CVE-2026-37457

HIGHPre-NVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-05-01. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
7.5
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 0%CVSS: 7.5Exploit: NoneExposed: 0

A fix is available — apply it.

An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted FlowSpec component.

CVSS v3
7.5
EG Score
7.5(medium)
EPSS
31.1%
KEV
Not listed

Published

May 1, 2026

Last Modified

July 15, 2026

Advisory Details (1)

Auto-updated May 1, 2026
No patch confirmed yet.
generic

bgpd: fix off-by-one error in FlowSpec operator array bounds check · FRRouting/frr@0e6882b · GitHub

https://github.com/FRRouting/frr/commit/0e6882bc72c0278988a47b2f0f73b7a91099a25c

Vendor Advisories for CVE-2026-37457(2)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Patch Availability(5)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntufrr-snmp (10.5.1-1ubuntu4.1) @ resolute2026-06-14ubuntu
redhatfrr10-0:10.4.3-3.el9_82026-06-08redhat
redhatfrr-0:8.5.3-13.el9_82026-06-08redhat
redhatfrr-0:10.4.4-1.el10_22026-06-08redhat
redhatfrr-0:7.5.1-24.el8_102026-06-08redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Additional Vendor Advisories

(5)

Vendors that published advisories for this CVE beyond the curated set above. Broader coverage but minimal per-row detail — click through for the original advisory.

Data Freshness Timeline

(refreshed 9× in last 7d / 39× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

Showing the most recent 100 of 156 total refreshes for this CVE.

  1. 2026-07-15 16:57 UTCEPSS rescore
  2. 2026-07-15 16:57 UTCEPSS rescore
  3. 2026-07-15 02:00 UTCEPSS rescore
  4. 2026-07-13 22:30 UTCEPSS rescore
  5. 2026-07-13 06:13 UTCEPSS rescore
  6. 2026-07-13 06:13 UTCEPSS rescore
  7. 2026-07-12 05:46 UTCEPSS rescore
  8. 2026-07-11 08:27 UTCEPSS rescore
  9. 2026-07-09 19:10 UTCEPSS rescore
  10. 2026-07-08 15:15 UTCEPSS rescore
  11. 2026-07-07 13:46 UTCEPSS rescore
  12. 2026-07-06 16:27 UTCEPSS rescore
  13. 2026-07-06 16:27 UTCEPSS rescore
  14. 2026-07-06 02:23 UTCEPSS rescore
  15. 2026-07-06 02:23 UTCEPSS rescore
  16. 2026-07-05 02:30 UTCEPSS rescore
  17. 2026-07-04 06:31 UTCEPSS rescore
  18. 2026-07-01 15:06 UTCEPSS rescore
  19. 2026-06-30 23:22 UTCEPSS rescore
  20. 2026-06-29 14:06 UTCEPSS rescore
  21. 2026-06-28 14:07 UTCEPSS rescore
  22. 2026-06-28 04:56 UTCEPSS rescore
  23. 2026-06-27 03:08 UTCEPSS rescore
  24. 2026-06-25 13:49 UTCEPSS rescore
  25. 2026-06-25 13:49 UTCEPSS rescore
Show 75 more
  1. 2026-06-24 14:05 UTCEPSS rescore
  2. 2026-06-23 21:33 UTCEPSS rescore
  3. 2026-06-23 21:33 UTCEPSS rescore
  4. 2026-06-22 14:25 UTCEPSS rescore
  5. 2026-06-22 14:25 UTCEPSS rescore
  6. 2026-06-21 14:56 UTCEPSS rescore
  7. 2026-06-21 14:56 UTCEPSS rescore
  8. 2026-06-21 01:59 UTCEPSS rescore
  9. 2026-06-19 19:25 UTCEPSS rescore
  10. 2026-06-19 19:25 UTCEPSS rescore
  11. 2026-06-18 17:52 UTCEPSS rescore
  12. 2026-06-18 17:52 UTCEPSS rescore
  13. 2026-06-17 17:53 UTCEPSS rescore
  14. 2026-06-16 17:52 UTCEPSS rescore
  15. 2026-06-15 17:49 UTCEPSS rescore
  16. 2026-06-14 23:18 UTCEPSS rescore
  17. 2026-06-14 21:44 UTCEG score recompute
  18. 2026-06-14 21:44 UTCVendor advisory
  19. 2026-06-14 21:44 UTCGHSA enrichment
  20. 2026-06-14 08:34 UTCEG score recompute
  21. 2026-06-14 08:34 UTCVendor advisory
  22. 2026-06-14 08:34 UTCGHSA enrichment
  23. 2026-06-13 23:00 UTCEPSS rescore
  24. 2026-06-12 23:12 UTCEPSS rescore
  25. 2026-06-12 23:12 UTCEPSS rescore
  26. 2026-06-12 10:21 UTCEG score recompute
  27. 2026-06-12 10:21 UTCVendor advisory
  28. 2026-06-12 10:21 UTCGHSA enrichment
  29. 2026-06-11 20:33 UTCEG score recompute
  30. 2026-06-11 20:33 UTCVendor advisory
  31. 2026-06-11 20:33 UTCGHSA enrichment
  32. 2026-06-11 14:00 UTCEPSS rescore
  33. 2026-06-11 07:24 UTCEG score recompute
  34. 2026-06-11 07:24 UTCVendor advisory
  35. 2026-06-11 07:24 UTCGHSA enrichment
  36. 2026-06-10 22:18 UTCEPSS rescore
  37. 2026-06-10 18:15 UTCEG score recompute
  38. 2026-06-10 18:15 UTCVendor advisory
  39. 2026-06-10 18:15 UTCGHSA enrichment
  40. 2026-06-10 13:22 UTCEPSS rescore
  41. 2026-06-10 05:06 UTCEG score recompute
  42. 2026-06-10 05:06 UTCVendor advisory
  43. 2026-06-10 05:06 UTCGHSA enrichment
  44. 2026-06-09 15:57 UTCEG score recompute
  45. 2026-06-09 15:57 UTCVendor advisory
  46. 2026-06-09 15:57 UTCGHSA enrichment
  47. 2026-06-09 02:48 UTCEG score recompute
  48. 2026-06-09 02:48 UTCVendor advisory
  49. 2026-06-09 02:48 UTCGHSA enrichment
  50. 2026-06-08 14:17 UTCEPSS rescore
  51. 2026-06-08 14:17 UTCEPSS rescore
  52. 2026-06-08 13:19 UTCEG score recompute
  53. 2026-06-08 13:19 UTCVendor advisory
  54. 2026-06-08 13:18 UTCGHSA enrichment
  55. 2026-06-08 00:09 UTCEG score recompute
  56. 2026-06-08 00:09 UTCVendor advisory
  57. 2026-06-08 00:09 UTCGHSA enrichment
  58. 2026-06-07 15:25 UTCEPSS rescore
  59. 2026-06-07 15:25 UTCEPSS rescore
  60. 2026-06-07 15:25 UTCEPSS rescore
  61. 2026-06-07 10:57 UTCEG score recompute
  62. 2026-06-07 10:57 UTCVendor advisory
  63. 2026-06-07 10:57 UTCGHSA enrichment
  64. 2026-06-06 21:48 UTCEG score recompute
  65. 2026-06-06 21:48 UTCVendor advisory
  66. 2026-06-06 21:48 UTCGHSA enrichment
  67. 2026-06-06 13:47 UTCEPSS rescore
  68. 2026-06-06 13:47 UTCEPSS rescore
  69. 2026-06-06 08:39 UTCEG score recompute
  70. 2026-06-06 08:39 UTCVendor advisory
  71. 2026-06-06 08:39 UTCGHSA enrichment
  72. 2026-06-05 22:47 UTCEPSS rescore
  73. 2026-06-05 22:47 UTCEPSS rescore
  74. 2026-06-05 19:30 UTCEG score recompute
  75. 2026-06-05 19:30 UTCVendor advisory

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-37457?
CVE-2026-37457 is a high vulnerability published on May 1, 2026. An off-by-one out-of-bounds write vulnerability in the bgpflowspecopdecode() function (bgpd/bgpflowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted FlowSpec component.
When was CVE-2026-37457 disclosed?
CVE-2026-37457 was first published in the National Vulnerability Database on May 1, 2026, with the most recent update on July 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-37457 actively exploited?
CVE-2026-37457 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 31.1% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2026-37457?
CVE-2026-37457 has a CVSS v3.1 base score of 7.5 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-37457?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-37457, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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