CVE-2018-15501
- Source
- https://nvd.nist.gov/vuln/detail/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
- 2018-08-18T02:29:01Z
- Modified
- 2025-10-15T09:22:00.390528Z
- 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.
- References
-
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=9406
- https://bugzilla.suse.com/show_bug.cgi?id=1104641
- https://github.com/libgit2/libgit2/commit/1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649
- https://github.com/libgit2/libgit2/releases/tag/v0.26.6
- https://github.com/libgit2/libgit2/releases/tag/v0.27.4
- https://lists.debian.org/debian-lts-announce/2018/08/msg00024.html
- https://lists.debian.org/debian-lts-announce/2022/03/msg00031.html
- https://www.pro-linux.de/sicherheit/2/44650/denial-of-service-in-libgit2.html
Affected packages
Git / github.com/libgit2/libgit2
Affected ranges
- Type
- GIT
- Repo
- https://github.com/libgit2/libgit2
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixedFixedFixed
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
v0.19.0
v0.2.0
v0.20.0
v0.21.0
v0.21.0-rc1
v0.21.0-rc2
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
v0.24.4
v0.25.0
v0.25.0-rc1
v0.25.0-rc2
v0.25.1
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
v0.27.0-rc1
v0.27.0-rc2
v0.27.0-rc3
v0.27.1
v0.27.2
v0.27.3
v0.3.0
v0.8.0
Database specific
vanir_signatures
[
{
"signature_version": "v1",
"target": {
"function": "ng_pkt",
"file": "src/transports/smart_pkt.c"
},
"source": "https://github.com/libgit2/libgit2/commit/1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649",
"digest": {
"length": 908.0,
"function_hash": "138826696511010238732541932636188295741"
},
"deprecated": false,
"id": "CVE-2018-15501-606741fe",
"signature_type": "Function"
},
{
"signature_version": "v1",
"target": {
"file": "src/transports/smart_pkt.c"
},
"source": "https://github.com/libgit2/libgit2/commit/1f9a8510e1d2f20ed7334eeeddb92c4dd8e7c649",
"digest": {
"line_hashes": [
"277944573312571448173291964358782886837",
"36280656565145144977492951188865350869",
"302331465101043077794962941694367824538",
"294618928152091666896038200414798230595",
"207907076655417259776009322911410236434",
"107580828438128948544648617943369281976",
"302059678418441467271694324972509664904",
"329815054368941535576649484587697607592",
"83354471640335339165381725665650886157",
"20275277051791725878689896175251433783"
],
"threshold": 0.9
},
"deprecated": false,
"id": "CVE-2018-15501-cee72982",
"signature_type": "Line"
}
]