# CVE-2021-22946: curl: The curl packages provide the libcurl library and the curl utility for downloading files from servers using various p...

CVE-2021-22946 is fixed in 7 products on 1 platform, first by curl 7.58.0-2ubuntu3.15, released September 14, 2021. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-22946
- Priority: High
- CVSS: 7.5 (Moderate)
- EPSS: 0.0454
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 14, 2021

## Description

The curl packages provide the libcurl library and the curl utility for downloading files from servers using various protocols, including HTTP, FTP, and LDAP.  Security Fix(es):  * curl: Requirement to use TLS not properly enforced for IMAP, POP3, and FTP protocols (CVE-2021-22946)  * curl: Server responses received before STARTTLS processed after TLS handshake (CVE-2021-22947)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | curl RHEL 8 | 0:7.61.1-18.el8_4.2 | [RHSA-2021:4059](https://patchblox.com/security/data/fix/linux/rhsa-2021-4059.md) | Nov 2, 2021 |
| Linux | curl Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.15 | [curl 7.58.0-2ubuntu3.15](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-curl-7.58.0-2ubuntu3.15.md) | Sep 14, 2021 |
| Linux | curl Ubuntu 20.04 LTS (focal) | 7.68.0-1ubuntu2.7 | [curl 7.68.0-1ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-focal-curl-7.68.0-1ubuntu2.7.md) | Sep 14, 2021 |
| Linux | curl Ubuntu 22.04.1 LTS (jammy) | 7.74.0-1.3ubuntu2 | [curl 7.74.0-1.3ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-curl-7.74.0-1.3ubuntu2.md) | Sep 14, 2021 |
| Linux | curl ol 8 | 0:7.61.1-18.el8_4.2 | [ELSA-2021-4059](https://patchblox.com/security/data/fix/linux/elsa-2021-4059.md) | Nov 2, 2021 |
| Linux | libcurl RHEL 8 | 0:7.61.1-18.el8_4.2 | [RHSA-2021:4059](https://patchblox.com/security/data/fix/linux/rhsa-2021-4059.md) | Nov 2, 2021 |
| Linux | libcurl ol 8 | 0:7.61.1-18.el8_4.2 | [ELSA-2021-4059](https://patchblox.com/security/data/fix/linux/elsa-2021-4059.md) | Nov 2, 2021 |
| Linux | libcurl-devel RHEL 8 | 0:7.61.1-18.el8_4.2 | [RHSA-2021:4059](https://patchblox.com/security/data/fix/linux/rhsa-2021-4059.md) | Nov 2, 2021 |
| Linux | libcurl-devel ol 8 | 0:7.61.1-18.el8_4.2 | [ELSA-2021-4059](https://patchblox.com/security/data/fix/linux/elsa-2021-4059.md) | Nov 2, 2021 |
| Linux | libcurl-minimal RHEL 8 | 0:7.61.1-18.el8_4.2 | [RHSA-2021:4059](https://patchblox.com/security/data/fix/linux/rhsa-2021-4059.md) | Nov 2, 2021 |
| Linux | libcurl-minimal ol 8 | 0:7.61.1-18.el8_4.2 | [ELSA-2021-4059](https://patchblox.com/security/data/fix/linux/elsa-2021-4059.md) | Nov 2, 2021 |
| Linux | libcurl3-gnutls Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.15 | [libcurl3-gnutls 7.58.0-2ubuntu3.15](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcurl3-gnutls-7.58.0-2ubuntu3.15.md) | Sep 14, 2021 |
| Linux | libcurl3-gnutls Ubuntu 20.04 LTS (focal) | 7.68.0-1ubuntu2.7 | [libcurl3-gnutls 7.68.0-1ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libcurl3-gnutls-7.68.0-1ubuntu2.7.md) | Sep 14, 2021 |
| Linux | libcurl3-gnutls Ubuntu 22.04.1 LTS (jammy) | 7.74.0-1.3ubuntu2 | [libcurl3-gnutls 7.74.0-1.3ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcurl3-gnutls-7.74.0-1.3ubuntu2.md) | Sep 14, 2021 |
| Linux | libcurl3-nss Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.15 | [libcurl3-nss 7.58.0-2ubuntu3.15](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcurl3-nss-7.58.0-2ubuntu3.15.md) | Sep 14, 2021 |
| Linux | libcurl3-nss Ubuntu 20.04 LTS (focal) | 7.68.0-1ubuntu2.7 | [libcurl3-nss 7.68.0-1ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libcurl3-nss-7.68.0-1ubuntu2.7.md) | Sep 14, 2021 |
| Linux | libcurl3-nss Ubuntu 22.04.1 LTS (jammy) | 7.74.0-1.3ubuntu2 | [libcurl3-nss 7.74.0-1.3ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcurl3-nss-7.74.0-1.3ubuntu2.md) | Sep 14, 2021 |
| Linux | libcurl4 Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.15 | [libcurl4 7.58.0-2ubuntu3.15](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcurl4-7.58.0-2ubuntu3.15.md) | Sep 14, 2021 |
| Linux | libcurl4 Ubuntu 20.04 LTS (focal) | 7.68.0-1ubuntu2.7 | [libcurl4 7.68.0-1ubuntu2.7](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libcurl4-7.68.0-1ubuntu2.7.md) | Sep 14, 2021 |
| Linux | libcurl4 Ubuntu 22.04.1 LTS (jammy) | 7.74.0-1.3ubuntu2 | [libcurl4 7.74.0-1.3ubuntu2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcurl4-7.74.0-1.3ubuntu2.md) | Sep 14, 2021 |

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