CVE-2018-15501

HIGH

Debian Linux < 0.26.6 - Out-of-Bounds Read

Title source: rule
STIX 2.1

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.

References (8)

Core 8
Core References
Exploit, Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9406
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/libgit2/libgit2/releases/tag/v0.27.4
Issue Tracking, Patch, Third Party Advisory x_refsource_misc
https://bugzilla.suse.com/show_bug.cgi?id=1104641
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html
Release Notes, Third Party Advisory x_refsource_misc
https://github.com/libgit2/libgit2/releases/tag/v0.26.6
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html

Scores

CVSS v3 7.5
EPSS 0.0162
EPSS Percentile 81.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Details

CWE
CWE-125
Status published
Products (3)
debian/debian_linux 8.0
debian/debian_linux 9.0
libgit2/libgit2 < 0.26.6
Published Aug 18, 2018
Tracked Since Feb 18, 2026