# CVE-2021-40330: git: git_connect_git in connect.c in Git before 2.30.1 allows a repository path to contain a newline character, which may... CVE-2021-40330 is fixed in 13 products on 1 platform, first by git 1:2.17.1-1ubuntu0.9, released August 30, 2021. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2021-40330 - Priority: Routine - CVSS: n/a (Medium) - EPSS: 0.0287 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Aug 30, 2021 ## Description git_connect_git in connect.c in Git before 2.30.1 allows a repository path to contain a newline character, which may result in unexpected cross-protocol requests, as demonstrated by the git://localhost:1234/%0d%0a%0d%0aGET%20/%20HTTP/1.1 substring. ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | git Ubuntu 18.04.6 LTS (bionic) | 1:2.17.1-1ubuntu0.9 | [git 1:2.17.1-1ubuntu0.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-git-1-2.17.1-1ubuntu0.9.md) | Aug 30, 2021 | | Linux | git Ubuntu 20.04 LTS (focal) | 1:2.25.1-1ubuntu3.2 | [git 1:2.25.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-git-1-2.25.1-1ubuntu3.2.md) | Aug 30, 2021 | | Linux | git-all Ubuntu 18.04.6 LTS (bionic) | 1:2.17.1-1ubuntu0.9 | [git-all 1:2.17.1-1ubuntu0.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-git-all-1-2.17.1-1ubuntu0.9.md) | Aug 30, 2021 | | Linux | git-all Ubuntu 20.04 LTS (focal) | 1:2.25.1-1ubuntu3.2 | [git-all 1:2.25.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-git-all-1-2.25.1-1ubuntu3.2.md) | Aug 30, 2021 | | Linux | git-cvs Ubuntu 18.04.6 LTS (bionic) | 1:2.17.1-1ubuntu0.9 | [git-cvs 1:2.17.1-1ubuntu0.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-git-cvs-1-2.17.1-1ubuntu0.9.md) | Aug 30, 2021 | | Linux | git-cvs Ubuntu 20.04 LTS (focal) | 1:2.25.1-1ubuntu3.2 | [git-cvs 1:2.25.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-git-cvs-1-2.25.1-1ubuntu3.2.md) | Aug 30, 2021 | | Linux | git-daemon-run Ubuntu 18.04.6 LTS (bionic) | 1:2.17.1-1ubuntu0.9 | [git-daemon-run 1:2.17.1-1ubuntu0.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-git-daemon-run-1-2.17.1-1ubuntu0.9.md) | Aug 30, 2021 | | Linux | git-daemon-run Ubuntu 20.04 LTS (focal) | 1:2.25.1-1ubuntu3.2 | [git-daemon-run 1:2.25.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-git-daemon-run-1-2.25.1-1ubuntu3.2.md) | Aug 30, 2021 | | Linux | git-daemon-sysvinit Ubuntu 18.04.6 LTS (bionic) | 1:2.17.1-1ubuntu0.9 | [git-daemon-sysvinit 1:2.17.1-1ubuntu0.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-git-daemon-sysvinit-1-2.17.1-1ubuntu0.9.md) | Aug 30, 2021 | | Linux | git-daemon-sysvinit Ubuntu 20.04 LTS (focal) | 1:2.25.1-1ubuntu3.2 | [git-daemon-sysvinit 1:2.25.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-git-daemon-sysvinit-1-2.25.1-1ubuntu3.2.md) | Aug 30, 2021 | | Linux | git-el Ubuntu 18.04.6 LTS (bionic) | 1:2.17.1-1ubuntu0.9 | [git-el 1:2.17.1-1ubuntu0.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-git-el-1-2.17.1-1ubuntu0.9.md) | Aug 30, 2021 | | Linux | git-el Ubuntu 20.04 LTS (focal) | 1:2.25.1-1ubuntu3.2 | [git-el 1:2.25.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-git-el-1-2.25.1-1ubuntu3.2.md) | Aug 30, 2021 | | Linux | git-email Ubuntu 18.04.6 LTS (bionic) | 1:2.17.1-1ubuntu0.9 | [git-email 1:2.17.1-1ubuntu0.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-git-email-1-2.17.1-1ubuntu0.9.md) | Aug 30, 2021 | | Linux | git-email Ubuntu 20.04 LTS (focal) | 1:2.25.1-1ubuntu3.2 | [git-email 1:2.25.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-git-email-1-2.25.1-1ubuntu3.2.md) | Aug 30, 2021 | | Linux | git-gui Ubuntu 18.04.6 LTS (bionic) | 1:2.17.1-1ubuntu0.9 | [git-gui 1:2.17.1-1ubuntu0.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-git-gui-1-2.17.1-1ubuntu0.9.md) | Aug 30, 2021 | | Linux | git-gui Ubuntu 20.04 LTS (focal) | 1:2.25.1-1ubuntu3.2 | [git-gui 1:2.25.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-git-gui-1-2.25.1-1ubuntu3.2.md) | Aug 30, 2021 | | Linux | git-man Ubuntu 18.04.6 LTS (bionic) | 1:2.17.1-1ubuntu0.9 | [git-man 1:2.17.1-1ubuntu0.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-git-man-1-2.17.1-1ubuntu0.9.md) | Aug 30, 2021 | | Linux | git-man Ubuntu 20.04 LTS (focal) | 1:2.25.1-1ubuntu3.2 | [git-man 1:2.25.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-git-man-1-2.25.1-1ubuntu3.2.md) | Aug 30, 2021 | | Linux | git-mediawiki Ubuntu 18.04.6 LTS (bionic) | 1:2.17.1-1ubuntu0.9 | [git-mediawiki 1:2.17.1-1ubuntu0.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-git-mediawiki-1-2.17.1-1ubuntu0.9.md) | Aug 30, 2021 | | Linux | git-mediawiki Ubuntu 20.04 LTS (focal) | 1:2.25.1-1ubuntu3.2 | [git-mediawiki 1:2.25.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-git-mediawiki-1-2.25.1-1ubuntu3.2.md) | Aug 30, 2021 | | Linux | git-svn Ubuntu 18.04.6 LTS (bionic) | 1:2.17.1-1ubuntu0.9 | [git-svn 1:2.17.1-1ubuntu0.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-git-svn-1-2.17.1-1ubuntu0.9.md) | Aug 30, 2021 | | Linux | git-svn Ubuntu 20.04 LTS (focal) | 1:2.25.1-1ubuntu3.2 | [git-svn 1:2.25.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-git-svn-1-2.25.1-1ubuntu3.2.md) | Aug 30, 2021 | | Linux | gitk Ubuntu 18.04.6 LTS (bionic) | 1:2.17.1-1ubuntu0.9 | [gitk 1:2.17.1-1ubuntu0.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gitk-1-2.17.1-1ubuntu0.9.md) | Aug 30, 2021 | | Linux | gitk Ubuntu 20.04 LTS (focal) | 1:2.25.1-1ubuntu3.2 | [gitk 1:2.25.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gitk-1-2.25.1-1ubuntu3.2.md) | Aug 30, 2021 | | Linux | gitweb Ubuntu 18.04.6 LTS (bionic) | 1:2.17.1-1ubuntu0.9 | [gitweb 1:2.17.1-1ubuntu0.9](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gitweb-1-2.17.1-1ubuntu0.9.md) | Aug 30, 2021 | | Linux | gitweb Ubuntu 20.04 LTS (focal) | 1:2.25.1-1ubuntu3.2 | [gitweb 1:2.25.1-1ubuntu3.2](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gitweb-1-2.25.1-1ubuntu3.2.md) | Aug 30, 2021 | --- Data as of 2026-11-09T07:25:28Z UTC. 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