# Git security vulnerabilities announced

DevFeed: [Git security vulnerabilities announced](<https://devfeed.tech/articles/git-security-vulnerabilities-announced-129389.md>)

Original publisher: [Read original article](<https://github.blog/open-source/git/git-security-vulnerabilities-announced-7/>)

Author: Elijah Newren

Published: 2026-11-10T18:00:00Z

Content type: release

Language: en

Sources: [GitHub Blog](<https://devfeed.tech/sources/github-engineering.md>)

Topics: [Git](<https://devfeed.tech/topics/git.md>), [Vulnerabilities](<https://devfeed.tech/topics/vulnerabilities.md>), [Memory Safety](<https://devfeed.tech/topics/memory-safety.md>), [cve remediation](<https://devfeed.tech/topics/cve-remediation.md>), [patches](<https://devfeed.tech/topics/patches.md>), [Security](<https://devfeed.tech/topics/security.md>), [GitHub](<https://devfeed.tech/topics/github.md>)

Tags: [accessibility](<https://devfeed.tech/tags/accessibility.md>), [actions](<https://devfeed.tech/tags/actions.md>), [also](<https://devfeed.tech/tags/also.md>), [app](<https://devfeed.tech/tags/app.md>), [application](<https://devfeed.tech/tags/application.md>), [applications](<https://devfeed.tech/tags/applications.md>), [applying](<https://devfeed.tech/tags/applying.md>), [arithmetic](<https://devfeed.tech/tags/arithmetic.md>), [array](<https://devfeed.tech/tags/array.md>), [automation](<https://devfeed.tech/tags/automation.md>), [git](<https://devfeed.tech/tags/git.md>), [github](<https://devfeed.tech/tags/github.md>), [handling](<https://devfeed.tech/tags/handling.md>), [open-source](<https://devfeed.tech/tags/open-source.md>), [patches](<https://devfeed.tech/tags/patches.md>), [reference](<https://devfeed.tech/tags/reference.md>), [security](<https://devfeed.tech/tags/security.md>), [security-vulnerabilities](<https://devfeed.tech/tags/security-vulnerabilities.md>), [updates](<https://devfeed.tech/tags/updates.md>), [users](<https://devfeed.tech/tags/users.md>), [vulnerabilities](<https://devfeed.tech/tags/vulnerabilities.md>)

## AI overview

Git released patches for six security vulnerabilities spanning recursive clones, reference handling, merges, binary patches, and fast-import. The flaws can enable code execution or unintended file access, corrupt memory, or crash Git. Fixes are in Git 2.56.1 and backports 2.55.1, 2.54.1, 2.53.1, 2.52.1, 2.51.3, and 2.50.2; update bundled Git copies and installations used by automation or services. Specific fixes include rejecting overlong index paths and invalid protocol v2 reference targets, handling arbitrary signature counts, checking binary patches' declared uncompressed size, using checked arithmetic for merge allocations, and blocking unsafe fast-import features unless `--allow-unsafe-features` is enabled. Until patched, the article advises using trusted clone sources and avoiding recursive clones, untrusted merges or tags, binary patches, and fast-import streams. These precautions do not replace updating.

## Source excerpt

Git is releasing updates addressing six security vulnerabilities affecting recursive clones, reference handling, merges, binary patches, and imports. Here is what users need to know. The post Git security vulnerabilities announced appeared first on The GitHub Blog.