go-git is an extensible git implementation library written in pure Go. Prior to version 5.17.1, go-git’s index decoder for format version 4 fails to validate the path name prefix length before applying it to the previously decoded path name. A maliciously crafted index file can trigger an out-of-bounds slice operation, resulting in a runtime panic during normal index parsing. This issue only affects Git index format version 4. Earlier formats (go-git supports only v2 and v3) are not vulnerable to this issue. This issue has been patched in version 5.17.1.
Project Subscriptions
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Advisories
| Source | ID | Title |
|---|---|---|
Github GHSA |
GHSA-gm2x-2g9h-ccm8 | go-git missing validation decoding Index v4 files leads to panic |
Fixes
Solution
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Workaround
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References
History
Tue, 31 Mar 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | go-git is an extensible git implementation library written in pure Go. Prior to version 5.17.1, go-git’s index decoder for format version 4 fails to validate the path name prefix length before applying it to the previously decoded path name. A maliciously crafted index file can trigger an out-of-bounds slice operation, resulting in a runtime panic during normal index parsing. This issue only affects Git index format version 4. Earlier formats (go-git supports only v2 and v3) are not vulnerable to this issue. This issue has been patched in version 5.17.1. | |
| Title | go-git: Missing validation decoding Index v4 files leads to panic | |
| Weaknesses | CWE-129 | |
| References |
| |
| Metrics |
cvssV3_1
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Projects
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-03-31T18:53:08.221Z
Reserved: 2026-03-23T18:30:14.126Z
Link: CVE-2026-33762
No data.
Status : Received
Published: 2026-03-31T15:16:15.597
Modified: 2026-03-31T15:16:15.597
Link: CVE-2026-33762
No data.
OpenCVE Enrichment
No data.
Weaknesses
Github GHSA