UnratedFix available
Fix CVE(s): CVE-2020-22219
Type: advisorySources: OSV
* SECURITY UPDATE: double free when growing the bit writer fails - debian/patches/CVE-2020-22219.patch: add _nofree variants of the safe_realloc helpers and use them where the caller keeps its own pointer on failure, so bitwriter_grow_() no longer leaves a freed bw->buffer for FLAC__bitwriter_free() to release again (upstream 21fe95ee82). - CVE-2020-22219
- Products
- flac, libflac++-dev, libflac++6v5, libflac-dev, libflac-doc, libflac8
- Affected versions
- Not specified
- Fixed versions
- 1.3.2-1ubuntu0.1+tuxcare.els1
- CVEs
- CVE-2020-22219
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:42 UTC · Revision 1
Source evidence
* SECURITY UPDATE: double free when growing the bit writer fails - debian/patches/CVE-2020-22219.patch: add _nofree variants of the safe_realloc helpers and use them where the caller keeps its own pointer on failure, so bitwriter_grow_() no longer leaves a freed bw->buffer for FLAC__bitwriter_free() to release again (upstream 21fe95ee82). - CVE-2020-22219
osv:CLSA-2026-1788193482
flac
Fixed versions: 1.3.2-1ubuntu0.1+tuxcare.els1
libflac++-dev
Fixed versions: 1.3.2-1ubuntu0.1+tuxcare.els1
libflac++6v5
Fixed versions: 1.3.2-1ubuntu0.1+tuxcare.els1
libflac-dev
Fixed versions: 1.3.2-1ubuntu0.1+tuxcare.els1
libflac-doc
Fixed versions: 1.3.2-1ubuntu0.1+tuxcare.els1
libflac8
Fixed versions: 1.3.2-1ubuntu0.1+tuxcare.els1
Complete source record
{
"id": "f92b9d0ee94da125dadb8fb28e7d9681b89bb7aa556de9ce678fa70fddcd7092",
"url": "https://osv.dev/vulnerability/CLSA-2026-1788193482",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Fix CVE(s): CVE-2020-22219",
"summary": "* SECURITY UPDATE: double free when growing the bit writer fails - debian/patches/CVE-2020-22219.patch: add _nofree variants of the safe_realloc helpers and use them where the caller keeps its own pointer on failure, so bitwriter_grow_() no longer leaves a freed bw->buffer for FLAC__bitwriter_free() to release again (upstream 21fe95ee82). - CVE-2020-22219",
"evidence": "osv:CLSA-2026-1788193482",
"products": [
{
"name": {
"value": "flac",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.3.2-1ubuntu0.1+tuxcare.els1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libflac++-dev",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.3.2-1ubuntu0.1+tuxcare.els1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libflac++6v5",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.3.2-1ubuntu0.1+tuxcare.els1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libflac-dev",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.3.2-1ubuntu0.1+tuxcare.els1",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libflac-doc",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.3.2-1ubuntu0.1+tuxcare.els1",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "libflac8",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.3.2-1ubuntu0.1+tuxcare.els1",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
}
],
"severity": "unknown",
"structured": {
"id": "CLSA-2026-1788193482",
"aliases": [
"CLSA-2026-1788193482"
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.3.2-1ubuntu0.1+tuxcare.els1"
}
]
}
],
"package": {
"name": "flac",
"purl": "pkg:deb/tuxcare/flac?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1788193482.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.3.2-1ubuntu0.1+tuxcare.els1"
}
]
}
],
"package": {
"name": "libflac++-dev",
"purl": "pkg:deb/tuxcare/libflac++-dev?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1788193482.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.3.2-1ubuntu0.1+tuxcare.els1"
}
]
}
],
"package": {
"name": "libflac++6v5",
"purl": "pkg:deb/tuxcare/libflac++6v5?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1788193482.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.3.2-1ubuntu0.1+tuxcare.els1"
}
]
}
],
"package": {
"name": "libflac-dev",
"purl": "pkg:deb/tuxcare/libflac-dev?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1788193482.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.3.2-1ubuntu0.1+tuxcare.els1"
}
]
}
],
"package": {
"name": "libflac-doc",
"purl": "pkg:deb/tuxcare/libflac-doc?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1788193482.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.3.2-1ubuntu0.1+tuxcare.els1"
}
]
}
],
"package": {
"name": "libflac8",
"purl": "pkg:deb/tuxcare/libflac8?distro=ubuntu-18.04",
"ecosystem": "TuxCare:Ubuntu:18.04"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1788193482.json"
}
}
],
"modified": "2026-10-26T09:32:04.184638273Z",
"provider": "osv",
"upstream": [
"CVE-2020-22219"
],
"references": [
"https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1788193482.html",
"https://nvd.nist.gov/vuln/detail/CVE-2020-22219"
]
},
"related_cves": [
{
"value": "CVE-2020-22219",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 449578,
"published_at": "2026-08-31T16:24:58+00:00"
}