CVE-2018-10888
Publication date 10 July 2018
Last updated 25 August 2025
Ubuntu priority
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.
From the Ubuntu Security Team
Riccardo Schirone discovered that libgit2 mishandled specially crafted input. If a victim were tricked into cloning a malicious repository or applying a malicious patch, an attacker could cause libgit2 to leak sensitive information or crash.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| libgit2 | 18.04 LTS bionic |
Fixed 0.26.0+dfsg.1-1.1ubuntu0.2
|
| 16.04 LTS xenial |
Fixed 0.24.1-2ubuntu0.2
|
|
| 14.04 LTS trusty |
Fixed 0.19.0-2ubuntu0.4
|
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score |
6.5 · Medium
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |