CVE-2018-15501

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Source
https://cve.org/CVERecord?id=CVE-2018-15501
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-15501.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2018-15501
Downstream
Related
Published
2018-08-18T02:29:01.713Z
Modified
2026-04-11T18:43:50.792122Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

In ngpkt in transports/smartpkt.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.

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "last_affected": "8.0"
                }
            ],
            "cpe": "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*"
        },
        {
            "source": "CPE_FIELD",
            "extracted_events": [
                {
                    "last_affected": "9.0"
                }
            ],
            "cpe": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
        }
    ]
}
References

Affected packages

Git / github.com/libgit2/libgit2

Affected ranges

Type
GIT
Repo
https://github.com/libgit2/libgit2
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
e98d0a37c93574d2c6107bf7f31140b548c6a7bf
Introduced
6311e886d8b5377c6037cd9937ccf66a71f3361d
Fixed
8b89f362a34fcccdf1c6c5f3445895b71d9c6d56
Fixed
1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649
Database specific 
{
    "source": [
        "CPE_FIELD",
        "REFERENCES"
    ],
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "0.26.6"
        },
        {
            "introduced": "0.27.0"
        },
        {
            "fixed": "0.27.4"
        }
    ],
    "cpe": "cpe:2.3:a:libgit2:libgit2:*:*:*:*:*:*:*:*"
}

Affected versions

v0.*
v0.1.0
v0.10.0
v0.11.0
v0.12.0
v0.13.0
v0.14.0
v0.15.0
v0.16.0
v0.17.0
v0.18.0
v0.2.0
v0.21.0
v0.22.0
v0.22.0-rc1
v0.22.0-rc2
v0.23.0
v0.23.0-rc1
v0.23.0-rc2
v0.24.0
v0.24.0-rc1
v0.26.0
v0.26.0-rc1
v0.26.0-rc2
v0.26.1
v0.26.2
v0.26.3
v0.26.4
v0.26.5
v0.27.0
v0.27.1
v0.27.2
v0.27.3
v0.3.0
v0.8.0

Database specific

vanir_signatures 
[
    {
        "target": {
            "function": "ng_pkt",
            "file": "src/transports/smart_pkt.c"
        },
        "source": "https://github.com/libgit2/libgit2/commit/1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649",
        "deprecated": false,
        "digest": {
            "length": 908.0,
            "function_hash": "138826696511010238732541932636188295741"
        },
        "signature_type": "Function",
        "signature_version": "v1",
        "id": "CVE-2018-15501-606741fe"
    },
    {
        "target": {
            "file": "src/transports/smart_pkt.c"
        },
        "source": "https://github.com/libgit2/libgit2/commit/1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "277944573312571448173291964358782886837",
                "36280656565145144977492951188865350869",
                "302331465101043077794962941694367824538",
                "294618928152091666896038200414798230595",
                "207907076655417259776009322911410236434",
                "107580828438128948544648617943369281976",
                "302059678418441467271694324972509664904",
                "329815054368941535576649484587697607592",
                "83354471640335339165381725665650886157",
                "20275277051791725878689896175251433783"
            ]
        },
        "signature_type": "Line",
        "signature_version": "v1",
        "id": "CVE-2018-15501-cee72982"
    }
]
vanir_signatures_modified 
"2026-04-11T18:43:50Z"
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-15501.json"