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17 vulnerabilities by osrg
CVE-2026-41643 (GCVE-0-2026-41643)
Vulnerability from cvelistv5 – Published: 2026-05-07 11:53 – Updated: 2026-05-07 13:39
VLAI
Title
GoBGP: Remote Denial of Service (Panic) in UpdatePathAttrs4ByteAs via Malformed BGP UPDATE
Summary
GoBGP is an open source Border Gateway Protocol (BGP) implementation in the Go Programming Language. Prior to version 4.3.0, a remote Denial of Service (DoS) vulnerability exists in GoBGP where a malformed BGP UPDATE message can trigger a runtime error: index out of range panic. This occurs during the processing of 4-byte AS attributes when the message structure causes an internal slice index shift that is not properly handled. This issue has been patched in version 4.3.0.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-129 - Improper Validation of Array Index
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/osrg/gobgp/security/advisories… | x_refsource_CONFIRM |
| https://github.com/osrg/gobgp/releases/tag/v4.3.0 | x_refsource_MISC |
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CVE-2026-42285 (GCVE-0-2026-42285)
Vulnerability from cvelistv5 – Published: 2026-05-07 11:53 – Updated: 2026-05-07 13:04
VLAI
Title
GoBGP: Panic in AdjRib.Update via malformed BGP Update message (Nil Pointer Dereference)
Summary
GoBGP is an open source Border Gateway Protocol (BGP) implementation in the Go Programming Language. In version 4.4.0, an unauthenticated remote BGP peer can trigger a fatal panic in GoBGP by sending a specially crafted BGP UPDATE message. When the server receives a message with inconsistent attribute lengths, it improperly handles the internal state transition to a "withdraw" action, leading to a nil pointer dereference in the AdjRib.Update function. This causes the entire GoBGP process to crash, resulting in a complete loss of service availability. This issue has been patched in version 4.5.0.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/osrg/gobgp/security/advisories… | x_refsource_CONFIRM |
| https://github.com/osrg/gobgp/releases/tag/v4.5.0 | x_refsource_MISC |
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CVE-2026-41642 (GCVE-0-2026-41642)
Vulnerability from cvelistv5 – Published: 2026-05-07 11:50 – Updated: 2026-05-07 12:34
VLAI
Title
GoBGP: Remote Denial of Service (Panic) via Malformed Well-known Path Attribute
Summary
GoBGP is an open source Border Gateway Protocol (BGP) implementation in the Go Programming Language. In version 4.3.0, a remote Denial of Service (DoS) vulnerability exists in GoBGP due to a nil pointer dereference. When a malformed BGP UPDATE message contains an unrecognized Path Attribute marked as "Well-known," the daemon fails to interrupt the message handling flow. This results in an illegal memory access and a full process crash (panic). This issue has been patched in version 4.4.0.
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-476 - NULL Pointer Dereference
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://github.com/osrg/gobgp/security/advisories… | x_refsource_CONFIRM |
| https://github.com/osrg/gobgp/releases/tag/v4.4.0 | x_refsource_MISC |
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CVE-2026-7737 (GCVE-0-2026-7737)
Vulnerability from cvelistv5 – Published: 2026-05-04 05:45 – Updated: 2026-05-05 00:57 X_Open Source
VLAI
Title
osrg GoBGP BMP Parser bmp.go BMPStatisticsReport.ParseBody out-of-bounds
Summary
A vulnerability was identified in osrg GoBGP up to 4.3.0. Affected by this issue is the function BMPPeerUpNotification.ParseBody/BMPStatisticsReport.ParseBody of the file pkg/packet/bmp/bmp.go of the component BMP Parser. The manipulation leads to out-of-bounds read. The attack can be initiated remotely. Upgrading to version 4.4.0 can resolve this issue. The identifier of the patch is bc77597d42335c78464bc8e15a471d887bbdf260. Upgrading the affected component is recommended.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/360912 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/360912/cti | signaturepermissions-required |
| https://vuldb.com/submit/807605 | third-party-advisory |
| https://github.com/osrg/gobgp/commit/bc77597d4233… | patch |
| https://github.com/osrg/gobgp/releases/tag/v4.4.0 | patch |
| https://github.com/osrg/gobgp/ | product |
Impacted products
Credits
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CVE-2026-7736 (GCVE-0-2026-7736)
Vulnerability from cvelistv5 – Published: 2026-05-04 05:30 – Updated: 2026-05-04 10:37 X_Open Source
VLAI
Title
osrg GoBGP mrt.go parseRibEntry integer underflow
Summary
A vulnerability was determined in osrg GoBGP up to 4.3.0. Affected by this vulnerability is the function parseRibEntry of the file pkg/packet/mrt/mrt.go. Executing a manipulation can lead to integer underflow. It is possible to launch the attack remotely. Upgrading to version 4.4.0 addresses this issue. This patch is called 76d911046344a3923cbe573364197aa081944592. It is suggested to upgrade the affected component.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/360911 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/360911/cti | signaturepermissions-required |
| https://vuldb.com/submit/807604 | third-party-advisory |
| https://github.com/osrg/gobgp/commit/76d911046344… | patch |
| https://github.com/osrg/gobgp/releases/tag/v4.4.0 | patch |
| https://github.com/osrg/gobgp/ | product |
Impacted products
Credits
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CVE-2026-7735 (GCVE-0-2026-7735)
Vulnerability from cvelistv5 – Published: 2026-05-04 05:15 – Updated: 2026-05-04 12:49 X_Open Source
VLAI
Title
osrg GoBGP AIGP Attribute bgp.go PathAttributeAigp.DecodeFromBytes buffer overflow
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/360910 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/360910/cti | signaturepermissions-required |
| https://vuldb.com/submit/807600 | third-party-advisory |
| https://github.com/osrg/gobgp/commit/51ad1ada06cb… | patch |
| https://github.com/osrg/gobgp/releases/tag/v4.4.0 | patch |
| https://github.com/osrg/gobgp/ | product |
Impacted products
Credits
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CVE-2026-7734 (GCVE-0-2026-7734)
Vulnerability from cvelistv5 – Published: 2026-05-04 05:00 – Updated: 2026-05-04 17:49 X_Open Source
VLAI
Title
osrg GoBGP SRv6 L3 Service prefix_sid.go SRv6L3ServiceAttribute.DecodeFromBytes denial of service
Summary
A vulnerability has been found in osrg GoBGP up to 4.3.0. This impacts the function SRv6L3ServiceAttribute.DecodeFromBytes of the file pkg/packet/bgp/prefix_sid.go of the component SRv6 L3 Service. Such manipulation of the argument data leads to denial of service. The attack may be performed from remote. Upgrading to version 4.4.0 will fix this issue. The name of the patch is f9f7b55ec258e514be0264871fa645a2c3edad11. You should upgrade the affected component.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-404 - Denial of Service
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/360909 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/360909/cti | signaturepermissions-required |
| https://vuldb.com/submit/807581 | third-party-advisory |
| https://github.com/osrg/gobgp/commit/f9f7b55ec258… | patch |
| https://github.com/osrg/gobgp/releases/tag/v4.4.0 | patch |
| https://github.com/osrg/gobgp/ | product |
Impacted products
Credits
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CVE-2026-37461 (GCVE-0-2026-37461)
Vulnerability from cvelistv5 – Published: 2026-05-04 00:00 – Updated: 2026-05-05 16:03
VLAI
Summary
An out-of-bounds read in the ParseIP6Extended function (/bgp/bgp.go) of gobgp v4.3.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE message.
Severity
7.5 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-125 - Out-of-bounds Read
Assigner
References
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "NONE",
"scope": "UNCHANGED",
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CVE-2026-5124 (GCVE-0-2026-5124)
Vulnerability from cvelistv5 – Published: 2026-03-30 16:15 – Updated: 2026-03-30 18:39 X_Open Source
VLAI
Title
osrg GoBGP BGP Header bgp.go BGPHeader.DecodeFromBytes access control
Summary
A security vulnerability has been detected in osrg GoBGP up to 4.3.0. Affected is the function BGPHeader.DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component BGP Header Handler. The manipulation leads to improper access controls. Remote exploitation of the attack is possible. The attack is considered to have high complexity. The exploitability is told to be difficult. The identifier of the patch is f0f24a2a901cbf159260698211ab15c583ced131. To fix this issue, it is recommended to deploy a patch.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/354156 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/354156/cti | signaturepermissions-required |
| https://vuldb.com/submit/780189 | third-party-advisory |
| https://github.com/osrg/gobgp/pull/3340 | issue-trackingpatch |
| https://github.com/osrg/gobgp/commit/f0f24a2a901c… | patch |
| https://github.com/osrg/gobgp/ | product |
Impacted products
Credits
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CVE-2026-5123 (GCVE-0-2026-5123)
Vulnerability from cvelistv5 – Published: 2026-03-30 15:15 – Updated: 2026-04-01 18:10 X_Open Source
VLAI
Title
osrg GoBGP bgp.go DecodeFromBytes off-by-one
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/354155 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/354155/cti | signaturepermissions-required |
| https://vuldb.com/submit/780179 | third-party-advisory |
| https://github.com/osrg/gobgp/pull/3342 | issue-trackingpatch |
| https://github.com/osrg/gobgp/commit/67c059413470… | patch |
| https://github.com/osrg/gobgp/ | product |
Impacted products
Credits
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CVE-2026-5122 (GCVE-0-2026-5122)
Vulnerability from cvelistv5 – Published: 2026-03-30 14:15 – Updated: 2026-03-30 16:38 X_Open Source
VLAI
Title
osrg GoBGP BGP OPEN Message bgp.go DecodeFromBytes access control
Summary
A security flaw has been discovered in osrg GoBGP up to 4.3.0. This affects the function DecodeFromBytes of the file pkg/packet/bgp/bgp.go of the component BGP OPEN Message Handler. Performing a manipulation of the argument domainNameLen results in improper access controls. The attack may be initiated remotely. A high degree of complexity is needed for the attack. The exploitability is reported as difficult. The patch is named 2b09db390a3d455808363c53e409afe6b1b86d2d. It is suggested to install a patch to address this issue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
6 references
| URL | Tags |
|---|---|
| https://vuldb.com/vuln/354154 | vdb-entrytechnical-description |
| https://vuldb.com/vuln/354154/cti | signaturepermissions-required |
| https://vuldb.com/submit/780124 | third-party-advisory |
| https://github.com/osrg/gobgp/pull/3343 | issue-trackingpatch |
| https://github.com/osrg/gobgp/commit/2b09db390a3d… | patch |
| https://github.com/osrg/gobgp/ | product |
Impacted products
Credits
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CVE-2026-30405 (GCVE-0-2026-30405)
Vulnerability from cvelistv5 – Published: 2026-03-16 00:00 – Updated: 2026-03-17 15:24
VLAI
Summary
An issue in GoBGP gobgpd v.4.2.0 allows a remote attacker to cause a denial of service via the NEXT_HOP path attribute
Severity
7.5 (High)
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- n/a
- CWE-400 - Uncontrolled Resource Consumption
Assigner
References
1 reference
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CVE-2025-7464 (GCVE-0-2025-7464)
Vulnerability from cvelistv5 – Published: 2025-07-12 06:32 – Updated: 2025-07-14 20:12
VLAI
Title
osrg GoBGP rtr.go SplitRTR out-of-bounds
Summary
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.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.316116 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.316116 | signaturepermissions-required |
| https://vuldb.com/?submit.610193 | third-party-advisory |
| https://github.com/osrg/gobgp/commit/e748f43496d7… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| osrg | GoBGP |
Affected:
3.0
Affected: 3.1 Affected: 3.2 Affected: 3.3 Affected: 3.4 Affected: 3.5 Affected: 3.6 Affected: 3.7 Affected: 3.8 Affected: 3.9 Affected: 3.10 Affected: 3.11 Affected: 3.12 Affected: 3.13 Affected: 3.14 Affected: 3.15 Affected: 3.16 Affected: 3.17 Affected: 3.18 Affected: 3.19 Affected: 3.20 Affected: 3.21 Affected: 3.22 Affected: 3.23 Affected: 3.24 Affected: 3.25 Affected: 3.26 Affected: 3.27 Affected: 3.28 Affected: 3.29 Affected: 3.30 Affected: 3.31 Affected: 3.32 Affected: 3.33 Affected: 3.34 Affected: 3.35 Affected: 3.36 Affected: 3.37.0 |
Credits
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CVE-2025-43973 (GCVE-0-2025-43973)
Vulnerability from cvelistv5 – Published: 2025-04-21 00:00 – Updated: 2025-04-21 01:52
VLAI
Summary
An issue was discovered in GoBGP before 3.35.0. pkg/packet/rtr/rtr.go does not verify that the input length corresponds to a situation in which all bytes are available for an RTR message.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-193 - Off-by-one Error
Assigner
References
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CVE-2025-43971 (GCVE-0-2025-43971)
Vulnerability from cvelistv5 – Published: 2025-04-21 00:00 – Updated: 2025-04-21 01:55
VLAI
Summary
An issue was discovered in GoBGP before 3.35.0. pkg/packet/bgp/bgp.go allows attackers to cause a panic via a zero value for softwareVersionLen.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-193 - Off-by-one Error
Assigner
References
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CVE-2025-43970 (GCVE-0-2025-43970)
Vulnerability from cvelistv5 – Published: 2025-04-21 00:00 – Updated: 2025-04-21 01:56
VLAI
Summary
An issue was discovered in GoBGP before 3.35.0. pkg/packet/mrt/mrt.go does not properly check the input length, e.g., by ensuring that there are 12 bytes or 36 bytes (depending on the address family).
Severity
4.3 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
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CVE-2025-43972 (GCVE-0-2025-43972)
Vulnerability from cvelistv5 – Published: 2025-04-21 00:00 – Updated: 2025-04-21 01:54
VLAI
Summary
An issue was discovered in GoBGP before 3.35.0. An attacker can cause a crash in the pkg/packet/bgp/bgp.go flowspec parser by sending fewer than 20 bytes in a certain context.
Severity
6.8 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-1284 - Improper Validation of Specified Quantity in Input
Assigner
References
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