osrg GoBGP up to 4.3.0 BMP Parser pkg/packet/bmp/bmp.go out-of-bounds
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 5.1 | $0-$5k | 0.00 |
Summary
A vulnerability was found in osrg GoBGP up to 4.3.0. It has been declared as problematic. This affects the function BMPPeerUpNotification.ParseBody/BMPStatisticsReport.ParseBody of the file pkg/packet/bmp/bmp.go of the component BMP Parser. The manipulation results in out-of-bounds.
This vulnerability is reported as CVE-2026-7737. The attack can be launched remotely. No exploit exists.
It is recommended to upgrade the affected component.
Details
A vulnerability, which was classified as problematic, was found in osrg GoBGP up to 4.3.0. Affected is the function BMPPeerUpNotification.ParseBody/BMPStatisticsReport.ParseBody of the file pkg/packet/bmp/bmp.go of the component BMP Parser. The manipulation with an unknown input leads to a out-of-bounds vulnerability. CWE is classifying the issue as CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. This is going to have an impact on availability.
The advisory is shared for download at github.com. This vulnerability is traded as CVE-2026-7737. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.
Upgrading to version 4.4.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch bc77597d42335c78464bc8e15a471d887bbdf260 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Vendor
Name
Version
License
Website
- Product: https://github.com/osrg/gobgp/
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 5.3VulDB Meta Temp Score: 5.1
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔒
VulDB Reliability: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
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| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Out-of-boundsCWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒
Physical: No
Local: No
Remote: Yes
Availability: 🔒
Status: Not defined
EPSS Score: 🔒
EPSS Percentile: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔒
Upgrade: GoBGP 4.4.0
Patch: bc77597d42335c78464bc8e15a471d887bbdf260
Timeline
05/03/2026 Advisory disclosed05/03/2026 VulDB entry created
05/03/2026 VulDB entry last update
Sources
Product: github.comAdvisory: bc77597d42335c78464bc8e15a471d887bbdf260
Status: Confirmed
CVE: CVE-2026-7737 (🔒)
GCVE (CVE): GCVE-0-2026-7737
GCVE (VulDB): GCVE-100-360912
Entry
Created: 05/03/2026 18:21Changes: 05/03/2026 18:21 (59)
Complete: 🔍
Submitter: Sunxj
Cache ID: 216::103
Submit
Accepted
- Submit #807605: osrg GoBGP <= 4.3.0 Out-of-Bounds Read (by Sunxj)
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