CVE-2026-5123
- Source
- https://cve.org/CVERecord?id=CVE-2026-5123
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-5123.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-5123
- Downstream
- Published
- 2026-03-30T15:15:14Z
- Modified
- 2026-10-21T02:58:26Z
- Severity
-
- 6.3 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X CVSS Calculator
- Summary
- osrg GoBGP bgp.go DecodeFromBytes off-by-one
- Details
-
A weakness has been identified in osrg GoBGP up to 4.3.0. This impacts the function DecodeFromBytes of the file pkg/packet/bgp/bgp.go. Executing a manipulation of the argument data[1] can lead to off-by-one. The attack may be launched remotely. Attacks of this nature are highly complex. The exploitability is said to be difficult. This patch is called 67c059413470df64bc20801c46f64058e88f800f. A patch should be applied to remediate this issue.
- Database specific
{ "cna_assigner": "VulDB", "cwe_ids": [ "CWE-189", "CWE-193" ], "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5123.json" }- References
-
- https://github.com/osrg/gobgp/
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/5xxx/CVE-2026-5123.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-5123
- https://vuldb.com/submit/780179
- https://vuldb.com/vuln/354155
- https://vuldb.com/vuln/354155/cti
- https://github.com/osrg/gobgp/commit/67c059413470df64bc20801c46f64058e88f800f
- https://github.com/osrg/gobgp/pull/3342
Affected packages
Git / github.com/osrg/gobgp
Affected ranges
- Type
- GIT
- Repo
- https://github.com/osrg/gobgp
- Events
- Database specific
-
Show details
{ "extracted_events": [ { "range": [ { "introduced": "4.0" }, { "last_affected": "4.0" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "introduced": "4.1" }, { "last_affected": "4.1" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "introduced": "4.2" }, { "last_affected": "4.2" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "introduced": "4.3.0" }, { "last_affected": "4.3.0" } ], "source": "AFFECTED_FIELD", "strategy": "StandaloneSingleVersion" }, { "range": [ { "fixed": "67c059413470df64bc20801c46f64058e88f800f" } ], "source": "REFERENCES_COMMIT" } ] }