HighFix available
redict, redis and 1 more products — security advisory
Redis is an open source, in-memory database that persists on disk. From 2.8 to before 8.0.3, 7.4.5, 7.2.10, and 6.2.19, an authenticated user may use a specially crafted string to trigger a stack/heap out of bounds write on hyperloglog operations, potentially leading to remote code execution. The bug likely affects all Redis versions with hyperloglog operations implemented. This vulnerability is fixed in 8.0.3, 7.4.5, 7.2.10, and 6.2.19. An additional workaround to mitigate the problem without patching the redis-server executable is to prevent users from executing hyperloglog operations. This can be done using ACL to restrict HLL commands.
- Products
- redict, redis, valkey
- Affected versions
- 2:2.6.13-1, 2:2.6.16-3, 2:2.8.0-1, 2:2.8.2-1, 2:2.8.4-2, 2:2.8.4-2ubuntu0.2, 2:2.8.4-2ubuntu0.2+esm1, 2:2.8.4-2ubuntu0.2+esm2, 2:2.8.4-2ubuntu0.2+esm3, 2:2.8.4-2ubuntu0.2+esm4, 2:2.8.4-2ubuntu0.2+esm5, 2:3.0.3-3, 2:3.0.5-1, 2:3.0.5-2, 2:3.0.5-3, 2:3.0.5-4, 2:3.0.6-1, 2:3.0.6-1ubuntu0.2, 2:3.0.6-1ubuntu0.3, 2:3.0.6-1ubuntu0.4, 2:3.0.6-1ubuntu0.4+esm1, 2:3.0.6-1ubuntu0.4+esm2, 2:3.0.6-1ubuntu0.4+esm3, 2:3.0.6-1ubuntu0.4+esm4, 2:3.0.6-1ubuntu0.4+esm5, 4:4.0.1-7, 4:4.0.2-6, 4:4.0.2-9, 5:4.0.5-1, 5:4.0.6-1, 5:4.0.6-2, 5:4.0.7-1, 5:4.0.8-1, 5:4.0.8-2, 5:4.0.9-1, 5:4.0.9-1ubuntu0.1, 5:4.0.9-1ubuntu0.2, 5:4.0.9-1ubuntu0.2+esm2, 5:4.0.9-1ubuntu0.2+esm3, 5:4.0.9-1ubuntu0.2+esm4, 5:4.0.9-1ubuntu0.2+esm5, 5:4.0.9-1ubuntu0.2+esm6, 5:4.0.9-1ubuntu0.2+esm7, 5:5.0.5-2build1, 5:5.0.6-1, 5:5.0.7-1, 5:5.0.7-2, 5:5.0.7-2ubuntu0.1, 5:5.0.7-2ubuntu0.1+esm1, 5:5.0.7-2ubuntu0.1+esm2, 5:5.0.7-2ubuntu0.1+esm3, 5:5.0.7-2ubuntu0.1+esm4, 5:5.0.7-2ubuntu0.1~esm1, 5:6.0.15-1, 5:6.0.16-1, 5:6.0.16-1build1, 5:6.0.16-1ubuntu1, 5:6.0.16-1ubuntu1+esm1, 5:6.0.16-1ubuntu1+esm2, 5:6.0.16-1ubuntu1.1, 5:6.0.16-1ubuntu1.1+esm1, 5:6.0.16-1ubuntu1.2, 5:6.0.16-1ubuntu1.2+esm1, 5:7.0.12-1, 5:7.0.14-1, 5:7.0.14-2, 5:7.0.15-1, 5:7.0.15-1build1, 5:7.0.15-1build2, 5:7.0.15-1ubuntu0.24.04.1, 5:7.0.15-1ubuntu0.24.04.2, 5:7.0.15-3, 5:7.0.15-3.1, 5:8.0.2-3, 5:8.0.2-3build1, 5:8.0.2-3ubuntu0.25.10.1, 5:8.0.5-1, 5:8.0.5-1ubuntu0.1, 5:8.0.6-2, 5:8.0.6-2build1, 5:8.0.6-3, 7.2.10+dfsg1-0ubuntu0.1, 7.2.11+dfsg1-0ubuntu0.1, 7.2.5+dfsg1-2ubuntu4~24.04.1, 7.2.7+dfsg1-0ubuntu0.24.04.1, 7.2.8+dfsg1-0ubuntu0.24.04.1, 7.2.8+dfsg1-0ubuntu0.24.04.2, 7.2.8+dfsg1-0ubuntu0.24.04.3, 7.3.2+ds-1, 7.3.5+ds-1, 7.3.5+ds-1ubuntu0.1, 7.3.5+ds-1ubuntu0.2, 7.3.6+ds-1, 7.3.6+ds-2, 7.3.6+ds-2build1
- Fixed versions
- 5:7.0.15-1ubuntu0.24.04.3, 7.2.11+dfsg1-0ubuntu0.2
- CVEs
- CVE-2025-32023
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:48 UTC · Revision 1
Source evidence
Redis is an open source, in-memory database that persists on disk. From 2.8 to before 8.0.3, 7.4.5, 7.2.10, and 6.2.19, an authenticated user may use a specially crafted string to trigger a stack/heap out of bounds write on hyperloglog operations, potentially leading to remote code execution. The bug likely affects all Redis versions with hyperloglog operations implemented. This vulnerability is fixed in 8.0.3, 7.4.5, 7.2.10, and 6.2.19. An additional workaround to mitigate the problem without patching the redis-server executable is to prevent users from executing hyperloglog operations. This can be done using ACL to restrict HLL commands.
osv:UBUNTU-CVE-2025-32023
redis
Fixed versions: Not specified
redis
Fixed versions: Not specified
redis
Fixed versions: Not specified
redis
Fixed versions: Not specified
redis
Fixed versions: Not specified
redis
Fixed versions: 5:7.0.15-1ubuntu0.24.04.3
valkey
Fixed versions: 7.2.11+dfsg1-0ubuntu0.2
redict
Fixed versions: Not specified
redis
Fixed versions: Not specified
redict
Fixed versions: Not specified
redis
Fixed versions: Not specified
redict
Fixed versions: Not specified
redis
Fixed versions: Not specified
Complete source record
{
"id": "223ed55a48c7a3fc34f9760aeb3c85a55e886c29819664ac07daa02c11fbcc20",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2025-32023",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2025-32023",
"summary": "Redis is an open source, in-memory database that persists on disk. From 2.8 to before 8.0.3, 7.4.5, 7.2.10, and 6.2.19, an authenticated user may use a specially crafted string to trigger a stack/heap out of bounds write on hyperloglog operations, potentially leading to remote code execution. The bug likely affects all Redis versions with hyperloglog operations implemented. This vulnerability is fixed in 8.0.3, 7.4.5, 7.2.10, and 6.2.19. An additional workaround to mitigate the problem without patching the redis-server executable is to prevent users from executing hyperloglog operations. This can be done using ACL to restrict HLL commands.",
"evidence": "osv:UBUNTU-CVE-2025-32023",
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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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{
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{
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},
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{
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],
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{
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{
"value": "5:7.0.14-1",
"evidence": "/affected/5/versions"
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{
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"evidence": "/affected/5/versions"
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{
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{
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{
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{
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{
"name": {
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},
{
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},
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{
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{
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},
{
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}
]
},
{
"name": {
"value": "redis",
"evidence": "/affected/12/package/name"
},
"prerequisites": [],
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{
"value": "5:8.0.2-3build1",
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{
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},
{
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"evidence": "/affected/12/versions"
},
{
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"evidence": "/affected/12/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "UBUNTU-CVE-2025-32023",
"aliases": [
"UBUNTU-CVE-2025-32023"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "redis",
"purl": "pkg:deb/ubuntu/redis?arch=source&distro=esm-infra-legacy%2Ftrusty",
"ecosystem": "Ubuntu:Pro:14.04:LTS"
},
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"2:2.8.4-2",
"2:2.8.4-2ubuntu0.2",
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"2:2.8.4-2ubuntu0.2+esm2",
"2:2.8.4-2ubuntu0.2+esm3",
"2:2.8.4-2ubuntu0.2+esm4",
"2:2.8.4-2ubuntu0.2+esm5"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2025/UBUNTU-CVE-2025-32023.json"
},
"ecosystem_specific": {
"binaries": [
{
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"binary_version": "2:2.8.4-2ubuntu0.2+esm5"
},
{
"binary_name": "redis-tools",
"binary_version": "2:2.8.4-2ubuntu0.2+esm5"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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}
]
}
],
"package": {
"name": "redis",
"purl": "pkg:deb/ubuntu/redis?arch=source&distro=esm-apps%2Fxenial",
"ecosystem": "Ubuntu:Pro:16.04:LTS"
},
"versions": [
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"2:3.0.5-1",
"2:3.0.5-2",
"2:3.0.5-3",
"2:3.0.5-4",
"2:3.0.6-1",
"2:3.0.6-1ubuntu0.2",
"2:3.0.6-1ubuntu0.3",
"2:3.0.6-1ubuntu0.4",
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"2:3.0.6-1ubuntu0.4+esm2",
"2:3.0.6-1ubuntu0.4+esm3",
"2:3.0.6-1ubuntu0.4+esm4",
"2:3.0.6-1ubuntu0.4+esm5"
],
"database_specific": {
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],
"modified": "2026-10-17T12:57:27.395386941Z",
"provider": "osv",
"upstream": [
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],
"references": [
"https://ubuntu.com/security/CVE-2025-32023",
"https://www.cve.org/CVERecord?id=CVE-2025-32023",
"https://github.com/redis/redis/security/advisories/GHSA-rp2m-q4j6-gr43",
"https://github.com/valkey-io/valkey/pull/2314",
"https://github.com/redis/redis/commit/50188747cbfe43528d2719399a2a3c9599169445",
"https://github.com/redis/redis/releases/tag/6.2.19",
"https://github.com/redis/redis/releases/tag/7.2.10",
"https://github.com/redis/redis/releases/tag/7.4.5",
"https://github.com/redis/redis/releases/tag/8.0.3",
"https://ubuntu.com/security/notices/USN-8120-1"
]
},
"related_cves": [
{
"value": "CVE-2025-32023",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/1/score"
},
"source_id": "core-osv",
"document_id": 357527,
"published_at": "2025-07-07T16:15:00+00:00"
}