OSV-2018-2

Heap-buffer-overflow in git_buf_vprintf

No scoreFix available

OSV-2018-2 is a vulnerability with no CVSS score yet in libgit2, published January 12, 2021. No source lists public exploit code. A source reports a fix.

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11004

Crash type: Heap-buffer-overflow READ 13
Crash state:
git_buf_vprintf
giterr_set
git__strntol32

What each source reports

OSV No score

Heap-buffer-overflow in git_buf_vprintf

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11004

Crash type: Heap-buffer-overflow READ 13
Crash state:
git_buf_vprintf
giterr_set
git__strntol32

Record: OSV-2018-2
Updated: 2026-11-02

Affected packages

Affected packages
Package	Affected	Fixed
`libgit2` OSS-Fuzz	Commit ranges	Not evaluated

Not evaluated means the source gave git commits or a range we can't read, so we can't tell which releases are affected. A fixed version beside it is the source’s own claim.

History

History
When	Changed	Sources
2026-11-02	created	OSV

References

bugs.chromium.org/p/oss-fuzz/issues/detail?id=11004