PT-2026-64593

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free and double free issue exists in the pcc cpufreq do osc function during the two-phase OSC negotiation. The function calls acpi evaluate object twice; however, after the...

Linux Distros Unpatched Vulnerability : CVE-2026-64447

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - staging: media: ipu7: fix double-free and use-after-free in error paths In both ipu7isysinit and ipu7psysinit, pdata is allocated and then passed to...

Linux Distros Unpatched Vulnerability : CVE-2026-64386

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: fix queryinfo replay double-free A response-bearing attempt can return a replayable error and free its response buffer. If SMB2queryinfoinit fails...

PT-2026-64608

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A double-free issue exists in the SMB client. A response-bearing attempt may return a replayable error and free its response buffer. If the SMB2 query directory init function fails befor...

PT-2026-64605

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A double-free issue exists in the SMB client. A response-bearing attempt may return a replayable error and free its response buffer. If the SMB2 notify init function fails before the...

CVE-2026-66032

libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftpopen function in src/sftp.c that allows a malicious SSH server to corrupt the heap of any authenticated client opening an SFTP session. When a server responds to SSHFXPOPEN with SSHFXPSTATUS containin...

DEBIAN-CVE-2026-66032

libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftpopen function in src/sftp.c that allows a malicious SSH server to corrupt the heap of any authenticated client opening an SFTP session. When a server responds to SSHFXPOPEN with SSHFXPSTATUS containin...

CVE-2026-66032

libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftpopen function in src/sftp.c that allows a malicious SSH server to corrupt the heap of any authenticated client opening an SFTP session. When a server responds to SSHFXPOPEN with SSHFXPSTATUS containin...

UBUNTU-CVE-2026-66032

libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftpopen function in src/sftp.c that allows a malicious SSH server to corrupt the heap of any authenticated client opening an SFTP session. When a server responds to SSHFXPOPEN with SSHFXPSTATUS containin...

CVE-2026-66032

libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftpopen function in src/sftp.c that allows a malicious SSH server to corrupt the heap of any authenticated client opening an SFTP session. When a server responds to SSHFXPOPEN with SSHFXPSTATUS containin...

CVE-2026-66032 libssh2 Double-Free Heap Corruption via sftp_open()

libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftpopen function in src/sftp.c that allows a malicious SSH server to corrupt the heap of any authenticated client opening an SFTP session. When a server responds to SSHFXPOPEN with SSHFXPSTATUS containin...

CVE-2026-66032

libssh2

CVE-2026-66032

libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftpopen function in src/sftp.c that allows a malicious SSH server to corrupt the heap of any authenticated client opening an SFTP session. When a server responds to SSHFXPOPEN with SSHFXPSTATUS containin...

EUVD-2026-48719

libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftpopen function in src/sftp.c that allows a malicious SSH server to corrupt the heap of any authenticated client opening an SFTP session. When a server responds to SSHFXPOPEN with SSHFXPSTATUS containin...

CVE-2026-66032

libssh2 through 1.11.1, fixed in commit 5e47761, contains a double-free vulnerability in the sftpopen function in src/sftp.c that allows a malicious SSH server to corrupt the heap of any authenticated client opening an SFTP session. When a server responds to SSHFXPOPEN with SSHFXPSTATUS containin...

CVE-2026-64242

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: net2280: Fix double free in probe error path usbinitializegadget installs gadgetrelease as the release callback for the embedded gadget device. The struct net2280 instance is therefore released through gadgetrelease...

DEBIAN-CVE-2026-64242

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: net2280: Fix double free in probe error path usbinitializegadget installs gadgetrelease as the release callback for the embedded gadget device. The struct net2280 instance is therefore released through gadgetrelease...

DEBIAN-CVE-2026-64224

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: fix double free in rvureprsrcinit rvureprsrcinit allocates queue memory before calling otx2inithwresources. When hardware resource setup fails, otx2inithwresources already unwinds the partially initialized SQ, CQ, a...

CVE-2026-64224

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: fix double free in rvureprsrcinit rvureprsrcinit allocates queue memory before calling otx2inithwresources. When hardware resource setup fails, otx2inithwresources already unwinds the partially initialized SQ, CQ, a...

CVE-2026-64222

In the Linux kernel, the following vulnerability has been resolved: octeontx2-pf: avoid double free of pool-stack on AQ init failure otx2poolaqinit frees pool-stack when mailbox sync or retry allocation fails, but leaves the pointer unchanged. Later, otx2sqaurapoolinit unwinds the partial setup...