HighFix available
libexif — security advisory
An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif version 0.6.21 can be exploited to exhaust available CPU resources.
- Products
- libexif
- Affected versions
- Not specified
- Fixed versions
- 0.6.22-r0
- CVEs
- CVE-2018-20030
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 22:12 UTC · Revision 1
Source evidence
An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif version 0.6.21 can be exploited to exhaust available CPU resources.
osv:ALPINE-CVE-2018-20030
libexif
Fixed versions: 0.6.22-r0
libexif
Fixed versions: 0.6.22-r0
libexif
Fixed versions: 0.6.22-r0
libexif
Fixed versions: 0.6.22-r0
libexif
Fixed versions: 0.6.22-r0
Complete source record
{
"id": "569080d7bc6ee8b0eecdabb07874382ba0035c6e4ec76b4e8bddcf16072731a4",
"url": "https://osv.dev/vulnerability/ALPINE-CVE-2018-20030",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "ALPINE-CVE-2018-20030",
"summary": "An error when processing the EXIF_IFD_INTEROPERABILITY and EXIF_IFD_EXIF tags within libexif version 0.6.21 can be exploited to exhaust available CPU resources.",
"evidence": "osv:ALPINE-CVE-2018-20030",
"products": [
{
"name": {
"value": "libexif",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.6.22-r0",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libexif",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.6.22-r0",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libexif",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.6.22-r0",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libexif",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.6.22-r0",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libexif",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.6.22-r0",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "ALPINE-CVE-2018-20030",
"aliases": [
"ALPINE-CVE-2018-20030"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.6.22-r0"
}
]
}
],
"package": {
"name": "libexif",
"purl": "pkg:apk/alpine/libexif?arch=source",
"ecosystem": "Alpine:v3.10"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-20030.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.6.22-r0"
}
]
}
],
"package": {
"name": "libexif",
"purl": "pkg:apk/alpine/libexif?arch=source",
"ecosystem": "Alpine:v3.11"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-20030.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.6.22-r0"
}
]
}
],
"package": {
"name": "libexif",
"purl": "pkg:apk/alpine/libexif?arch=source",
"ecosystem": "Alpine:v3.12"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-20030.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.6.22-r0"
}
]
}
],
"package": {
"name": "libexif",
"purl": "pkg:apk/alpine/libexif?arch=source",
"ecosystem": "Alpine:v3.8"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-20030.json"
},
"ecosystem_specific": {}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.6.22-r0"
}
]
}
],
"package": {
"name": "libexif",
"purl": "pkg:apk/alpine/libexif?arch=source",
"ecosystem": "Alpine:v3.9"
},
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2018-20030.json"
},
"ecosystem_specific": {}
}
],
"modified": "2026-10-23T17:23:57.959846126Z",
"provider": "osv",
"upstream": [
"CVE-2018-20030"
],
"references": [
"https://security.alpinelinux.org/vuln/CVE-2018-20030"
]
},
"related_cves": [
{
"value": "CVE-2018-20030",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 415894,
"published_at": "2019-02-20T17:29:00.82+00:00"
}