CVE-2026-66034

libssh2 through 1.11.1, fixed in commit a13bb6c, contains a missing bounds check vulnerability that allows a malicious SSH server to trigger an arbitrary-length heap out-of-bounds read and a free of an uninitialized pointer via the publickey subsystem. In libssh2publickeylistfetch, the version 1...

PT-2026-64381

Name of the Vulnerable Software and Affected Versions libssh2 versions prior to 1.11.1 Description A missing bounds check in the publickey subsystem allows a malicious SSH server to trigger an arbitrary-length heap out-of-bounds read and the free of an uninitialized pointer. In the libssh2...

Updated libssh2 packages fix security vulnerabilities

The updated packages fix security vulnerabilities: Heap Buffer Over-read via sftpsymlink in sftp.c. CVE-2025-15661 libssh2 userauth.c userauthpassword integer overflow. CVE-2026-7598 Pre-Authentication DoS via SSHMSGEXTINFO Handler. CVE-2026-55199 Out-of-Bounds Write via Unchecked packetlength in...

MGASA-2026-0273 Updated libssh2 packages fix security vulnerabilities

The updated packages fix security vulnerabilities: Heap Buffer Over-read via sftpsymlink in sftp.c. CVE-2025-15661 libssh2 userauth.c userauthpassword integer overflow. CVE-2026-7598 Pre-Authentication DoS via SSHMSGEXTINFO Handler. CVE-2026-55199 Out-of-Bounds Write via Unchecked packetlength in...

CVE-2026-53398

A flaw was found in the Linux kernel's Network File System Daemon NFSD. The nfsd4decodesecinfononame function does not properly initialize a pointer sinexp before processing an incoming data stream. If the data stream is malformed or truncated, the uninitialized pointer can retain stale data from...

wireshark security update

4.4.2-10.0.1 - Fix post script to not fail during initial installation Orabug: 37565359 1:4.4.2-10 - Resolves: RHEL-173221 - CVE-2026-5656 Improper Limitation of a Pathname to a Restricted Directory 1:4.4.2-9 - Resolves: RHEL-173218 - CVE-2026-5405 Heap-based Buffer Overflow 1:4.4.2-8 - Resolves:...

PYSEC-2026-2777 Open Babel has uninitialized pointer dereference in PQS pFormat

Summary A memory-safety vulnerability in Open Babel's PQS parser caused an uninitialized pointer dereference when reading a crafted input file. Details The flaw was in the pFormat handling of the PQS reader. A malformed input caused the parser to dereference a format pointer that had never been...

PYSEC-2026-2787 Open Babel has uninitialized pointer dereference in GRO residue parser

Summary A memory-safety vulnerability in Open Babel's GRO parser caused an uninitialized pointer dereference when reading a crafted input file. Details The flaw was in the residue handling of the GRO reader. A malformed record caused the parser to use a residue pointer that had never been...

ROS-20260713-73-0010

The vulnerability involves access to an uninitialized pointer. Exploiting this vulnerability could allow a attacker to cause a service failure...

Oracle Linux 7 : tigervnc (ELSA-2026-22456)

The remote Oracle Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-22456 advisory. - Fix CVE-2026-33999, CVE-2026-34000, CVE-2026-34001, CVE-2026-34002, CVE-2026-34003 and CVE-2026-34352 Orabug: 39478221 - Fix CVE-2025-62229:...

tigervnc security update

1.8.0-33.0.11 - Fix CVE-2026-33999, CVE-2026-34000, CVE-2026-34001, CVE-2026-34002, CVE-2026-34003 and CVE-2026-34352 Orabug: 39478221 1.8.0-33.0.9 - Fix CVE-2025-62229: xorg-x11-server: Use-after-free in XPresentNotify structures creation Orabug: 38694278 - Fix CVE-2025-62230: xorg-x11-server:...

The vulnerability of the tcf_ife_dump() function in the net/sched/act_ife.c module of the network/sched/control subsystem of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the tcfifedump function in the net/sched/actife.c module of the net/sched subsystem of the Linux operating system is related to access to an uninitialized pointer. Exploiting this vulnerability could allow an attacker to cause a service failure...

EUVD-2022-49099

Open Babel has uninitialized pointer dereference in PQS pFormat...

GHSA-8QXC-57HF-HC9J Open Babel has uninitialized pointer dereference in PQS pFormat

Summary A memory-safety vulnerability in Open Babel's PQS parser caused an uninitialized pointer dereference when reading a crafted input file. Details The flaw was in the pFormat handling of the PQS reader. A malformed input caused the parser to dereference a format pointer that had never been...

EUVD-2022-47394

Open Babel has uninitialized pointer dereference in MSI atom parser...

GHSA-JR2X-6QF6-Q5MC Open Babel has uninitialized pointer dereference in MSI atom parser

Summary A memory-safety vulnerability in Open Babel's MSI parser caused an uninitialized pointer dereference when reading a crafted input file. Details The flaw was in the atom handling of the MSI reader. A malformed record caused the parser to dereference an atom pointer that had never been...

EUVD-2022-45947

Open Babel has uninitialized pointer dereference in GRO residue parser...

GHSA-MW5R-WQ2M-397C Open Babel has uninitialized pointer dereference in GRO residue parser

Summary A memory-safety vulnerability in Open Babel's GRO parser caused an uninitialized pointer dereference when reading a crafted input file. Details The flaw was in the residue handling of the GRO reader. A malformed record caused the parser to use a residue pointer that had never been...

SUSE CVE-2026-58051

libssh2 through 1.11.1 grows its publickey list with SSH2REALLOC but does not zero-initialize new entries before parsing populates them, so a parse failure reaching the cleanup path leaves libssh2publickeylistfree operating on an uninitialized entry. A malicious SSH server offering the publickey...

DEBIAN-CVE-2026-58051

libssh2 through 1.11.1 grows its publickey list with SSH2REALLOC but does not zero-initialize new entries before parsing populates them, so a parse failure reaching the cleanup path leaves libssh2publickeylistfree operating on an uninitialized entry. A malicious SSH server offering the publickey...