CVE-2026-9080

HIGHPre-NVD 7.37.3—
EchelonGraph scoreMEDIUM confidence

Score 7.3 from GitHub Security Advisory (severity: HIGH) published 2026-07-03. CISA-ADP (Vulnrichment) CVSS v3.1 baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: cisa-adp, epss, ghsa
Elevated
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0.5%CVSS: 7.3Exploit: Elevated riskExposed services: Not assessed

A fix is available — apply it.

Calling curl_easy_pause() within the event-based CURLMOPT_SOCKETFUNCTION callback triggers a use-after-free vulnerability, where libcurl attempts to store a flag using a dangling struct pointer immediately after that pointer's memory has been freed.

CVSS v3
7.3
EG Score
7.3HIGHmedium confidence
EG Risk
64
EG Risk 64/100

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
Severity73% × 45%
Exploitation40% × 40%
Automatability100% × 15%
EPSS PROB
0.5%
EPSS %ILE
40th
KEV
Not listed

Published

July 3, 2026

Last Modified

September 15, 2026

Advisory Details (3)

Auto-updated Jul 7, 2026
Patch available.
generic

HackerOne

https://hackerone.com/reports/3749204
generic
https://curl.se/docs/CVE-2026-9080.json
generic

curl - UAF after pause in socket callback - CVE-2026-9080

https://curl.se/docs/CVE-2026-9080.html

Vendor Advisories for CVE-2026-9080(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 (8.5.0-2ubuntu10.10) @ noble2026-09-23ubuntu
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

(4 across 4 ecosystems)
Alpine:v3.23(1)
PackageVulnerable rangeFix by version rangeDependents
curl—
  • 8.13.0 up to 8.22.0-r0: fixed in 8.22.0-r0
—
Alpine:v3.24(1)
PackageVulnerable rangeFix by version rangeDependents
curl—
  • 8.13.0 up to 8.21.0-r0: fixed in 8.21.0-r0
—
Debian:13(1)
PackageVulnerable rangeFix by version rangeDependents
curl8.14.1-2 ... 8.23.0~rc2-1+exp1 (84 versions)
  • every version on: no fix on record
—
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 5× in last 7d / 53× 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 329 total refreshes for this CVE.

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

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

Frequently asked(5)

What is CVE-2026-9080?
CVE-2026-9080 is a high vulnerability published on July 3, 2026. Calling curleasypause() within the event-based CURLMOPT_SOCKETFUNCTION callback triggers a use-after-free vulnerability, where libcurl attempts to store a flag using a dangling struct pointer immediately after that pointer's memory has been freed.
When was CVE-2026-9080 disclosed?
CVE-2026-9080 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-2026-9080 actively exploited?
CVE-2026-9080 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0.5% probability of exploitation in the next 30 days (40th percentile of EPSS-scored CVEs).
What is the CVSS score of CVE-2026-9080?
CVE-2026-9080 has a CVSS v3.1 base score of 7.3 (CISA-ADP / Vulnrichment enrichment; NVD's own analysis pending).
How do I remediate CVE-2026-9080?
A fix for CVE-2026-9080 is available: update to the fixed version the vendor names in its advisory. The vendor advisories EchelonGraph has for CVE-2026-9080 are linked in the Vendor Advisories panel on this page.

Dependency Blast Radius

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