CVE-2026-32283

HIGHNVD 7.57.5—
EchelonGraph scoreMEDIUM confidence

Score 7.5 from GitHub Security Advisory (severity: HIGH) published 2026-04-08. NVD baseline CVSS 7.5; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, nvd
Trending — Patch released this week
7.5EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1%CVSS: 7.5Exploit: None knownExposed: 0

A fix is available — apply it.

If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a denial of service. This only affects TLS 1.3.

CVSS v3
7.5
EG Score
7.5(medium)
EG Risk
49(Track)
EG Risk 49/100SSVC: Track

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity75% × 45%
Exploitation1% × 40%
Automatability100% × 15%
Action: Routine — remediate on your standard cadence.
EPSS PROB
1%
EPSS %ILE
47%
KEV
Not listed

Published

April 8, 2026

Last Modified

August 25, 2026

Advisory Details (4)

Auto-updated Jun 10, 2026
No patch confirmed yet.
generic

GO-2026-4870 - Go Packages

https://pkg.go.dev/vuln/GO-2026-4870
generic
https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU
generic

crypto/tls: multiple key update handshake messages can cause connection to deadlock · Issue #78334 · golang/go · GitHub

https://go.dev/issue/78334
generic
https://go.dev/cl/763767

Vendor Advisories for CVE-2026-32283(20)

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

Patch Availability(30)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatopenshift4/ose-ansible-rhel9-operator:17870132512026-08-25redhat
redhatweb-terminal/web-terminal-exec-rhel9:17866556762026-08-18redhat
redhatweb-terminal/web-terminal-exec-rhel9:17866545962026-08-18redhat
redhatweb-terminal/web-terminal-exec-rhel9:17866554672026-08-18redhat
redhatweb-terminal/web-terminal-exec-rhel9:17866548672026-08-18redhat
redhatweb-terminal/web-terminal-exec-rhel9:17866546132026-08-18redhat
redhatetcd-0:3.3.23-22.el8ost2026-08-13redhat
redhatrhc-worker-script-0:0.11-1.el7_92026-08-12redhat
redhatgolang-github-danielqsj-kafka_exporter2026-08-12redhat
redhatcontainer-tools:rhel8-8060020260803064027.ad008a3a2026-08-06redhat
redhatcontainer-tools:rhel8-8080020260721142025.63b345852026-08-04redhat
redhatrhc-1:0.2.2-1.el9_2.32026-08-03redhat
redhatrhc-1:0.2.4-8.el9_42026-08-03redhat
redhatosbuild-composer-0:101.5-1.el8_102026-07-31redhat
redhatgolang-0:1.25.9-1.el9_42026-07-29redhat
redhatgrafana-0:9.2.10-27.el9_42026-07-29redhat
redhatgrafana-pcp-0:5.1.1-8.el9_42026-07-29redhat
redhatosbuild-composer-0:76.1-6.el9_22026-07-29redhat
redhatgrafana-pcp-0:5.1.1-5.el9_2.12026-07-29redhat
redhatosbuild-composer-0:101.3-4.el9_4.32026-07-29redhat
redhatgrafana-0:9.0.9-12.el9_22026-07-29redhat
redhatgolang-0:1.25.9-1.el9_22026-07-29redhat
redhatrhoai/odh-kueue-controller-rhel9:17835444612026-07-21redhat
redhatrhmtc/openshift-migration-registry-rhel8:17839142762026-07-20redhat
redhatflightctl-0:1.1.3-1.el9em2026-07-16redhat
redhatgolang-github-openstack-k8s-operators-os-diff-0:0.1.1-18.0.20260602234716.a95ae05.el9ost2026-07-15redhat
redhatflightctl-0:1.0.3-1.el9em2026-07-08redhat
redhatskopeo-2:1.14.6-1.el9_42026-07-01redhat
redhatpodman-4:4.9.4-20.el9_4.32026-07-01redhat
redhatbuildah-2:1.33.15-1.el9_4.12026-07-01redhat

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.

Affected Packages

(6 across 5 ecosystems)
Debian:14(2)
PackageVulnerable rangeFixed inDependents
golang-1.251.25.0-1 ... 1.25.8-1 (9 versions)1.25.9-1—
golang-1.261.26.0-1, 1.26.1-1, 1.26~rc2-1, 1.26~rc3-1, 1.26~rc3-21.26.2-1—
Debian:11(1)
PackageVulnerable rangeFixed inDependents
golang-1.151.15.15-1 ... 1.15.9-6 (10 versions)——
Debian:12(1)
PackageVulnerable rangeFixed inDependents
golang-1.191.19.10-1 ... 1.19.9-1 (12 versions)——
Debian:13(1)
PackageVulnerable rangeFixed inDependents
golang-1.241.24.12-1 ... 1.24.9-1 (10 versions)——
Go(1)
PackageVulnerable rangeFixed inDependents
stdlib—1.26.2—

Weakness Classification(2)

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

All Vendor Advisories

(25)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 25× in last 7d / 137× 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 270 total refreshes for this CVE.

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

Related CVEs(same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-32283?
CVE-2026-32283 is a high vulnerability published on April 8, 2026. If one side of the TLS connection sends multiple key update messages post-handshake in a single record, the connection can deadlock, causing uncontrolled consumption of resources. This can lead to a denial of service. This only affects TLS 1.3.
When was CVE-2026-32283 disclosed?
CVE-2026-32283 was first published in the National Vulnerability Database on April 8, 2026, with the most recent update on August 25, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-32283 actively exploited?
CVE-2026-32283 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1% probability of exploitation in the next 30 days, which ranks it in the top 52.9% of all scored CVEs.
What is the CVSS score of CVE-2026-32283?
CVE-2026-32283 has a CVSS v3 base score of 7.5 (NVD).
How do I remediate CVE-2026-32283?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-32283, 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.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2026-32283

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