# libcurl4 7.81.0-1ubuntu1.30: libcurl4 7.81.0-1ubuntu1.30 for Ubuntu 22.04.1 LTS (jammy)

libcurl4 7.81.0-1ubuntu1.30, released October 21, 2026, fixes 8 CVEs in libcurl4. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/linux/ubuntu-jammy-libcurl4-7.81.0-1ubuntu1.30
- Platform: Linux
- Released: Oct 21, 2026
- Priority: Urgent (Closes CVE-2026-92388, rated Critical)
- CVEs: 8, exploited: 0, on CISA KEV: 0

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [libcurl4](https://patchblox.com/security/data/product/linux/libcurl4.md) | Ubuntu 22.04.1 LTS (jammy) | 7.81.0-1ubuntu1.30 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-92388](https://patchblox.com/security/data/cve/CVE-2026-92388.md) | Urgent | FTP wildcard write callback mixup | 9.1 | 0.0070 |  |
| [CVE-2026-86409](https://patchblox.com/security/data/cve/CVE-2026-86409.md) | High | stale SigV4 headers sent unintended | 8.1 | 0.0110 |  |
| [CVE-2026-87864](https://patchblox.com/security/data/cve/CVE-2026-87864.md) | High | IMAP APPEND plus CRLF conversion command injection | 8.2 | 0.0083 |  |
| [CVE-2026-86414](https://patchblox.com/security/data/cve/CVE-2026-86414.md) | High | leaking host credentials to HTTP proxy | 7.5 | 0.0068 |  |
| [CVE-2026-92391](https://patchblox.com/security/data/cve/CVE-2026-92391.md) | Routine | curl_mime_free stack overflow by recursion | 5.5 | 0.0117 |  |
| [CVE-2026-87862](https://patchblox.com/security/data/cve/CVE-2026-87862.md) | Routine | HSTS cache import drops longer-lived child | 4.8 | 0.0100 |  |
| [CVE-2026-92389](https://patchblox.com/security/data/cve/CVE-2026-92389.md) | Routine | TFTP direction confusion | 5.9 | 0.0072 |  |
| [CVE-2026-94266](https://patchblox.com/security/data/cve/CVE-2026-94266.md) | Routine | password leak in CURLINFO_EFFECTIVE_URL | 5.9 | 0.0056 |  |

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Data as of 2026-11-12T19:57:06Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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