# CVE-2023-23916: curl: The curl packages provide the libcurl library and the curl utility for downloading files from servers using various p... CVE-2023-23916 is fixed in 13 products on 1 platform, first by curl 7.58.0-2ubuntu3.23, released February 14, 2023. It is not reported as exploited. Patch Radar priority: High. - Web page: https://patchblox.com/security/cve/CVE-2023-23916 - Priority: High - CVSS: 7.5 (Moderate) - EPSS: 0.0174 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Feb 14, 2023 ## 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: HTTP multi-header compression denial of service (CVE-2023-23916) 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 Debian 11.6 (bullseye) | 7.74.0-1.3+deb11u7 | [DSA-5365-1](https://patchblox.com/security/data/fix/linux/dsa-5365-1.md) | Feb 27, 2023 | | Linux | curl Debian 12.15 (bookworm) | 7.88.1-1 | [DEBIAN-CVE-2023-23916](https://patchblox.com/security/data/fix/linux/debian-cve-2023-23916.md) | Feb 23, 2023 | | Linux | curl Debian 13.5 (trixie) | 7.88.1-1 | [DEBIAN-CVE-2023-23916](https://patchblox.com/security/data/fix/linux/debian-cve-2023-23916.md) | Feb 23, 2023 | | Linux | curl Debian 14 | 7.88.1-1 | [DEBIAN-CVE-2023-23916](https://patchblox.com/security/data/fix/linux/debian-cve-2023-23916.md) | Feb 23, 2023 | | Linux | curl RHEL 8 | 0:7.61.1-25.el8_7.3 | [RHSA-2023:1140](https://patchblox.com/security/data/fix/linux/rhsa-2023-1140.md) | Mar 7, 2023 | | Linux | curl RHEL 9 | 0:7.76.1-19.el9_1.2 | [RHSA-2023:1701](https://patchblox.com/security/data/fix/linux/rhsa-2023-1701.md) | Apr 11, 2023 | | Linux | curl Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.23 | [curl 7.58.0-2ubuntu3.23](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-curl-7.58.0-2ubuntu3.23.md) | Feb 14, 2023 | | Linux | curl Ubuntu 20.04 LTS (focal) | 7.68.0-1ubuntu2.16 | [curl 7.68.0-1ubuntu2.16](https://patchblox.com/security/data/fix/linux/ubuntu-focal-curl-7.68.0-1ubuntu2.16.md) | Feb 14, 2023 | | Linux | curl Ubuntu 22.04.1 LTS (jammy) | 7.81.0-1ubuntu1.8 | [curl 7.81.0-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-curl-7.81.0-1ubuntu1.8.md) | Feb 14, 2023 | | Linux | curl almalinux 8 | 7.61.1-25.el8_7.3 | [ALSA-2023:1140](https://patchblox.com/security/data/fix/linux/alsa-2023-1140.md) | Mar 7, 2023 | | Linux | curl almalinux 9 | 7.76.1-19.el9_1.2 | [ALSA-2023:1701](https://patchblox.com/security/data/fix/linux/alsa-2023-1701.md) | Apr 11, 2023 | | Linux | curl amzn 2023 | 7.88.0-1.amzn2023.0.1 | [ALAS2023-2023-114](https://patchblox.com/security/data/fix/linux/alas2023-2023-114.md) | Feb 21, 2023 | | Linux | curl ol 8 | 0:7.61.1-25.el8_7.3 | [ELSA-2023-1140](https://patchblox.com/security/data/fix/linux/elsa-2023-1140.md) | Mar 7, 2023 | | Linux | curl ol 9 | 0:7.76.1-19.el9_1.2 | [ELSA-2023-1701](https://patchblox.com/security/data/fix/linux/elsa-2023-1701.md) | Apr 11, 2023 | | Linux | curl rocky 8 | 0:7.61.1-25.el8_7.3 | [RLSA-2023:1140](https://patchblox.com/security/data/fix/linux/rlsa-2023-1140.md) | Mar 8, 2023 | | Linux | curl-debuginfo amzn 2023 | 7.88.0-1.amzn2023.0.1 | [ALAS2023-2023-114](https://patchblox.com/security/data/fix/linux/alas2023-2023-114.md) | Feb 21, 2023 | | Linux | curl-debugsource amzn 2023 | 7.88.0-1.amzn2023.0.1 | [ALAS2023-2023-114](https://patchblox.com/security/data/fix/linux/alas2023-2023-114.md) | Feb 21, 2023 | | Linux | curl-minimal RHEL 9 | 0:7.76.1-19.el9_1.2 | [RHSA-2023:1701](https://patchblox.com/security/data/fix/linux/rhsa-2023-1701.md) | Apr 11, 2023 | | Linux | curl-minimal almalinux 9 | 7.76.1-19.el9_1.2 | [ALSA-2023:1701](https://patchblox.com/security/data/fix/linux/alsa-2023-1701.md) | Apr 11, 2023 | | Linux | curl-minimal amzn 2023 | 7.88.0-1.amzn2023.0.1 | [ALAS2023-2023-114](https://patchblox.com/security/data/fix/linux/alas2023-2023-114.md) | Feb 21, 2023 | | Linux | curl-minimal ol 9 | 0:7.76.1-19.el9_1.2 | [ELSA-2023-1701](https://patchblox.com/security/data/fix/linux/elsa-2023-1701.md) | Apr 11, 2023 | | Linux | curl-minimal-debuginfo amzn 2023 | 7.88.0-1.amzn2023.0.1 | [ALAS2023-2023-114](https://patchblox.com/security/data/fix/linux/alas2023-2023-114.md) | Feb 21, 2023 | | Linux | libcurl RHEL 8 | 0:7.61.1-25.el8_7.3 | [RHSA-2023:1140](https://patchblox.com/security/data/fix/linux/rhsa-2023-1140.md) | Mar 7, 2023 | | Linux | libcurl RHEL 9 | 0:7.76.1-19.el9_1.2 | [RHSA-2023:1701](https://patchblox.com/security/data/fix/linux/rhsa-2023-1701.md) | Apr 11, 2023 | | Linux | libcurl almalinux 8 | 7.61.1-25.el8_7.3 | [ALSA-2023:1140](https://patchblox.com/security/data/fix/linux/alsa-2023-1140.md) | Mar 7, 2023 | | Linux | libcurl almalinux 9 | 7.76.1-19.el9_1.2 | [ALSA-2023:1701](https://patchblox.com/security/data/fix/linux/alsa-2023-1701.md) | Apr 11, 2023 | | Linux | libcurl amzn 2023 | 7.88.0-1.amzn2023.0.1 | [ALAS2023-2023-114](https://patchblox.com/security/data/fix/linux/alas2023-2023-114.md) | Feb 21, 2023 | | Linux | libcurl ol 8 | 0:7.61.1-25.el8_7.3 | [ELSA-2023-1140](https://patchblox.com/security/data/fix/linux/elsa-2023-1140.md) | Mar 7, 2023 | | Linux | libcurl ol 9 | 0:7.76.1-19.el9_1.2 | [ELSA-2023-1701](https://patchblox.com/security/data/fix/linux/elsa-2023-1701.md) | Apr 11, 2023 | | Linux | libcurl-debuginfo amzn 2023 | 7.88.0-1.amzn2023.0.1 | [ALAS2023-2023-114](https://patchblox.com/security/data/fix/linux/alas2023-2023-114.md) | Feb 21, 2023 | | Linux | libcurl-devel RHEL 8 | 0:7.61.1-25.el8_7.3 | [RHSA-2023:1140](https://patchblox.com/security/data/fix/linux/rhsa-2023-1140.md) | Mar 7, 2023 | | Linux | libcurl-devel RHEL 9 | 0:7.76.1-19.el9_1.2 | [RHSA-2023:1701](https://patchblox.com/security/data/fix/linux/rhsa-2023-1701.md) | Apr 11, 2023 | | Linux | libcurl-devel almalinux 8 | 7.61.1-25.el8_7.3 | [ALSA-2023:1140](https://patchblox.com/security/data/fix/linux/alsa-2023-1140.md) | Mar 7, 2023 | | Linux | libcurl-devel almalinux 9 | 7.76.1-19.el9_1.2 | [ALSA-2023:1701](https://patchblox.com/security/data/fix/linux/alsa-2023-1701.md) | Apr 11, 2023 | | Linux | libcurl-devel amzn 2023 | 7.88.0-1.amzn2023.0.1 | [ALAS2023-2023-114](https://patchblox.com/security/data/fix/linux/alas2023-2023-114.md) | Feb 21, 2023 | | Linux | libcurl-devel ol 8 | 0:7.61.1-25.el8_7.3 | [ELSA-2023-1140](https://patchblox.com/security/data/fix/linux/elsa-2023-1140.md) | Mar 7, 2023 | | Linux | libcurl-devel ol 9 | 0:7.76.1-19.el9_1.2 | [ELSA-2023-1701](https://patchblox.com/security/data/fix/linux/elsa-2023-1701.md) | Apr 11, 2023 | | Linux | libcurl-minimal RHEL 8 | 0:7.61.1-25.el8_7.3 | [RHSA-2023:1140](https://patchblox.com/security/data/fix/linux/rhsa-2023-1140.md) | Mar 7, 2023 | | Linux | libcurl-minimal RHEL 9 | 0:7.76.1-19.el9_1.2 | [RHSA-2023:1701](https://patchblox.com/security/data/fix/linux/rhsa-2023-1701.md) | Apr 11, 2023 | | Linux | libcurl-minimal almalinux 8 | 7.61.1-25.el8_7.3 | [ALSA-2023:1140](https://patchblox.com/security/data/fix/linux/alsa-2023-1140.md) | Mar 7, 2023 | | Linux | libcurl-minimal almalinux 9 | 7.76.1-19.el9_1.2 | [ALSA-2023:1701](https://patchblox.com/security/data/fix/linux/alsa-2023-1701.md) | Apr 11, 2023 | | Linux | libcurl-minimal amzn 2023 | 7.88.0-1.amzn2023.0.1 | [ALAS2023-2023-114](https://patchblox.com/security/data/fix/linux/alas2023-2023-114.md) | Feb 21, 2023 | | Linux | libcurl-minimal ol 8 | 0:7.61.1-25.el8_7.3 | [ELSA-2023-1140](https://patchblox.com/security/data/fix/linux/elsa-2023-1140.md) | Mar 7, 2023 | | Linux | libcurl-minimal ol 9 | 0:7.76.1-19.el9_1.2 | [ELSA-2023-1701](https://patchblox.com/security/data/fix/linux/elsa-2023-1701.md) | Apr 11, 2023 | | Linux | libcurl-minimal-debuginfo amzn 2023 | 7.88.0-1.amzn2023.0.1 | [ALAS2023-2023-114](https://patchblox.com/security/data/fix/linux/alas2023-2023-114.md) | Feb 21, 2023 | | Linux | libcurl3-gnutls Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.23 | [libcurl3-gnutls 7.58.0-2ubuntu3.23](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcurl3-gnutls-7.58.0-2ubuntu3.23.md) | Feb 14, 2023 | | Linux | libcurl3-gnutls Ubuntu 20.04 LTS (focal) | 7.68.0-1ubuntu2.16 | [libcurl3-gnutls 7.68.0-1ubuntu2.16](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libcurl3-gnutls-7.68.0-1ubuntu2.16.md) | Feb 14, 2023 | | Linux | libcurl3-gnutls Ubuntu 22.04.1 LTS (jammy) | 7.81.0-1ubuntu1.8 | [libcurl3-gnutls 7.81.0-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcurl3-gnutls-7.81.0-1ubuntu1.8.md) | Feb 14, 2023 | | Linux | libcurl3-nss Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.23 | [libcurl3-nss 7.58.0-2ubuntu3.23](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcurl3-nss-7.58.0-2ubuntu3.23.md) | Feb 14, 2023 | | Linux | libcurl3-nss Ubuntu 20.04 LTS (focal) | 7.68.0-1ubuntu2.16 | [libcurl3-nss 7.68.0-1ubuntu2.16](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libcurl3-nss-7.68.0-1ubuntu2.16.md) | Feb 14, 2023 | | Linux | libcurl3-nss Ubuntu 22.04.1 LTS (jammy) | 7.81.0-1ubuntu1.8 | [libcurl3-nss 7.81.0-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcurl3-nss-7.81.0-1ubuntu1.8.md) | Feb 14, 2023 | | Linux | libcurl4 Ubuntu 18.04.6 LTS (bionic) | 7.58.0-2ubuntu3.23 | [libcurl4 7.58.0-2ubuntu3.23](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libcurl4-7.58.0-2ubuntu3.23.md) | Feb 14, 2023 | | Linux | libcurl4 Ubuntu 20.04 LTS (focal) | 7.68.0-1ubuntu2.16 | [libcurl4 7.68.0-1ubuntu2.16](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libcurl4-7.68.0-1ubuntu2.16.md) | Feb 14, 2023 | | Linux | libcurl4 Ubuntu 22.04.1 LTS (jammy) | 7.81.0-1ubuntu1.8 | [libcurl4 7.81.0-1ubuntu1.8](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libcurl4-7.81.0-1ubuntu1.8.md) | Feb 14, 2023 | --- Data as of 2026-11-08T00:53:09Z UTC. 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