What is CVE-2025-48386?

CVE-2025-48386 is a medium-severity vulnerability in Git, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.3/10. Published 2025-07-08.

How severe is CVE-2025-48386?

Medium severity. CVSS v3 base score is 6.3 out of 10.

Is CVE-2025-48386 known to be exploited?

4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Buffer overflow in Git

CVE-2025-48386

Git is a fast, scalable, distributed revision control system with an unusually rich command set that provides both high-level operations and full access to internals. The wincred credential helper uses a static buffer (target) as a unique…

Vulnerability class: Buffer Overflow

EPSS: 0.003 (24.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N.

Affected products

Git — versions < 2.43.7, >= 2.44.0-rc0, < 2.44.4, >= 2.45.0-rc0, < 2.45.4

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)

Public proof-of-concept exploits

References

security-advisories@github.com (x_refsource_CONFIRM)
af854a3a-2127-422b-91ae-364da2661108

Frequently asked questions

What is CVE-2025-48386?: CVE-2025-48386 is a medium-severity vulnerability in Git, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.3/10. Published 2025-07-08.
How severe is CVE-2025-48386?: Medium severity. CVSS v3 base score is 6.3 out of 10.
Is CVE-2025-48386 known to be exploited?: 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.