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(high)
- EG Risk
- —
- EPSS
- 39.5%
- 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 SecurityHigh
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 | libcurl4-openssl-dev (7.68.0-1ubuntu2.25+esm4) @ focal | 2026-07-16 | 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.
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 14× in last 7d / 64× 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.
- 2026-07-22 14:08 UTCEPSS rescore
- 2026-07-21 15:25 UTCEPSS rescore
- 2026-07-21 15:25 UTCEPSS rescore
- 2026-07-20 17:08 UTCEPSS rescore
- 2026-07-19 14:31 UTCEPSS rescore
- 2026-07-19 02:29 UTCEPSS rescore
- 2026-07-18 10:04 UTCEPSS rescore
- 2026-07-17 00:49 UTCVendor advisory
- 2026-07-17 00:49 UTCGHSA enrichment
- 2026-07-16 17:03 UTCEPSS rescore
- 2026-07-16 13:44 UTCVendor advisory
- 2026-07-16 13:44 UTCGHSA enrichment
- 2026-07-16 02:37 UTCVendor advisory
- 2026-07-16 02:37 UTCGHSA enrichment
- 2026-07-15 16:57 UTCEPSS rescore
- 2026-07-15 15:32 UTCVendor advisory
- 2026-07-15 15:32 UTCGHSA enrichment
- 2026-07-15 04:28 UTCVendor advisory
- 2026-07-15 04:28 UTCGHSA enrichment
- 2026-07-15 02:00 UTCEPSS rescore
- 2026-07-14 17:18 UTCVendor advisory
- 2026-07-14 17:18 UTCGHSA enrichment
- 2026-07-14 06:12 UTCVendor advisory
- 2026-07-14 06:12 UTCGHSA enrichment
- 2026-07-13 22:31 UTCEPSS rescore
Show 39 moreShow fewer
- 2026-07-13 19:07 UTCVendor advisory
- 2026-07-13 19:07 UTCGHSA enrichment
- 2026-07-13 08:02 UTCVendor advisory
- 2026-07-13 08:01 UTCGHSA enrichment
- 2026-07-13 06:13 UTCEPSS rescore
- 2026-07-12 20:56 UTCVendor advisory
- 2026-07-12 20:55 UTCGHSA enrichment
- 2026-07-12 09:44 UTCVendor advisory
- 2026-07-12 09:44 UTCGHSA enrichment
- 2026-07-12 05:46 UTCEPSS rescore
- 2026-07-11 22:40 UTCVendor advisory
- 2026-07-11 22:39 UTCGHSA enrichment
- 2026-07-11 11:34 UTCVendor advisory
- 2026-07-11 11:34 UTCGHSA enrichment
- 2026-07-11 08:27 UTCEPSS rescore
- 2026-07-11 00:29 UTCVendor advisory
- 2026-07-11 00:29 UTCGHSA enrichment
- 2026-07-10 13:24 UTCVendor advisory
- 2026-07-10 13:24 UTCGHSA enrichment
- 2026-07-10 02:18 UTCVendor advisory
- 2026-07-10 02:17 UTCGHSA enrichment
- 2026-07-09 19:10 UTCEPSS rescore
- 2026-07-09 15:12 UTCVendor advisory
- 2026-07-09 15:12 UTCGHSA enrichment
- 2026-07-09 04:04 UTCEG score recompute▲ 7.30
- 2026-07-09 04:04 UTCVendor advisory
- 2026-07-09 04:03 UTCGHSA enrichment
- 2026-07-08 15:16 UTCEPSS rescore
- 2026-07-07 13:46 UTCEPSS rescore
- 2026-07-06 17:36 UTCMITRE cvelistV5CVSS v3 → 7.3 · severity → HIGH
- 2026-07-06 16:27 UTCEPSS rescore
- 2026-07-06 06:15 UTCVendor advisory
- 2026-07-06 06:14 UTCGHSA enrichment
- 2026-07-06 02:23 UTCEPSS rescore
- 2026-07-05 02:31 UTCEPSS rescore
- 2026-07-05 02:30 UTCEPSS rescore
- 2026-07-03 08:27 UTCEG score recompute
- 2026-07-03 08:27 UTCVendor advisory
- 2026-07-03 08:26 UTCNVD updatefirst tracked
Related CVEs(same vendor + same CWE)
Same vendor
10 shownredhat
- CVE-2001-0414NVD 0.0EG 9.0EPSS 100%NONE
- CVE-2001-0550NVD 0.0EG 7.3EPSS 99%NONE
- CVE-2001-0731NVD 0.0EG 4.4EPSS 99%NONE
- CVE-2001-0554NVD 0.0EG 1.3EPSS 98%NONE
- CVE-2001-0010NVD 0.0EG 0.3EPSS 98%NONE
- CVE-2001-1174EG 0.0EPSS 90%NONE
- CVE-2001-1175EG 0.0NONE
- CVE-2001-0887EG 0.0NONE
- CVE-2001-0869EG 0.0NONE
- CVE-2001-0872EG 0.0NONE
Same CWE
10 shownCWE-416
- CVE-2010-3962NVD 8.1EG 9.0 KEVEPSS 100%HIGH
- CVE-2010-0806NVD 8.8EG 9.0 KEVEPSS 100%HIGH
- CVE-2010-0249NVD 8.8EG 9.0 KEVEPSS 100%HIGH
- CVE-2009-4324NVD 7.8EG 9.0 KEVEPSS 100%HIGH
- CVE-2010-3328EG 8.8EPSS 98%HIGH
- CVE-2010-1772EG 8.8HIGH
- CVE-2010-1208EG 8.8EPSS 92%HIGH
- CVE-2010-0050EG 8.8EPSS 96%HIGH
- CVE-2010-0378EG 8.8EPSS 93%HIGH
- CVE-2009-3658EG 8.8EPSS 95%HIGH
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
Explore the affected products and dependency analysis for CVE-2026-9080
Is Your Infrastructure Affected by CVE-2026-9080?
EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.