EulerOS 2.0 SP13 : libarchive (EulerOS-SA-2026-2294)

According to the versions of the libarchive packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A flaw was identified in the RAR5 archive decompression logic of the libarchive library, specifically within the archivereaddata processing...

Incorrect Bitwise Shift of Integer

Overview Affected versions of this package are vulnerable to Incorrect Bitwise Shift of Integer in the zisofs decompression process due to improper validation of the pzlog2bs field from ISO9660 Rock Ridge extensions. An attacker can cause application crashes and service disruption by supplying a...

CVE-2026-4426

A flaw was found in libarchive. An Undefined Behavior vulnerability exists in the zisofs decompression logic, caused by improper validation of a field pzlog2bs read from ISO9660 Rock Ridge extensions. A remote attacker can exploit this by supplying a specially crafted ISO file. This can lead to...

CVE-2026-4426

A flaw was found in libarchive. An Undefined Behavior vulnerability exists in the zisofs decompression logic, caused by improper validation of a field pzlog2bs read from ISO9660 Rock Ridge extensions. A remote attacker can exploit this by supplying a specially crafted ISO file. This can lead to...

CVE-2026-4426 Libarchive: libarchive: denial of service via malformed iso file processing

A flaw was found in libarchive. An Undefined Behavior vulnerability exists in the zisofs decompression logic, caused by improper validation of a field pzlog2bs read from ISO9660 Rock Ridge extensions. A remote attacker can exploit this by supplying a specially crafted ISO file. This can lead to...

CVE-2026-4426 Libarchive: libarchive: denial of service via malformed iso file processing

A flaw was found in libarchive. An Undefined Behavior vulnerability exists in the zisofs decompression logic, caused by improper validation of a field pzlog2bs read from ISO9660 Rock Ridge extensions. A remote attacker can exploit this by supplying a specially crafted ISO file. This can lead to...

CVE-2026-4426

CVE-2026-4426 concerns libarchive’s zisofs decompression logic where an ISO9660 Rock Ridge extension field pz_log2_bs is not properly validated. This Undefined Behavior can lead to incorrect memory allocation and a denial-of-service via crafted ISO files, with remote attack vector and user intera...

PT-2026-26290

Name of the Vulnerable Software and Affected Versions libarchive affected versions not specified Description An issue exists in libarchive’s zisofs decompression logic. Improper validation of the pz log2 bs field read from ISO9660 Rock Ridge extensions can lead to undefined behavior. An attacker...