HighFix available
Red Hat Security Advisory: zlib security update
Type: advisorySources: OSV
- Products
- minizip, minizip-devel, zlib, zlib-debuginfo, zlib-devel, zlib-static
- Affected versions
- Not specified
- Fixed versions
- 0:1.2.7-21.el7_9.1
- CVEs
- CVE-2016-9840
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 11:23 UTC · Revision 1
Source evidence
Red Hat Security Advisory: zlib security update
core-osv · Original sourcePublished 30 May 2025, 10:03 UTC
Red Hat Security Advisory: zlib security update
osv:RHSA-2025:8314
zlib
Fixed versions: 0:1.2.7-21.el7_9.1
zlib-debuginfo
Fixed versions: 0:1.2.7-21.el7_9.1
zlib-devel
Fixed versions: 0:1.2.7-21.el7_9.1
minizip
Fixed versions: 0:1.2.7-21.el7_9.1
minizip-devel
Fixed versions: 0:1.2.7-21.el7_9.1
zlib-static
Fixed versions: 0:1.2.7-21.el7_9.1
Complete source record
{
"id": "6988a28408fe2031e6fbef719601ac7e8741ede3df1f71e8bc7dc39ab43ec120",
"url": "https://osv.dev/vulnerability/RHSA-2025%3A8314",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Red Hat Security Advisory: zlib security update",
"summary": "Red Hat Security Advisory: zlib security update",
"evidence": "osv:RHSA-2025:8314",
"products": [
{
"name": {
"value": "zlib",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:1.2.7-21.el7_9.1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "zlib-debuginfo",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:1.2.7-21.el7_9.1",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "zlib-devel",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:1.2.7-21.el7_9.1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "minizip",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:1.2.7-21.el7_9.1",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "minizip-devel",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:1.2.7-21.el7_9.1",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "zlib-static",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0:1.2.7-21.el7_9.1",
"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "RHSA-2025:8314",
"aliases": [
"RHSA-2025:8314"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:1.2.7-21.el7_9.1"
}
]
}
],
"package": {
"name": "zlib",
"purl": "pkg:rpm/redhat/zlib",
"ecosystem": "Red Hat:rhel_els:7"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2025:8314.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:1.2.7-21.el7_9.1"
}
]
}
],
"package": {
"name": "zlib-debuginfo",
"purl": "pkg:rpm/redhat/zlib-debuginfo",
"ecosystem": "Red Hat:rhel_els:7"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2025:8314.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:1.2.7-21.el7_9.1"
}
]
}
],
"package": {
"name": "zlib-devel",
"purl": "pkg:rpm/redhat/zlib-devel",
"ecosystem": "Red Hat:rhel_els:7"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2025:8314.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:1.2.7-21.el7_9.1"
}
]
}
],
"package": {
"name": "minizip",
"purl": "pkg:rpm/redhat/minizip",
"ecosystem": "Red Hat:rhel_els:7"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2025:8314.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:1.2.7-21.el7_9.1"
}
]
}
],
"package": {
"name": "minizip-devel",
"purl": "pkg:rpm/redhat/minizip-devel",
"ecosystem": "Red Hat:rhel_els:7"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2025:8314.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0:1.2.7-21.el7_9.1"
}
]
}
],
"package": {
"name": "zlib-static",
"purl": "pkg:rpm/redhat/zlib-static",
"ecosystem": "Red Hat:rhel_els:7"
},
"database_specific": {
"source": "https://security.access.redhat.com/data/osv/RHSA-2025:8314.json"
}
}
],
"modified": "2026-10-09T10:17:19Z",
"provider": "osv",
"upstream": [
"CVE-2016-9840"
],
"references": [
"https://access.redhat.com/errata/RHSA-2025:8314",
"https://access.redhat.com/security/updates/classification/#important",
"https://bugzilla.redhat.com/show_bug.cgi?id=2366317",
"https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_8314.json",
"https://access.redhat.com/security/cve/CVE-2016-9840",
"https://bugzilla.redhat.com/show_bug.cgi?id=1402345",
"https://www.cve.org/CVERecord?id=CVE-2016-9840",
"https://nvd.nist.gov/vuln/detail/CVE-2016-9840",
"https://docs.google.com/document/d/10i1KZS5so8xDqH2rplRa2xet0tyTvvJlLbQQmZIUIKE/edit#heading=h.t13tvnx4loq7",
"https://wiki.mozilla.org/images/0/09/Zlib-report.pdf"
]
},
"related_cves": [
{
"value": "CVE-2016-9840",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 113101,
"published_at": "2025-05-30T10:03:22+00:00"
}