CVE-2026-8925

CRITICALPre-NVD 9.89.8—
EchelonGraph scoreMEDIUM confidence

Score 9.8 from GitHub Security Advisory (severity: CRITICAL) published 2026-07-03. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 9.8; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Elevated
9.8EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 1.1%CVSS: 9.8Exploit: Elevated riskExposed services: Not assessed

A fix is available — apply it.

The curl logic that works with SASL authentication could end up cleaning up the GSASL context *twice* without clearing the pointer in between, making it free() the same pointer twice.

CVSS v3
9.8
EG Score
9.8CRITICALmedium confidence
EG Risk
75
EG Risk 75/100

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
Severity98% × 45%
Exploitation40% × 40%
Automatability100% × 15%
EPSS PROB
1.1%
EPSS %ILE
63rd
KEV
Not listed

Published

July 3, 2026

Last Modified

September 15, 2026

Advisory Details (3)

Auto-updated Sep 29, 2026
Patch available.
generic

HackerOne

https://hackerone.com/reports/3735193
generic
https://curl.se/docs/CVE-2026-8925.json
generic

curl - SASL double-free - CVE-2026-8925

https://curl.se/docs/CVE-2026-8925.html

Vendor Advisories for CVE-2026-8925(4)

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

Patch Availability(3)

Vendor / EcosystemFix (by version range) / PatchReleasedSource
ubuntulibcurl4t64 (8.18.0-1ubuntu2.2) @ resolute2026-09-23ubuntu
redhatrust-main-1.96.1-1.hum12026-07-02redhat
redhatcurl-main-8.21.0-0.1.hum12026-06-24redhat

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

(3 across 3 ecosystems)
Alpine:v3.23(1)
PackageVulnerable rangeFix by version rangeDependents
curl—
  • 8.15.0 up to 8.22.0-r0: fixed in 8.22.0-r0
—
Alpine:v3.24(1)
PackageVulnerable rangeFix by version rangeDependents
curl—
  • 8.15.0 up to 8.21.0-r0: fixed in 8.21.0-r0
—
Debian:14(1)
PackageVulnerable rangeFix by version rangeDependents
curl8.14.1-2 ... 8.21.0~rc1-1+exp1 (59 versions)
  • every version up to 8.21.0~rc2-1: fixed in 8.21.0~rc2-1
—

Weakness Classification(1)

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

Additional Vendor Advisories

(1)

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 3× in last 7d / 65× 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 629 total refreshes for this CVE.

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

Related CVEs(same product + same vendor + same CWE)

Frequently asked(5)

What is CVE-2026-8925?
CVE-2026-8925 is a critical vulnerability published on July 3, 2026. The curl logic that works with SASL authentication could end up cleaning up the GSASL context twice without clearing the pointer in between, making it free() the same pointer twice.
When was CVE-2026-8925 disclosed?
CVE-2026-8925 was first published on July 3, 2026, with the most recent update on September 15, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-8925 actively exploited?
CVE-2026-8925 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 1.1% probability of exploitation in the next 30 days (63rd percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-8925?
CVE-2026-8925 has a CVSS v3.1 base score of 9.8 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-8925?
A fix for CVE-2026-8925 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-8925 are linked in the Vendor Advisories panel on this page.

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