CVE-2026-48510
1 advisory.
NuGet/MessagePack CVE-2026-48510: high 7.5, EPSS 0.40%
MessagePack-CSharp: LZ4 decompression allocates from unbounded declared output lengths
Action: Upgrade MessagePack to 2.5.301 (2.x) or 3.1.7 (3.x) or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 2.5.301 | - |
| 3.0 | 3.1.7 | - |
Fixed versions
| 2.5.301 | 3.1.7 |
Sources
- osv: GHSA-v72x-2h86-7f8m
- https://github.com/MessagePack-CSharp/MessagePack-CSharp/security/advisories/GHSA-v72x-2h86-7f8m
- https://nvd.nist.gov/vuln/detail/CVE-2026-48510
- https://github.com/MessagePack-CSharp/MessagePack-CSharp
CVE-2026-48510 · published · modified · JSON