CVE-2025-22871

CRITICALNVD 9.19.1—
EchelonGraph scoreMEDIUM confidence

This critical-severity CVE scores 9.1 under NVD CVSS v3. EPSS exploit probability: 0.3%, top 46% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).

Triggered by: NVD CVSS baseline
Sources: epss, nvd
9.1
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS: 1%CVSS: 9.1Exploit: NoneExposed: 0

A fix is available — apply it.

The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext.

CVSS v3
9.1
EG Score
9.1(medium)
EPSS
51.5%
KEV
Not listed

Published

April 8, 2025

Last Modified

May 12, 2026

Advisory Details (6)

Auto-updated May 12, 2026
No patch confirmed yet.
generic

SSA-783943

https://cert-portal.siemens.com/productcert/html/ssa-783943.html
generic

oss-security - CVE-2025-22871 : Go net/http: request smuggling through invalid chunked data

http://www.openwall.com/lists/oss-security/2025/04/04/4
generic

GO-2025-3563 - Go Packages

https://pkg.go.dev/vuln/GO-2025-3563
generic
https://groups.google.com/g/golang-announce/c/Y2uBTVKjBQk
generic

net/http: reject bare LF in chunked encoding · Issue #71988 · golang/go · GitHub

https://go.dev/issue/71988
generic
https://go.dev/cl/652998

Vendor Advisories for CVE-2025-22871(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/ovirt-csi-driver-rhel8-operator:17742737972026-04-09redhat
redhatmulticluster-engine/hive-rhel9:v2.72025-12-03redhat
redhatskopeo-2:1.11.3-5.rhaos4.14.el82025-11-20redhat
redhatopenshift4/ovirt-csi-driver-rhel8-operator:ose-cluster-ovirt-csi-operator-container-v4.14.0-202511060117.p2.g2fa33aa.assembly.stream.el82025-11-20redhat
redhatopenshift4/ose-multus-admission-controller-rhel9:ose-multus-admission-controller-container-v4.15.0-202510211321.p2.ga2e3c6e.assembly.stream.el92025-11-06redhat
redhatcustom-metrics-autoscaler/custom-metrics-autoscaler-rhel9-operator:2.17.2-17557154592025-09-17redhat
redhatopenshift-0:4.19.0-202509011627.p2.g169f654.assembly.stream.el92025-09-09redhat
redhatose-gcp-gcr-image-credential-provider-0:4.19.0-202508252101.p2.gd8d3aeb.assembly.stream.el92025-09-02redhat
redhatrhceph/snmp-notifier-rhel9:1.2.1-1262025-08-12redhat
redhatopenshift-logging/logging-loki-rhel9:v3.4.32025-08-06redhat
redhatmulticluster-globalhub/multicluster-globalhub-agent-rhel9:1.4.2-17533214852025-08-05redhat
redhatopentelemetry-collector-0:0.127.0-1.el10_02025-08-05redhat
redhatopentelemetry-collector-0:0.127.0-1.el9_62025-08-05redhat
redhatopenshift-sandboxed-containers/osc-rhel9-operator:1.10-17538856682025-07-31redhat
redhatrhoso-operators/sg-core-rhel9:1.0.12-52025-07-31redhat
redhatslirp4netns-0:1.1.8-3.rhaos4.18.el82025-07-30redhat
redhatkata-containers-0:3.17.0-2.rhaos4.16.el92025-07-30redhat
redhatrhceph/grafana-rhel9:11.6.2-42025-07-24redhat
redhatose-azure-acr-image-credential-provider-0:4.15.0-202507041136.p0.g0d799a2.assembly.stream.el82025-07-23redhat
redhatadvanced-cluster-security/rhacs-scanner-v4-rhel8:4.7.5-62025-07-21redhat
redhatoadp/oadp-velero-rhel9:1.4.5-202025-07-18redhat
redhatskopeo-2:1.14.5-4.rhaos4.16.el82025-07-18redhat
redhatose-gcp-gcr-image-credential-provider-0:4.18.0-202507011252.p0.g6ea2356.assembly.stream.el82025-07-18redhat
redhatopenshift4/ovirt-csi-driver-rhel9-operator:v4.16.0-202507081835.p0.gac852f3.assembly.stream.el92025-07-17redhat
redhatopenshift4/ovirt-csi-driver-rhel9-operator:v4.18.0-202507081733.p0.g0feae25.assembly.stream.el92025-07-17redhat
redhatcri-tools-0:1.25.0-6.el82025-07-10redhat
redhatskopeo-2:1.16.1-2.rhaos4.17.el82025-07-09redhat
redhatopenshift4/ovirt-csi-driver-rhel9-operator:v4.17.0-202507011904.p0.g0feae25.assembly.stream.el92025-07-09redhat
redhatkata-containers-0:3.13.0-2.rhaos4.20.el92025-07-08redhat
redhatcryostat/jfr-datasource-rhel9:4.0.1-32025-07-03redhat

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

(2 across 2 ecosystems)
Go(1)
PackageVulnerable rangeFixed inDependents
stdlib—1.24.2—
Packagist(1)
PackageVulnerable rangeFixed inDependents
spiral/roadrunnerv0.9.0 ... v2024.3.5 (254 versions)2025.1.0—

Additional Vendor Advisories

(12)

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 10× in last 7d / 45× 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 107 total refreshes for this CVE.

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

Frequently asked(5)

What is CVE-2025-22871?
CVE-2025-22871 is a critical vulnerability published on April 8, 2025. The net/http package improperly accepts a bare LF as a line terminator in chunked data chunk-size lines. This can permit request smuggling if a net/http server is used in conjunction with a server that incorrectly accepts a bare LF as part of a chunk-ext.
When was CVE-2025-22871 disclosed?
CVE-2025-22871 was first published in the National Vulnerability Database on April 8, 2025, with the most recent update on May 12, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2025-22871 actively exploited?
CVE-2025-22871 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 51.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
What is the CVSS score of CVE-2025-22871?
CVE-2025-22871 has a CVSS v3 base score of 9.1 (NVD).
How do I remediate CVE-2025-22871?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2025-22871, 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-2025-22871

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