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Description

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.

PUBLISHED Reserved 2026-05-03 | Published 2026-05-04 | Updated 2026-05-04 | Assigner VulDB




MEDIUM: 6.9CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X
HIGH: 7.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
HIGH: 7.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C
7.5AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:OF/RC:C

Problem types

Buffer Overflow

Memory Corruption

Product status

4.0
affected

4.1
affected

4.2
affected

4.3.0
affected

4.4.0
unaffected

Timeline

2026-05-03:Advisory disclosed
2026-05-03:VulDB entry created
2026-05-03:VulDB entry last update

Credits

rensiru (VulDB User) reporter

References

vuldb.com/vuln/360910 (VDB-360910 | osrg GoBGP AIGP Attribute bgp.go PathAttributeAigp.DecodeFromBytes buffer overflow) vdb-entry technical-description

vuldb.com/vuln/360910/cti (VDB-360910 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/submit/807600 (Submit #807600 | GoBGP 4.3.0 Improper Input Validation) third-party-advisory

github.com/...ommit/51ad1ada06cb41ce47b7066799981816f50b7ced patch

github.com/osrg/gobgp/releases/tag/v4.4.0 patch

github.com/osrg/gobgp/ product

cve.org (CVE-2026-7735)

nvd.nist.gov (CVE-2026-7735)

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