osrg GoBGP rtr.go SplitRTR out-of-bounds

published 2025-07-12 15 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-21209

cvss: 3.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.5%; EPSS 0.5% chance of exploitation in 30 days, percentile 41%
public exploits: 0; none known

A vulnerability classified as problematic has been found in osrg GoBGP up to 3.37.0. Affected is the function SplitRTR of the file pkg/packet/rtr/rtr.go. The manipulation leads to out-of-bounds read. It is possible to launch the attack remotely. The complexity of an attack is rather high. The exploitability is told to be difficult. The name of the patch is e748f43496d74946d14fed85c776452e47b99d64. It is recommended to apply a patch to fix this issue.

Patch / fix

distros 1 links 1

gobgp Debian 14 4.3.0-1

debian advisories DEBIAN-CVE-2025-7464

github.com/osrg/gobgp@e748f43 commit

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 15 mo ago (2025-07-14)

Exploit prediction

0.48% chance of exploitation in the next 30 days, higher than 41% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	4.0	6.3	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
CNA	3.1	3.7	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
CNA	3.0	3.7	CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C
CNA	2.0	2.6	AV:N/AC:H/Au:N/C:N/I:N/A:P/E:ND/RL:OF/RC:C
CNA	4.0	6.3	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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA	3.1	3.7	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CNA	2.0	2.6	AV:N/AC:H/Au:N/C:N/I:N/A:P

Affected products

osrg GoBGP

Classification

Weakness

CWE-125 Out-of-bounds Read
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

github.com /osrg/gobgp/commit/e748f43496d74946d14fed85c776452e47b99d64
patch
vuldb.com /?id.316116
vdb-entry, technical-description
vuldb.com /?ctiid.316116
signature, permissions-required
vuldb.com /?submit.610193
third-party-advisory

Sources

CVE List CVE-2025-7464
NVD CVE-2025-7464

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary