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CVE-2018-15501

libgit2: out-of-bounds reads when processing smart-protocol ng packets

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Severity

Low

Red Hat Product Security

5.3

CVSS 3.0

Review impact separately from score.

Published · August 7, 2018

Updated · November 22, 2025

Description

In ng_pkt in transports/smart_pkt.c in libgit2 before 0.26.6 and 0.27.x before 0.27.4, a remote attacker can send a crafted smart-protocol "ng" packet that lacks a '\0' byte to trigger an out-of-bounds read that leads to DoS.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.0 · 5.3
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWE-125 · Out-of-bounds Read