CVE-2018-10888: Input Validation
A flaw was found in libgit2 before version 0.27.3. A missing check in gitdeltaapply 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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/libgit2to a version that resolves this vulnerability.Fixed in 0.27.3 - Upgrade
Upgrade
redhat/libgit2to a version that resolves this vulnerability.Fixed in 0.26.5 - Upgrade
Upgrade
alpine/libgit2to a version that resolves this vulnerability.Fixed in 0.27.3-r0 - Upgrade
Upgrade
alpine/libgit2-0.27to a version that resolves this vulnerability.Fixed in 0.27.3-r0 - Upgrade
Upgrade
alpine/libgit2-1.0to a version that resolves this vulnerability.Fixed in 0.27.3-r0 - Upgrade
Upgrade
alpine/libgit2-1.1to a version that resolves this vulnerability.Fixed in 0.27.3-r0 - Upgrade
Upgrade
libgit2to a version that resolves this vulnerability.Fixed in 0.27.3
Event History
Frequently Asked Questions
What is CVE-2018-10888?
CVE-2018-10888 is a vulnerability in libgit2 before version 0.27.3 that can be exploited to cause a Denial of Service.
How severe is CVE-2018-10888?
CVE-2018-10888 has a severity rating of 6.5 (medium).
Which software versions are affected by CVE-2018-10888?
Versions up to and excluding 0.27.3 of libgit2 are affected by CVE-2018-10888.
How can I fix CVE-2018-10888?
You can fix CVE-2018-10888 by upgrading to version 0.27.3 of libgit2.
Where can I find more information about CVE-2018-10888?
You can find more information about CVE-2018-10888 on the following references: [Bugzilla](https://bugzilla.redhat.com/show_bug.cgi?id=1598024), [GitHub commit](https://github.com/libgit2/libgit2/commit/9844d38bed10e9ff17174434b3421b227ae710f3), [GitHub release](https://github.com/libgit2/libgit2/releases/tag/v0.27.3).