CVE-2026-27820

CVE-2026-27820 is a buffer overflow in the Ruby zlib interface’s Zlib::GzipReader caused by zstream_buffer_ungets not ensuring sufficient Ruby string capacity before memmove. Affected: zlib gem v3.2.0/3.2.1 and earlier (3.0.0 and below, 3.1.0/3.1.1, 3.2.0/3.2.1). Impact: memory corruption when bu...

Zlib security vulnerabilities

Zlib is a general-purpose data compression library developed by Mark Adler in the United States. Zlib versions 3.0.0 and earlier, as well as versions 3.1.0, 3.1.1, 3.2.0, and 3.2.1, contain security vulnerabilities. These vulnerabilities stem from a buffer overflow in Zlib::GzipReader, which may...

Linux Distros Unpatched Vulnerability : CVE-2026-27820

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader

A flaw was found in zlib, a Ruby interface for the zlib compression/decompression library. The Zlib::GzipReader component contains a buffer overflow vulnerability. This occurs because the zstreambufferungets function does not ensure sufficient memory capacity before moving existing data, which ca...

zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader

A flaw was found in zlib, a Ruby interface for the zlib compression/decompression library. The Zlib::GzipReader component contains a buffer overflow vulnerability. This occurs because the zstreambufferungets function does not ensure sufficient memory capacity before moving existing data, which ca...

Buffer overflow vulnerability in Zlib::GzipReader

A buffer overflow vulnerability exists in Zlib::GzipReader. This vulnerability has been assigned the CVE identifier CVE-2026-27820. We recommend upgrading the zlib gem. Details The zstreambufferungets function prepends caller-provided bytes ahead of previously produced output but fails to guarant...

PT-2026-23418

Name of the Vulnerable Software and Affected Versions Zlib versions prior to the patched version. Description A buffer overflow issue exists in the Zlib::GzipReader component. The vulnerability could potentially allow for unexpected behavior. Recommendations Update to the patched version to resol...

MiracleLinux 9 : grafana-pcp-3.2.0-3.el9 (AXSA:2023-4824:01)

The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2023-4824:01 advisory. golang: net/http: improper sanitization of Transfer-Encoding header CVE-2022-1705 golang: io/fs: stack exhaustion in Glob CVE-2022-30630 golang:...

MiracleLinux 9 : runc-1.1.12-2.el9 (AXSA:2024-7794:03)

The remote MiracleLinux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2024-7794:03 advisory. golang: io/fs: stack exhaustion in Glob CVE-2022-30630 golang: compress/gzip: stack exhaustion in Reader.Read CVE-2022-30631 golang: path/filepath:...

RockyLinux 8 : container-tools:4.0 (RLSA-2023:2802)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2023:2802 advisory. golang: net/http: improper sanitization of Transfer-Encoding header CVE-2022-1705 golang: go/parser: stack exhaustion in all Parse functions CVE-2022-196...

RLSA-2023:2802 Moderate: container-tools:4.0 security and bug fix update

The container-tools module contains tools for working with containers, notably podman, buildah, skopeo, and runc. Security Fixes: golang: net/http: improper sanitization of Transfer-Encoding header CVE-2022-1705 golang: go/parser: stack exhaustion in all Parse functions CVE-2022-1962 golang:...

golang: compress/gzip: stack exhaustion in Reader.Read

A flaw was found in golang. Calling the Reader, Read method on an archive that contains a large number of concatenated 0-length compressed files can cause a panic issue due to stack exhaustion...

golang: compress/gzip: stack exhaustion in Reader.Read

A flaw was found in golang. Calling the Reader, Read method on an archive that contains a large number of concatenated 0-length compressed files can cause a panic issue due to stack exhaustion...

SUSE CVE-2022-30631

Uncontrolled recursion in Reader.Read in compress/gzip before Go 1.17.12 and Go 1.18.4 allows an attacker to cause a panic due to stack exhaustion via an archive containing a large number of concatenated 0-length compressed files...

golang: compress/gzip: stack exhaustion in Reader.Read

A flaw was found in golang. Calling the Reader, Read method on an archive that contains a large number of concatenated 0-length compressed files can cause a panic issue due to stack exhaustion...

golang:fuzz_std_lib_gzip_reader: Null-dereference READ in pthread_create

Detailed Report: https://oss-fuzz.com/testcase?key=6657697628160000 Project: golang Fuzzing Engine: libFuzzer Fuzz Target: fuzzstdlibgzipreader Job Type: libfuzzerasangolang Platform Id: linux Crash Type: Null-dereference READ Crash Address: 0x000000000000 Crash State: pthreadcreate...

golang: compress/gzip: stack exhaustion in Reader.Read

A flaw was found in golang. Calling the Reader, Read method on an archive that contains a large number of concatenated 0-length compressed files can cause a panic issue due to stack exhaustion...

golang: compress/gzip: stack exhaustion in Reader.Read

A flaw was found in golang. Calling the Reader, Read method on an archive that contains a large number of concatenated 0-length compressed files can cause a panic issue due to stack exhaustion...

golang: compress/gzip: stack exhaustion in Reader.Read

A flaw was found in golang. Calling the Reader, Read method on an archive that contains a large number of concatenated 0-length compressed files can cause a panic issue due to stack exhaustion...

golang: compress/gzip: stack exhaustion in Reader.Read

A flaw was found in golang. Calling the Reader, Read method on an archive that contains a large number of concatenated 0-length compressed files can cause a panic issue due to stack exhaustion...