How severe is CVE-2016-8568?

CVE-2016-8568 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2016-8568 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2016-8568?

CVE-2016-8568 primarily affects Libgit2 Project Libgit2. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2016-8568?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2016-8568 published?

CVE-2016-8568 was published on 2017-02-03 and last updated on 2026-06-17.

CVE-2016-8568

CVE-2016-8568 is a medium-severity vulnerability in Libgit2 Project Libgit2 with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-125.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
CVSS v2: 4.3
EPSS exploit prediction: 2% (77th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Libgit2 Project Libgit2
Published: 2017-02-03
Last modified: 2026-06-17

Description

The git_commit_message function in oid.c in libgit2 before 0.24.3 allows remote attackers to cause a denial of service (out-of-bounds read) via a cat-file command with a crafted object file.

Frequently asked questions

What is CVE-2016-8568?: The git_commit_message function in oid.c in libgit2 before 0.24.3 allows remote attackers to cause a denial of service (out-of-bounds read) via a cat-file command with a crafted object file.
How severe is CVE-2016-8568?: CVE-2016-8568 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2016-8568 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (77th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2016-8568?: CVE-2016-8568 primarily affects Libgit2 Project Libgit2. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2016-8568?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2016-8568 published?: CVE-2016-8568 was published on 2017-02-03 and last updated on 2026-06-17.

References

Affected products (8)

cpe:2.3:o:fedoraproject:fedora:23:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:24:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:leap:42.2:*:*:*:*:*:*:*
cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:*
cpe:2.3:o:suse:linux_enterprise:12.0:*:*:*:*:*:*:*
cpe:2.3:a:libgit2_project:libgit2:*:*:*:*:*:*:*:*

More vulnerabilities in Libgit2 Project Libgit2

CVE-2016-10128 — Critical (CVSS 9.8): Buffer overflow in the git_pkt_parse_line function in transports/smart_pkt.c in the Git Smart Protocol support in…
CVE-2016-10129 — High (CVSS 7.5): The Git Smart Protocol support in libgit2 before 0.24.6 and 0.25.x before 0.25.1 allows remote attackers to cause a…
CVE-2016-10130 — Medium (CVSS 5.9): The http_connect function in transports/http.c in libgit2 before 0.24.6 and 0.25.x before 0.25.1 might allow…
CVE-2016-8569 — Medium (CVSS 5.5): The git_oid_nfmt function in commit.c in libgit2 before 0.24.3 allows remote attackers to cause a denial of service…

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