CVE-2026-106971
An integer overflow in the MessagePack\BufferUnpacker component of rybakit/msgpack versions prior…
- Risk score
- 51/100
- CVSS
- 7.5 v3.1
- Exploit chance (30 days)
- 0.2%
- Published
- 28 Oct 2026
Open in the live forecast Today's forecast
What to know
- What it is
- An integer overflow in the MessagePack\BufferUnpacker component of rybakit/msgpack versions prior to 0.11.0 allows attackers to cause a denial of service via crafted MessagePack input when the application runs on 32-bit PHP
- Affected
- See advisory
- Fix
- Upgrade the product to 0.11.0 or later.
- Exploitation
- No known exploitation
Why it is Yellow
- CVSS 7.5 high
- Remotely exploitable without logging in
References
Original description
An integer overflow in the MessagePack\BufferUnpacker component of rybakit/msgpack versions prior to 0.11.0 allows attackers to cause a denial of service via crafted MessagePack input when the application runs on 32-bit PHP
Last activity 28 Oct 2026. Patch Forecast updates every hour.