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.
CVE-2026-9080
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.
- High severity, but no confirmed exploitation yet
A fix is available — apply it.
- CVSS v3
- 7.3
- EG Score
- 7.3(medium)
- EG Risk
- 64(Attend)EG Risk 64/100SSVC: Attend
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 computedSeverity73% × 45%Exploitation40% × 40%Automatability100% × 15%Action: Remediate soon — notable exploitation risk. - EPSS PROB
- 0%
- EPSS %ILE
- 22%
- KEV
- Not listed
Published
July 3, 2026
Last Modified
July 7, 2026
Advisory Details (3)
Auto-updated Jul 7, 2026curl - UAF after pause in socket callback - CVE-2026-9080
https://curl.se/docs/CVE-2026-9080.htmlVendor 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.
- CVE-2026-9080Microsoft Security Response Center (MSRC)Low
UAF after pause in socket callback
- GHSA-hf34-v47h-w6m3GitHub Security AdvisoriesHigh
Calling `curl_easy_pause()` within the event-based `CURLMOPT_SOCKETFUNCTION` callback triggers a...
- RHSA-2026:34975Red Hat Product SecurityCritical
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
- RHSA-2026:29017Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update
Patch Availability(3)
| Vendor / Ecosystem | Fixed in / Patch | Released | Source |
|---|---|---|---|
| ubuntu | libcurl4t64 (8.14.1-2ubuntu1.4) @ questing | 2026-08-21 | ubuntu |
| redhat | rust-main-1.96.1-1.hum1 | 2026-07-02 | redhat |
| redhat | curl-main-8.21.0-0.1.hum1 | 2026-06-24 | redhat |
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:v3.24(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| curl | — | 8.21.0-r0 | — |
Debian:13(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| curl | 8.14.1-2 ... 8.21.0~rc3-1+exp1 (74 versions) | — | — |
Debian:14(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| curl | 8.14.1-2 ... 8.21.0~rc1-1+exp1 (59 versions) | 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 43× in last 7d / 169× 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 232 total refreshes for this CVE.
- 2026-08-21 04:26 UTCEG score recompute
- 2026-08-21 04:26 UTCVendor advisory
- 2026-08-21 04:26 UTCGHSA enrichment
- 2026-08-20 22:56 UTCEPSS rescore
- 2026-08-20 15:52 UTCVendor advisory
- 2026-08-20 15:52 UTCGHSA enrichment
- 2026-08-20 03:56 UTCEG score recompute
- 2026-08-20 03:56 UTCVendor advisory
- 2026-08-20 03:56 UTCGHSA enrichment
- 2026-08-19 17:04 UTCEPSS rescore
- 2026-08-19 07:57 UTCVendor advisory
- 2026-08-19 07:57 UTCGHSA enrichment
- 2026-08-18 20:52 UTCEG score recompute
- 2026-08-18 20:52 UTCVendor advisory
- 2026-08-18 20:52 UTCGHSA enrichment
- 2026-08-18 13:49 UTCEPSS rescore
- 2026-08-18 04:27 UTCVendor advisory
- 2026-08-18 04:27 UTCGHSA enrichment
- 2026-08-17 17:13 UTCEG score recompute
- 2026-08-17 17:13 UTCVendor advisory
- 2026-08-17 17:13 UTCGHSA enrichment
- 2026-08-17 13:47 UTCEPSS rescore
- 2026-08-17 06:06 UTCVendor advisory
- 2026-08-17 06:06 UTCGHSA enrichment
- 2026-08-16 18:26 UTCEG score recompute
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- 2026-08-16 18:26 UTCVendor advisory
- 2026-08-16 18:26 UTCGHSA enrichment
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 14:56 UTCEPSS rescore
- 2026-08-16 07:21 UTCEG score recompute
- 2026-08-16 07:21 UTCVendor advisory
- 2026-08-16 07:21 UTCGHSA enrichment
- 2026-08-16 02:15 UTCEPSS rescore
- 2026-08-15 20:17 UTCVendor advisory
- 2026-08-15 20:17 UTCGHSA enrichment
- 2026-08-15 09:12 UTCEG score recompute
- 2026-08-15 09:12 UTCVendor advisory
- 2026-08-15 09:12 UTCGHSA enrichment
- 2026-08-15 01:31 UTCEPSS rescore
- 2026-08-14 22:07 UTCVendor advisory
- 2026-08-14 22:07 UTCGHSA enrichment
- 2026-08-14 10:54 UTCVendor advisory
- 2026-08-14 10:54 UTCGHSA enrichment
- 2026-08-13 23:50 UTCEG score recompute
- 2026-08-13 23:50 UTCVendor advisory
- 2026-08-13 23:50 UTCGHSA enrichment
- 2026-08-13 22:00 UTCEPSS rescore
- 2026-08-13 12:43 UTCVendor advisory
- 2026-08-13 12:43 UTCGHSA enrichment
- 2026-08-13 01:38 UTCVendor advisory
- 2026-08-13 01:38 UTCGHSA enrichment
- 2026-08-12 14:34 UTCEG score recompute
- 2026-08-12 14:34 UTCVendor advisory
- 2026-08-12 14:34 UTCGHSA enrichment
- 2026-08-12 13:51 UTCEPSS rescore
- 2026-08-12 03:26 UTCVendor advisory
- 2026-08-12 03:26 UTCGHSA enrichment
- 2026-08-11 16:21 UTCEG score recompute
- 2026-08-11 16:21 UTCVendor advisory
- 2026-08-11 16:21 UTCGHSA enrichment
- 2026-08-11 13:43 UTCEPSS rescore
- 2026-08-11 05:17 UTCEG score recompute
- 2026-08-11 05:17 UTCVendor advisory
- 2026-08-11 05:17 UTCGHSA enrichment
- 2026-08-11 00:00 UTCEPSS rescore
- 2026-08-10 18:12 UTCVendor advisory
- 2026-08-10 18:12 UTCGHSA enrichment
- 2026-08-10 06:55 UTCVendor advisory
- 2026-08-10 06:55 UTCGHSA enrichment
- 2026-08-09 19:51 UTCEG score recompute
- 2026-08-09 19:51 UTCVendor advisory
- 2026-08-09 19:51 UTCGHSA enrichment
- 2026-08-09 13:47 UTCEPSS rescore
- 2026-08-09 08:46 UTCVendor advisory
- 2026-08-09 08:46 UTCGHSA enrichment
- 2026-08-08 21:42 UTCEG score recompute
- 2026-08-08 21:42 UTCVendor advisory
- 2026-08-08 21:42 UTCGHSA enrichment
- 2026-08-08 16:37 UTCEPSS rescore
- 2026-08-08 10:37 UTCVendor advisory
- 2026-08-08 10:37 UTCGHSA enrichment
- 2026-08-07 23:31 UTCEG score recompute
- 2026-08-07 23:31 UTCVendor advisory
- 2026-08-07 23:31 UTCGHSA enrichment
- 2026-08-07 16:30 UTCEPSS rescore
- 2026-08-07 12:26 UTCVendor advisory
- 2026-08-07 12:26 UTCGHSA enrichment
- 2026-08-07 01:21 UTCVendor advisory
- 2026-08-07 01:21 UTCGHSA enrichment
- 2026-08-06 14:16 UTCEG score recompute
- 2026-08-06 14:16 UTCVendor advisory
- 2026-08-06 14:16 UTCGHSA enrichment
- 2026-08-06 13:47 UTCEPSS rescore
- 2026-08-06 03:11 UTCEG score recompute
- 2026-08-06 03:11 UTCVendor advisory
- 2026-08-06 03:11 UTCGHSA enrichment
- 2026-08-05 19:17 UTCEPSS rescore
- 2026-08-05 19:17 UTCEPSS rescore
- 2026-08-05 16:06 UTCVendor advisory
- 2026-08-05 16:06 UTCGHSA enrichment
Related CVEs(same vendor + same CWE)
Same vendor
10 shownredhat
- CVE-2001-0825EG 10.0HIGH
- CVE-2001-1009EG 10.0EPSS p93HIGH
- CVE-2001-0554EG 10.0EPSS p98HIGH
- CVE-2001-1162EG 10.0EPSS p96HIGH
- CVE-2001-0414EG 10.0EPSS p100HIGH
- CVE-2001-0191EG 10.0EPSS p92HIGH
- CVE-2001-0301EG 10.0EPSS p91HIGH
- CVE-2001-0197EG 10.0EPSS p96HIGH
- CVE-2001-0233EG 10.0EPSS p96HIGH
- CVE-2001-0010EG 10.0EPSS p98HIGH
Frequently asked(5)
What is CVE-2026-9080?
When was CVE-2026-9080 disclosed?
Is CVE-2026-9080 actively exploited?
What is the CVSS score of CVE-2026-9080?
How do I remediate CVE-2026-9080?
Dependency Blast Radius
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