CVE-2020-11612

The ZlibDecoders in Netty 4.1.x before 4.1.46 allow for unbounded memory allocation while decoding a ZlibEncoded byte stream

published April 7, 2020

CVSS
—
EPSS
9%
Percentile
95.3
In the wild
Unconfirmed
What it is

The ZlibDecoders in Netty 4.1.x before 4.1.46 allow for unbounded memory allocation while decoding a ZlibEncoded byte stream. An attacker could send a large ZlibEncoded byte stream to the Netty server, forcing the server to allocate all of its free memory to a single decoder.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.09188 · 95.3th percentile
Published
2020-04-07T18:00Z
EPSS history
Timeline
  • 07 APR 18:00Z
    The ZlibDecoders in Netty 4.1.x before 4.1.46 allow for unbounded memory allocation while decoding a ZlibEncoded byte stream
    cvelistv5