CVE-2018-8098
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2018-8098
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-8098.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2018-8098
- Downstream
- Related
- Published
- 2018-03-14T00:29:00Z
- Modified
- 2025-10-15T10:02:43.207831Z
- Severity
-
- 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
Integer overflow in the index.c:read_entry() function while decompressing a compressed prefix length in libgit2 before v0.26.2 allows an attacker to cause a denial of service (out-of-bounds read) via a crafted repository index file.
- References
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 affectedFixedFixed
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
v0.27.0-rc1
v0.27.0-rc2
v0.3.0
v0.8.0
Database specific
{
"vanir_signatures": [
{
"id": "CVE-2018-8098-29acfe81",
"signature_type": "Line",
"target": {
"file": "src/index.c"
},
"source": "https://github.com/libgit2/libgit2/commit/3207ddb0103543da8ad2139ec6539f590f9900c1",
"digest": {
"threshold": 0.9,
"line_hashes": [
"135896982973916903305795107330050348358",
"184939043377130665668669129652211017347",
"307748016171779875675699727869171429237",
"241739025222590407109663724768545593759",
"23267720098037586023124815692439880216",
"24661678461091087705214163136838974316",
"90907465384696908184435450087934824448",
"277379174238028553344217817776980333730",
"119481454443235298950043312408905204454",
"229678914226100167683291621348395190622",
"255372000690676535671072658154186099275",
"165531933752734538812548705048040921207"
]
},
"deprecated": false,
"signature_version": "v1"
},
{
"id": "CVE-2018-8098-eb1d4f8c",
"signature_type": "Function",
"target": {
"file": "src/index.c",
"function": "read_entry"
},
"source": "https://github.com/libgit2/libgit2/commit/3207ddb0103543da8ad2139ec6539f590f9900c1",
"digest": {
"function_hash": "109719023837396517359196467765305835058",
"length": 2411.0
},
"deprecated": false,
"signature_version": "v1"
}
]
}