CVE-2016-8569
medium
CVSS v3
5.5
CVSS v4 NEW
—
VIR risk
5.5
Description
The git_oid_nfmt function in commit.c in libgit2 before 0.24.3 allows remote attackers to cause a denial of service (NULL pointer dereference) via a cat-file command with a crafted object file.
Predictions
Exploit likelihood
55%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Fedora Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 25 | Affected | — |
| 24 | Affected | — |
| 23 | Affected | — |
SUSE Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| 42.2 | Affected | — |
| 42.1 | Affected | — |
| 13.2 | Affected | — |
Arch Fixed 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Fixed | 1:0.24.3-1 |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 0.24.2-2 |
| sid | Fixed | 0.24.2-2 |
| forky | Fixed | 0.24.2-2 |
| bullseye | Fixed | 0.17.0-1 |
| bookworm | Fixed | 0.17.0-1 |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| libgit2_project | libgit2 | {"endIncluding":"0.24.2"} | |
References
- https://security.archlinux.org/ASA-201611-17
- http://lists.opensuse.org/opensuse-updates/2016-12/msg00075.html
- http://lists.opensuse.org/opensuse-updates/2017-01/msg00103.html
- http://lists.opensuse.org/opensuse-updates/2017-01/msg00110.html
- http://lists.opensuse.org/opensuse-updates/2017-01/msg00114.html
- http://www.openwall.com/lists/oss-security/2016/10/08/7
- http://www.securityfocus.com/bid/93465
- https://bugzilla.redhat.com/show_bug.cgi?id=1383211
- https://github.com/libgit2/libgit2/issues/3937
- https://github.com/libgit2/libgit2/releases/tag/v0.24.3
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4E77DG5KGQ7L34U75QY7O6NIPKZNQHQJ/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/X3JBSNJAXP7JA3TGE2NPNRTD77JXFG4E/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XVUEIG6EESZB6BRU2IE3F5NRUEHMAEKC/
- https://security-tracker.debian.org/tracker/CVE-2016-8569
CWEs
CWE-476
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.