AlmaLinux 8 : tigervnc (ALSA-2026:28923)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:28923 advisory. xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: stack buffer overflow in font alias resolution due to libXfont2 name length mismatch...

PT-2026-52238

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs in the xe driver during suspend or shutdown when no display is present. The driver uses the xe-info.probe display variable to track display hardware...

PT-2026-52270

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ovl iterate merged function where the err variable is assigned the value of PTR ERRcache before verifying if cache is an error using IS ERRcache. When the operatio...

PT-2026-52269

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds write exists in the heap memory of the Linux kernel within the ethosu gem cmdstream copy and validate function. The issue occurs during the command stream parsing loop...

Linux Distros Unpatched Vulnerability : CVE-2026-52993

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tipc: fix double-free in tipcbufappend tipcmsgvalidate can potentially reallocate the skb it is validating, freeing the old one. In tipcbufappend, it was being...

PT-2026-52355

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the TCP implementation where a reference count underflow can occur in the inet csk reqsk queue drop function, potentially leading to a use-after-free condition. This...

RHEL 9 : tigervnc (RHSA-2026:29844)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:29844 advisory. Virtual Network Computing VNC is a remote display system which allows users to view a computing desktop environment not only on the machine...

RockyLinux 8 : tigervnc (RLSA-2026:28923)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:28923 advisory. xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: stack buffer overflow in font alias resolution due to libXfont2 name length mismatch...

Inherited Circuits, Learned Semantics: How Fine-Tuning Creates Evasion Vulnerabilities Invisible to Standard Evaluation

LLMs fine-tuned for security classification are usually evaluated on held-out examples from the same distribution as their training data. We show that this can miss vulnerabilities introduced by fine-tuning itself: models can learn token-level indicator semantics that preserve canonical accuracy...

PT-2026-52338

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists where an uninitialized stack variable is used within the rseq exit user update function. This occurs because the evaluation order of expressions in an initializer list is...

PT-2026-52625

Name of the Vulnerable Software and Affected Versions Cacti versions prior to 1.2.31 Description Cacti is an open source performance and fault management framework. The software is subject to Session Fixation because the session regenerate id function is not called after a successful login. In th...

PT-2026-52624

Name of the Vulnerable Software and Affected Versions Cacti versions prior to 1.2.31 Description An open redirect issue exists due to the use of a substring check instead of a host check within the str contains$referer, CACTI PATH URL logic. When the login opts variable is set to '1', the auth...

PT-2026-52246

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the thunderbolt component where the tb property entry valid function accepts entries with a length of 0 for DIRECTORY, DATA, and TEXT types. A zero-length TEXT entry...

PT-2026-52447

Name of the Vulnerable Software and Affected Versions Nokogiri versions prior to 1.19.4 Description Nokogiri is an open source XML and HTML library for the Ruby programming language. The Nokogiri::XML::NodeSet function and its alias slice performs a bounds check on the requested index using a...

PT-2026-52654

Name of the Vulnerable Software and Affected Versions Lemur affected versions not specified Description An authorization bypass exists in the PUT /api/1/roles/ endpoint. The handler incorrectly allows any user who is a member of a specific role to modify that role, as the permission check is...

NSD -- vulnerabilities

NLnet Labs reports: CVE-2026-12244: A specially crafted SVCB RR can cause a heap overflow of up to 65509 attacker controlled bytes. If NSD is configured as secondary for a zone, the primary of that zone can crash NSD with an AXFR containing a DNS message with a special crafted SVCB RR with an rda...

PT-2026-52322

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the openvswitch component where the allocation of the reply skb socket buffer may occur either before or after locking the ovs mutex. If the allocation happens after...

PT-2026-52353

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak occurs during split 6 GHz scanning when the cfg80211 scan function fails. The rdev-int scan req variable is leaked because the cleanup process in cfg80211 scan done is...

PT-2026-52313

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the netfilter module where the nft exthdr init function passes a user-controlled priv-len variable to nft parse register store, which marks a specific number of bytes ...

PT-2026-52332

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A NULL pointer dereference occurs during the suspend and resume processes in the mvebu GPIO driver. The functions mvebu pwm suspend and mvebu pwm resume are executed for all GPIO banks;...