Critical
c-blosc2 — security advisory
A vulnerability has been found in c-blosc2 up to 2.13.2 and classified as critical. Affected by this vulnerability is the function ndlz4_decompress of the file /src/c-blosc2/plugins/codecs/ndlz/ndlz4x4.c. The manipulation leads to heap-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.14.3 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-259051.
- Products
- c-blosc2
- Affected versions
- 2.12.0+ds-1, 2.12.0+ds-2, 2.13.1+ds-1, 2.13.1+ds-1.1ubuntu1, 2.13.1+ds-1.1ubuntu2, 2.13.1+ds-1ubuntu1, 2.16.0+ds-1, 2.17.1+ds-1, 2.17.1+ds-2, 2.22.0+ds-1, 2.23.0+ds-1, 2.23.1+ds-1, 2.23.1+ds-2
- Fixed versions
- Not specified
- CVEs
- CVE-2024-3204
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:07 UTC · Revision 1
Source evidence
A vulnerability has been found in c-blosc2 up to 2.13.2 and classified as critical. Affected by this vulnerability is the function ndlz4_decompress of the file /src/c-blosc2/plugins/codecs/ndlz/ndlz4x4.c. The manipulation leads to heap-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.14.3 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-259051.
osv:UBUNTU-CVE-2024-3204
c-blosc2
Fixed versions: Not specified
c-blosc2
Fixed versions: Not specified
c-blosc2
Fixed versions: Not specified
c-blosc2
Fixed versions: Not specified
Complete source record
{
"id": "c2207337f4627d5f269583710b41f94ab05354a20645443a5937f90853086fcc",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2024-3204",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2024-3204",
"summary": "A vulnerability has been found in c-blosc2 up to 2.13.2 and classified as critical. Affected by this vulnerability is the function ndlz4_decompress of the file /src/c-blosc2/plugins/codecs/ndlz/ndlz4x4.c. The manipulation leads to heap-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.14.3 is able to address this issue. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-259051.",
"evidence": "osv:UBUNTU-CVE-2024-3204",
"products": [
{
"name": {
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"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "2.12.0+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "2.12.0+ds-2",
"evidence": "/affected/0/versions"
},
{
"value": "2.13.1+ds-1",
"evidence": "/affected/0/versions"
},
{
"value": "2.13.1+ds-1ubuntu1",
"evidence": "/affected/0/versions"
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{
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"evidence": "/affected/0/versions"
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{
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{
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{
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{
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}
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{
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"affected_versions": [
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{
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{
"name": {
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{
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"evidence": "/affected/3/versions"
},
{
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"evidence": "/affected/3/versions"
}
]
}
],
"severity": "critical",
"structured": {
"id": "UBUNTU-CVE-2024-3204",
"aliases": [
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],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
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"events": [
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"package": {
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"purl": "pkg:deb/ubuntu/c-blosc2?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
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"2.12.0+ds-2",
"2.13.1+ds-1",
"2.13.1+ds-1ubuntu1",
"2.13.1+ds-1.1ubuntu1",
"2.13.1+ds-1.1ubuntu2"
],
"database_specific": {
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},
"ecosystem_specific": {
"binaries": [
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"binary_version": "2.13.1+ds-1.1ubuntu2"
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{
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},
"ecosystem_specific": {
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{
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"package": {
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"purl": "pkg:deb/ubuntu/c-blosc2?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
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"2.23.1+ds-1",
"2.23.1+ds-2"
],
"database_specific": {
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},
"ecosystem_specific": {
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"binary_name": "libblosc2-7",
"binary_version": "2.23.1+ds-2"
}
]
}
},
{
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],
"package": {
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"purl": "pkg:deb/ubuntu/c-blosc2?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
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"2.22.0+ds-1",
"2.23.0+ds-1"
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"database_specific": {
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},
"ecosystem_specific": {
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{
"binary_name": "libblosc2-7",
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}
],
"modified": "2026-10-17T12:56:35.462637731Z",
"provider": "osv",
"upstream": [
"CVE-2024-3204"
],
"references": [
"https://ubuntu.com/security/CVE-2024-3204",
"https://vuldb.com/?id.259051",
"https://vuldb.com/?ctiid.259051",
"https://vuldb.com/?submit.304557",
"https://drive.google.com/drive/folders/1T1k3UeS09m65LjVXExUuZfedNQPWQWCo?usp=sharing",
"https://www.cve.org/CVERecord?id=CVE-2024-3204"
]
},
"related_cves": [
{
"value": "CVE-2024-3204",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 355827,
"published_at": "2024-04-02T22:15:00+00:00"
}