VDB
RHSA-2025%3A18256
RHSA-2025%3A18256
PUBLISHED
CVSS 8.5 HIGH
Record from OSV · Published October 21, 2025
Red Hat Security Advisory: .NET 8.0 security update
Fixed versions
Upgrade to a fixed version or later. Language registries are listed first, then Linux distributions, then vendor products.
| Package | Ecosystem | Fixed in |
|---|---|---|
| aspnetcore-runtime-dbg-8.0 | Red Hat:rhel_eus:9.4::appstream | 8.0.21-1.el9, 0:8.0.21-1.el9_4 |
| dotnet-targeting-pack-8.0 | Red Hat:rhel_eus:9.4::crb | 8.0.21-1.el9, 0:8.0.21-1.el9_4 |
| dotnet-runtime-dbg-8.0 | Red Hat:rhel_eus:9.4::crb | 8.0.21-1.el9, 0:8.0.21-1.el9_4 |
| dotnet-sdk-8.0 | Red Hat:rhel_eus:9.4::appstream | 8.0.121-1.el9, 0:8.0.121-1.el9_4 |
| dotnet-sdk-8.0-source-built-artifacts | Red Hat:rhel_eus:9.4::crb | 8.0.121-1.el9, 0:8.0.121-1.el9_4 |
| dotnet-hostfxr-8.0-debuginfo | Red Hat:rhel_eus:9.4::crb | 8.0.21-1.el9, 0:8.0.21-1.el9_4 |
| dotnet-sdk-8.0 | Red Hat:rhel_eus:9.4::crb | 8.0.121-1.el9, 0:8.0.121-1.el9_4 |
| dotnet-host-debuginfo | Red Hat:rhel_eus:9.4::crb | 8.0.21-1.el9, 0:8.0.21-1.el9_4 |
| dotnet-sdk-8.0-debuginfo | Red Hat:rhel_eus:9.4::appstream | 8.0.121-1.el9, 0:8.0.121-1.el9_4 |
| dotnet-sdk-8.0-source-built-artifacts | Red Hat:rhel_eus:9.4::appstream | 8.0.121-1.el9, 0:8.0.121-1.el9_4 |
| dotnet8.0-debuginfo | Red Hat:rhel_eus:9.4::appstream | 8.0.121-1.el9, 0:8.0.121-1.el9_4 |
| dotnet-runtime-8.0-debuginfo | Red Hat:rhel_eus:9.4::crb | 8.0.21-1.el9, 0:8.0.21-1.el9_4 |
32 more packages have a fixed version. See every fix in Lookup.
Risk scores
CVSS 3.1
8.5
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:L/A:N
Affected products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat:rhel_eus:9.4::appstream | aspnetcore-runtime-dbg-8.0 | 0, 0 |
| Red Hat:rhel_eus:9.4::crb | dotnet-targeting-pack-8.0 | 0, 0 |
| Red Hat:rhel_eus:9.4::crb | dotnet-runtime-dbg-8.0 | 0, 0 |
| Red Hat:rhel_eus:9.4::appstream | dotnet-sdk-8.0 | 0, 0 |
| Red Hat:rhel_eus:9.4::crb | dotnet-sdk-8.0-source-built-artifacts | 0, 0 |
| Red Hat:rhel_eus:9.4::crb | dotnet-hostfxr-8.0-debuginfo | 0, 0 |
| Red Hat:rhel_eus:9.4::crb | dotnet-sdk-8.0 | 0, 0 |
| Red Hat:rhel_eus:9.4::crb | dotnet-host-debuginfo | 0, 0 |
| Red Hat:rhel_eus:9.4::appstream | dotnet-sdk-8.0-debuginfo | 0, 0 |
| Red Hat:rhel_eus:9.4::appstream | dotnet-sdk-8.0-source-built-artifacts | 0, 0 |
| Red Hat:rhel_eus:9.4::appstream | dotnet8.0-debuginfo | 0, 0 |
| Red Hat:rhel_eus:9.4::crb | dotnet-runtime-8.0-debuginfo | 0, 0 |
| Red Hat:rhel_eus:9.4::crb | dotnet-apphost-pack-8.0 | 0, 0 |
| Red Hat:rhel_eus:9.4::appstream | dotnet-hostfxr-8.0 | 0, 0 |
| Red Hat:rhel_eus:9.4::appstream | dotnet8.0 | 0, 0 |
| Red Hat:rhel_eus:9.4::appstream | dotnet-sdk-dbg-8.0 | 0, 0 |
| Red Hat:rhel_eus:9.4::crb | dotnet-hostfxr-8.0 | 0, 0 |
| Red Hat:rhel_eus:9.4::appstream | dotnet-host | 0, 0 |
| Red Hat:rhel_eus:9.4::crb | dotnet8.0-debugsource | 0, 0 |
| Red Hat:rhel_eus:9.4::crb | netstandard-targeting-pack-2.1 | 0, 0 |
…and 24 more
Timeline
- Oct 16, 2025 CVE Published
- Apr 21, 2026 CVE Updated
- Apr 29, 2026 Distribution Patch (2 in total, the first dated here)
- May 1, 2026 Security Advisory (4 in total, the first dated here)
Query this with the API
The same record, from the CLI:
vulnetix vdb vuln RHSA-2025%3A18256
vulnetix vdb fixes RHSA-2025%3A18256
Or with curl, using the org id and key from your account page:
curl -s -H "Authorization: ApiKey ${VULNETIX_ORG_ID}:${VULNETIX_API_KEY}" \
"https://api.vdb.vulnetix.com/v2/vuln/RHSA-2025%253A18256/fixes/registry"
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References
- https://access.redhat.com/errata/RHSA-2025:18256 advisory
- https://access.redhat.com/security/updates/classification/#important article
- https://bugzilla.redhat.com/show_bug.cgi?id=2403083 report
- https://bugzilla.redhat.com/show_bug.cgi?id=2403086 report
- https://nvd.nist.gov/vuln/detail/CVE-2025-55247 advisory
- https://access.redhat.com/security/cve/CVE-2025-55248 report
- https://www.cve.org/CVERecord?id=CVE-2025-55315 advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2403085 report
- https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_18256.json advisory
- https://access.redhat.com/security/cve/CVE-2025-55247 report
- https://www.cve.org/CVERecord?id=CVE-2025-55247 advisory
- https://www.cve.org/CVERecord?id=CVE-2025-55248 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-55248 advisory
- https://access.redhat.com/security/cve/CVE-2025-55315 report
- https://nvd.nist.gov/vuln/detail/CVE-2025-55315 advisory