BIT-PYTHON-2025-13462 tarfile: Skip DIRTYPE normalization during GNU LONGNAME/LONGLINK handling

The "tarfile" module would still apply normalization of AREGTYPE \x00 blocks to DIRTYPE, even while processing a multi-block member such as GNUTYPELONGNAME or GNUTYPELONGLINK. This could result in a crafted tar archive being misinterpreted by the tarfile module compared to other implementations...

DEBIAN-CVE-2025-13462

The "tarfile" module would still apply normalization of AREGTYPE \x00 blocks to DIRTYPE, even while processing a multi-block member such as GNUTYPELONGNAME or GNUTYPELONGLINK. This could result in a crafted tar archive being misinterpreted by the tarfile module compared to other implementations...

CVE-2025-13462 tarfile: Skip DIRTYPE normalization during GNU LONGNAME/LONGLINK handling

The "tarfile" module would still apply normalization of AREGTYPE \x00 blocks to DIRTYPE, even while processing a multi-block member such as GNUTYPELONGNAME or GNUTYPELONGLINK. This could result in a crafted tar archive being misinterpreted by the tarfile module compared to other implementations...

CVE-2025-13462

CVE-2025-13462 concerns the Python tarfile module: it would normalize AREGTYPE (\x00) blocks to DIRTYPE even when processing GNU LONGNAME/LONGLINK multiblock members, which could cause a crafted tar archive to be interpreted differently from other implementations. Affected stack/impact are descri...

CVE-2025-13462 tarfile: Skip DIRTYPE normalization during GNU LONGNAME/LONGLINK handling

The "tarfile" module would still apply normalization of AREGTYPE \x00 blocks to DIRTYPE, even while processing a multi-block member such as GNUTYPELONGNAME or GNUTYPELONGLINK. This could result in a crafted tar archive being misinterpreted by the tarfile module compared to other implementations...

USN-8051-2: libssh vulnerabilities

USN-8051-1 fixed vulnerabilities in libssh. This update provides the corresponding updates for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that libssh clients incorrectly handled the key exchange process. A remote attacker could possibly...

USN-8051-2 libssh vulnerabilities

USN-8051-1 fixed vulnerabilities in libssh. This update provides the corresponding updates for Ubuntu 16.04 LTS, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. Original advisory details: It was discovered that libssh clients incorrectly handled the key exchange process. A remote attacker could possibly...

USN-8051-1: libssh vulnerabilities

It was discovered that libssh clients incorrectly handled the key exchange process. A remote attacker could possibly use this issue to cause libssh clients to crash, resulting in a denial of service. CVE-2025-8277 It was discovered that the libssh SCP client incorrectly sanitized paths received...

CVE-2026-23201

In the Linux kernel, the following vulnerability has been resolved: ceph: fix oops due to invalid pointer for kfree in parselongname This fixes a kernel oops when reading ceph snapshot directories .snap, for example by simply running ls /mnt/myceph/.snap. The variable str is guarded by freekfree,...

UBUNTU-CVE-2026-23201

In the Linux kernel, the following vulnerability has been resolved: ceph: fix oops due to invalid pointer for kfree in parselongname This fixes a kernel oops when reading ceph snapshot directories .snap, for example by simply running ls /mnt/myceph/.snap. The variable str is guarded by freekfree,...

CVE-2026-23201

In the Linux kernel, the following vulnerability has been resolved: ceph: fix oops due to invalid pointer for kfree in parselongname This fixes a kernel oops when reading ceph snapshot directories .snap, for example by simply running ls /mnt/myceph/.snap. The variable str is guarded by freekfree,...

CVE-2026-23201

In the Linux kernel, the following vulnerability has been resolved: ceph: fix oops due to invalid pointer for kfree in parselongname This fixes a kernel oops when reading ceph snapshot directories .snap, for example by simply running ls /mnt/myceph/.snap. The variable str is guarded by freekfree,...

CVE-2026-23201 ceph: fix oops due to invalid pointer for kfree() in parse_longname()

In the Linux kernel, the following vulnerability has been resolved: ceph: fix oops due to invalid pointer for kfree in parselongname This fixes a kernel oops when reading ceph snapshot directories .snap, for example by simply running ls /mnt/myceph/.snap. The variable str is guarded by freekfree,...

CVE-2026-23201

CVE-2026-23201: Linux kernel fix for ceph oops due to invalid pointer in kfree() within parse_longname(). Root cause was advancing the pointer to skip the initial '_' in ceph snapshot names, causing kfree() to receive an invalid pointer when listing .snap directories. The patch eliminates the poi...

CVE-2026-23201 ceph: fix oops due to invalid pointer for kfree() in parse_longname()

In the Linux kernel, the following vulnerability has been resolved: ceph: fix oops due to invalid pointer for kfree in parselongname This fixes a kernel oops when reading ceph snapshot directories .snap, for example by simply running ls /mnt/myceph/.snap. The variable str is guarded by freekfree,...

UBUNTU-CVE-2026-0968

A flaw was found in libssh in which a malicious SFTP SSH File Transfer Protocol server can exploit this by sending a malformed 'longname' field within an SSHFXPNAME message during a file listing operation. This missing null check can lead to reading beyond allocated memory on the heap. This can...

NULL Pointer Dereference

Overview Affected versions of this package are vulnerable to NULL Pointer Dereference in the sftpparselongname function. An attacker can cause a crash by sending SFTP messages with malformed longname field. Remediation Upgrade libssh to version 0.11.4 or higher. References - Libssh Security...

MiracleLinux 8 : libtar-1.2.20-17.el8 (AXSA:2023-5561:01)

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2023-5561:01 advisory. libtar: out-of-bounds read in gnulonglink CVE-2021-33643 libtar: out-of-bounds read in gnulongname CVE-2021-33644 libtar: memory leak found in threa...

PT-2026-20977

Name of the Vulnerable Software and Affected Versions libssh-config versions prior to 0.11.4-1.1 Description A buffer underflow issue exists in the ssh get hexa function when processing invalid input. This can potentially lead to unexpected behavior or compromise the system. Recommendations Updat...

PT-2026-8209

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's Ceph implementation where an invalid pointer is passed to the kfree function within the parse longname function. This occurs when reading Ceph snapsho...