVE-2025-32093 · CVE-2025-32431 · CVE-2025-32445 · CVE-2025-32793 · CVE-2025-32963 · CVE-2025-3801 · CVE-2025-43970 · CVE-2025-43971 · CVE-2025-43972 · CVE-2025-43973

No normalized affected-package data is projected for this source revision. The original publisher record may contain additional product and version evidence; this does not establish that a package is unaffected.

Original source record · Cite this exact observation · Complete original publisher JSON

nvd · CVE-2025-43972

Published

NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON.

Source analysis status: Analyzed

Weakness classifications: CWE-1284

Original publisher date fields

published: 2025-04-21T01:15:45.563

lastModified: 2026-06-17T09:24:51.033

1 source CPE criteria · context only

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

The original JSON retains the logical configuration operators, exclusions and version bounds.

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GHSA-mfvv-mgf6-q25r

Published

github.com/osrg/gobgp

SEMVER · introduced 0

github.com/osrg/gobgp/v3

SEMVER · introduced 0 → fixed 3.35.0

Original source record · Cite this exact observation · Complete original publisher JSON

osv · GO-2025-3632

Published

github.com/osrg/gobgp

SEMVER · introduced 0

github.com/osrg/gobgp/v3

SEMVER · introduced 0 → fixed 3.35.0

Original source record · Cite this exact observation · Complete original publisher JSON