CVE-2026-37457: n/a
CVE-2026-37457 is an off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function of FRRouting (FRR) stable/10.0. This flaw allows an attacker to cause a Denial of Service (DoS) by supplying a specially crafted FlowSpec component. The vulnerability does not affect confidentiality or integrity but impacts availability. No official patch or remediation information is currently available. There are no known exploits in the wild at this time.
AI Analysis
Technical Summary
This vulnerability involves an off-by-one out-of-bounds write in the bgp_flowspec_op_decode() function located in bgpd/bgp_flowspec_util.c within FRRouting stable/10.0. An attacker can trigger this condition by providing a crafted FlowSpec component, leading to a denial of service. The CVSS 3.1 base score is 7.5, reflecting high severity due to network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability.
Potential Impact
The vulnerability allows remote attackers to cause a denial of service on affected FRRouting instances by triggering an out-of-bounds write. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor vendor communications for updates. No specific mitigations or workarounds are documented at this time.
CVE-2026-37457: n/a
Description
CVE-2026-37457 is an off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function of FRRouting (FRR) stable/10.0. This flaw allows an attacker to cause a Denial of Service (DoS) by supplying a specially crafted FlowSpec component. The vulnerability does not affect confidentiality or integrity but impacts availability. No official patch or remediation information is currently available. There are no known exploits in the wild at this time.
CVSS v3.1
Score 7.5high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability involves an off-by-one out-of-bounds write in the bgp_flowspec_op_decode() function located in bgpd/bgp_flowspec_util.c within FRRouting stable/10.0. An attacker can trigger this condition by providing a crafted FlowSpec component, leading to a denial of service. The CVSS 3.1 base score is 7.5, reflecting high severity due to network attack vector, low attack complexity, no privileges required, no user interaction, and impact limited to availability.
Potential Impact
The vulnerability allows remote attackers to cause a denial of service on affected FRRouting instances by triggering an out-of-bounds write. There is no impact on confidentiality or integrity according to the CVSS vector. No known exploits have been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor vendor communications for updates. No specific mitigations or workarounds are documented at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-04-06T00:00:00.000Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f4e81bcbff5d861026ece9
Added to database: 5/1/2026, 5:51:23 PM
Last enriched: 6/3/2026, 9:17:02 PM
Last updated: 6/15/2026, 8:24:30 AM
Views: 90
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