Machine-written summary
Summary written by Claude Haiku from the source advisory. Not reviewed by a person.
System.IO.Packaging is vulnerable to denial of service in the affected versions listed for .NET 6, .NET 8 and .NET 9 preview and release candidate builds. The source says untrusted input can influence algorithmically complex operations, but it does not describe the required access or the exact conditions for exploitation. Upgrade to 6.0.1, 8.0.1, or 9.0.0-rc.2.24473.5, depending on the version in use.
Not analysed yet
We haven’t published our analysis of this Advisory yet. Once a person has reviewed it, this page will say what’s vulnerable, what has to be true for your app to be affected, and how to check.
Severity and exploitation
| Score | Rating | CVSS | Vector | Source |
|---|---|---|---|---|
| 7.5 | High | 3.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C | CNA (microsoft) |
- CISA KEV Not listed.
- EPSS 0.030, the 87th percentile, on 11 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.
Timeline
- 8 Oct 2024, 17:31 UTC Published by the maintainers as a GitHub repository advisory
- 31 Oct 2026, 15:22 UTC First seen by agentprime
- 31 Oct 2026, 15:22 UTC Confirmed by OSV
Sources
- GitHub Advisory Database: GHSA-f32c-w444-8ppv
- OSV: GHSA-f32c-w444-8ppv
- github.com/dotnet/runtime/security/advisories/GHSA-f32c-w444-8ppv
- nvd.nist.gov/vuln/detail/CVE-2024-43484
- github.com/dotnet/announcements/issues/328
- github.com/dotnet/runtime/issues/108676
- github.com/dotnet/runtime
- msrc.microsoft.com/update-guide/vulnerability/CVE-2024-43484
- security.netapp.com/advisory/ntap-20250328-0007