Off-by-one Error Affecting github.com/osrg/gobgp/v3/pkg/packet/bgp package, versions <4.4.0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-GOLANG-GITHUBCOMOSRGGOBGPV3PKGPACKETBGP-15855305
- published31 Mar 2026
- disclosed30 Mar 2026
- creditUnknown
Introduced: 30 Mar 2026
CVE-2026-5123 Â (opens in a new tab)How to fix?
Upgrade github.com/osrg/gobgp/v3/pkg/packet/bgp to version 4.4.0 or higher.
Overview
Affected versions of this package are vulnerable to Off-by-one Error in the CapSoftwareVersion.DecodeFromBytes() function. An attacker can cause a denial of service by remotely manipulating the data argument to trigger an off-by-one error.