CVE catalog
CVE-2026-7737
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
- Severity
- High · CVSS 7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.63% · Oct 25, 2026
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.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | gobgp | sid | 4.8.0-1 | fixed |
| Debian | gobgp | forky | 4.8.0-1 | fixed |
| Debian | gobgp | trixie | 3.36.0-2 | vulnerable |
| Debian | gobgp | bookworm | 3.10.0-1 | vulnerable |
| Cpe | gobgp | Not reported | 3.23.0-1ubuntu0.3+esm4 | fixed |
| Cpe | gobgpd | Not reported | 3.23.0-1ubuntu0.3+esm4 | fixed |
| Cpe | golang-github-osrg-gobgp-dev | Not reported | 3.23.0-1ubuntu0.3+esm4 | fixed |
| Cpe | gobgp | Not reported | Not reported | vulnerable |
| Cpe | gobgp | Not reported | 4.4.0 | fixed |
| Go | github.com/osrg/gobgp/v4 | Not reported | 4.4.0 | fixed |
| Ubuntu | gobgp | pro | 3.36.0-2 | vulnerable |
| Ubuntu | gobgp | pro | 3.36.0-2build1 | vulnerable |
| Ubuntu | gobgp | pro | 3.36.0-2ubuntu0.1~esm1 | fixed |
| Ubuntu | gobgp | 25.10 | 3.35.0-1 | vulnerable |
| Ubuntu | gobgp | 25.10 | 3.36.0-2 | vulnerable |
| Cpe | gobgp | Not reported | 4.4.0 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | gobgp | source | sid | 4.4.0-1 | not yet assigned | Not reported | Not reported |
| Debian | gobgp | source | forky | 4.4.0-1 | not yet assigned | Not reported | Not reported |
| Debian | gobgp | source | trixie | (unfixed) | not yet assigned | Not reported | Not reported |
| Debian | gobgp | source | bookworm | (unfixed) | not yet assigned | Not reported | Not reported |
| Cpe | gobgp | cpe | Not reported | 3.23.0-1ubuntu0.3+esm4 | Not reported | Not reported | Not reported |
| Cpe | gobgpd | cpe | Not reported | 3.23.0-1ubuntu0.3+esm4 | Not reported | Not reported | Not reported |
| Cpe | golang-github-osrg-gobgp-dev | cpe | Not reported | 3.23.0-1ubuntu0.3+esm4 | Not reported | Not reported | Not reported |
| Cpe | gobgp | cpe | Not reported | 4.4.0 | Not reported | Not reported | Not reported |
| Go | github.com/osrg/gobgp/v4 | Go | Not reported | 4.4.0 | Not reported | Not reported | Not reported |
| Ubuntu | gobgp | deb | pro | 3.36.0-2ubuntu0.1~esm1 | Not reported | UBUNTU-CVE-2026-7737 | Not reported |
| Cpe | gobgp | cpe | Not reported | 4.4.0 | Not reported | NVD-CVE-2026-7737 | Not reported |
Notes
[trixie] gobgp: Minor issue [bookworm] gobgp: Minor issue, missing length check in BMP ParseBody
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [gobgpd]Affected
Source package: [gobgp]
Details (2)
3.10.0-1+b4· amd64 · bookwormAffected
nvd · gobgp · debian · bookworm; nvd · gobgp · debian · 12
3.10.0-1+b4· arm64 · bookwormAffected
nvd · gobgp · debian · bookworm; nvd · gobgp · debian · 12
- [golang-github-osrg-gobgp-dev]Affected
Source package: [gobgp]
Details (2)
3.10.0-1· all · bookwormAffected
nvd · gobgp · debian · bookworm; nvd · gobgp · debian · 12
3.10.0-1· all · bookwormAffected
nvd · gobgp · debian · bookworm; nvd · gobgp · debian · 12
[Debian 13 (Trixie)]
- [gobgpd]Affected
Source package: [gobgp]
Details (4)
3.36.0-2+b3· amd64 · trixieAffected
nvd · gobgp · debian · 13
3.36.0-2+b3· arm64 · trixieAffected
nvd · gobgp · debian · 13
4.7.0-1~bpo13+1· amd64 · trixie-backportsAffected
nvd · gobgp · debian · 13
4.7.0-1~bpo13+1· arm64 · trixie-backportsAffected
nvd · gobgp · debian · 13
- [golang-github-osrg-gobgp-dev]Affected
Source package: [gobgp]
Details (4)
3.36.0-2· all · trixieAffected
nvd · gobgp · debian · 13
3.36.0-2· all · trixieAffected
nvd · gobgp · debian · 13
4.7.0-1~bpo13+1· all · trixie-backportsAffected
nvd · gobgp · debian · 13
4.7.0-1~bpo13+1· all · trixie-backportsAffected
nvd · gobgp · debian · 13
Observed:
References
- [https://github.com/osrg/gobgp/]
- [https://github.com/osrg/gobgp/commit/bc77597d42335c78464bc8e15a471d887bbdf260]
- [https://github.com/osrg/gobgp/releases/tag/v4.4.0]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-7737]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-7737]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-7737]
- [https://pkg.go.dev/vuln/GO-2026-5699]
- [https://security-tracker.debian.org/tracker/CVE-2026-7737]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-7737.json]
- [https://ubuntu.com/security/notices/USN-8348-1]
- [https://vuldb.com/submit/807605]
- [https://vuldb.com/vuln/360912]
- [https://vuldb.com/vuln/360912/cti]
[Debian Security Tracker] · [FIRST EPSS] · [Go Vulnerability Database] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [Ubuntu Security Notices (USN)]