Improper resource allocation - Buffer overflow In ruby3.1
Description
zlib is a Ruby interface for the zlib compression/decompression library. Versions 3.0.0 and below, 3.1.0, 3.1.1, 3.2.0 and 3.2.1 contain a buffer overflow vulnerability in the Zlib::GzipReader. The zstream_buffer_ungets function prepends caller-provided bytes ahead of previously produced output but fails to guarantee the backing Ruby string has enough capacity before the memmove shifts the existing data. This can lead to memory corruption when the buffer length exceeds capacity. This issue has been fixed in versions 3.0.1, 3.1.2 and 3.2.3.
Mitigation
Update Impact
Minimal update. May introduce new vulnerabilities or breaking changes.
Ecosystem | Component | Affected version | Patched versions |
|---|---|---|---|
 debian 12 | - | ||
debian 14 | - | ||
 rpm rhel10 | 0:4.0.6-36.el10_2 | ||
 alpine v3.23 | 3.4.9-r0 | ||
 rubygems | 3.2.3, 3.1.2, 3.0.1 | ||
rpm rhel7 | - | - | |
rpm rhel6 | - | - | |
debian 13 | - | ||
rpm rhel10 | 0:3.3.12-14.el10_2 | ||
rpm rhel9 | - | - |
1-10 of 12
10
Aliases
References