CVE catalog
CVE-2026-7735
A vulnerability was found in osrg GoBGP up to 4.3.0. Affected is the function PathAttributeAigp.DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component AIGP Attribute Parser. Performing a m
- Severity
- High · CVSS 7.3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.36% · Oct 25, 2026
A vulnerability was found in osrg GoBGP up to 4.3.0. Affected is the function PathAttributeAigp.DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component AIGP Attribute Parser. Performing a manipulation results in buffer overflow. It is possible to initiate the attack remotely. Upgrading to version 4.4.0 is able to address this issue. The patch is named 51ad1ada06cb41ce47b7066799981816f50b7ced. The affected component should be upgraded.
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 |
| 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 |
| Ubuntu | gobgp | deb | pro | 3.36.0-2ubuntu0.1~esm1 | Not reported | UBUNTU-CVE-2026-7735 | Not reported |
| Cpe | gobgp | cpe | Not reported | 4.4.0 | Not reported | NVD-CVE-2026-7735 | Not reported |
Notes
[trixie] gobgp: Minor issue [bookworm] gobgp: Minor issue, AIGP attr parser error handling
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/51ad1ada06cb41ce47b7066799981816f50b7ced]
- [https://github.com/osrg/gobgp/releases/tag/v4.4.0]
- [https://nvd.nist.gov/vuln/detail/CVE-2026-7735]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2026-7735]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2026-7735]
- [https://security-tracker.debian.org/tracker/CVE-2026-7735]
- [https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-7735.json]
- [https://ubuntu.com/security/notices/USN-8348-1]
- [https://vuldb.com/submit/807600]
- [https://vuldb.com/vuln/360910]
- [https://vuldb.com/vuln/360910/cti]
[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [Ubuntu Security Notices (USN)]