# CVE-2019-5436: curl: The curl packages provide the libcurl library and the curl utility for downloading files from servers using various p...

CVE-2019-5436 is fixed in 7 products on 1 platform, first by curl 7.58.0-2ubuntu3.7, released May 21, 2019. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2019-5436
- Priority: High
- CVSS: 7.8 (Moderate)
- EPSS: 0.4974
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 21, 2019

## 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: double free due to subsequent call of realloc() (CVE-2019-5481)  * curl: heap buffer overflow in function tftp_receive_packet() (CVE-2019-5482)  * curl: TFTP receive heap buffer overflow in tftp_receive_packet() function (CVE-2019-5436)  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.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.2 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | curl RHEL 8 | 0:7.61.1-12.el8 | [RHSA-2020:1792](https://patchblox.com/security/data/fix/linux/rhsa-2020-1792.md) | Apr 28, 2020 |
| Linux | curl Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.7 | [curl 7.58.0-2ubuntu3.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-curl-7.58.0-2ubuntu3.7.md) | May 21, 2019 |
| Linux | curl ol 8 | 0:7.61.1-12.el8 | [ELSA-2020-1792](https://patchblox.com/security/data/fix/linux/elsa-2020-1792.md) | May 5, 2020 |
| Linux | libcurl RHEL 8 | 0:7.61.1-12.el8 | [RHSA-2020:1792](https://patchblox.com/security/data/fix/linux/rhsa-2020-1792.md) | Apr 28, 2020 |
| Linux | libcurl ol 8 | 0:7.61.1-12.el8 | [ELSA-2020-1792](https://patchblox.com/security/data/fix/linux/elsa-2020-1792.md) | May 5, 2020 |
| Linux | libcurl-devel RHEL 8 | 0:7.61.1-12.el8 | [RHSA-2020:1792](https://patchblox.com/security/data/fix/linux/rhsa-2020-1792.md) | Apr 28, 2020 |
| Linux | libcurl-devel ol 8 | 0:7.61.1-12.el8 | [ELSA-2020-1792](https://patchblox.com/security/data/fix/linux/elsa-2020-1792.md) | May 5, 2020 |
| Linux | libcurl-minimal RHEL 8 | 0:7.61.1-12.el8 | [RHSA-2020:1792](https://patchblox.com/security/data/fix/linux/rhsa-2020-1792.md) | Apr 28, 2020 |
| Linux | libcurl-minimal ol 8 | 0:7.61.1-12.el8 | [ELSA-2020-1792](https://patchblox.com/security/data/fix/linux/elsa-2020-1792.md) | May 5, 2020 |
| Linux | libcurl3-gnutls Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.7 | [libcurl3-gnutls 7.58.0-2ubuntu3.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcurl3-gnutls-7.58.0-2ubuntu3.7.md) | May 21, 2019 |
| Linux | libcurl3-nss Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.7 | [libcurl3-nss 7.58.0-2ubuntu3.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcurl3-nss-7.58.0-2ubuntu3.7.md) | May 21, 2019 |
| Linux | libcurl4 Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.7 | [libcurl4 7.58.0-2ubuntu3.7](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcurl4-7.58.0-2ubuntu3.7.md) | May 21, 2019 |

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