PT-2026-47956

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description An integer underflow wrap or wraparound occurs in Microsoft Office Excel, which allows an unauthorized attacker to execute arbitrary code locally or remotely, potentially...

Fedora 45 : vorbis-tools (2026-9c00940406)

The remote Fedora 45 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-9c00940406 advisory. Automatic update for vorbis-tools-1.4.3-5.fc45. Changelog Tue Jun 9 2026 Luk Zaoral - 1:1.4.3-5 - CVE-2026-34253 - fix arbitrary code execution via buffer...

RHEL 9 : krb5 (RHSA-2026:24683)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:24683 advisory. Kerberos is a network authentication system, which can improve the security of your network by eliminating the insecure practice of sending password...

Linux Distros Unpatched Vulnerability : CVE-2026-11789

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in 389 Directory Server. The SMD5 password storage plugin performs unsigned integer underflow when computing salt length from a crafted passwor...

PT-2026-47895

Name of the Vulnerable Software and Affected Versions Windows NT OS Kernel affected versions not specified Description An integer underflow wrap or wraparound in the kernel allows an authorized attacker to elevate privileges locally. This issue can be used as a post-breach maneuver to gain full...

PT-2026-47902

Name of the Vulnerable Software and Affected Versions Windows Performance Monitor affected versions not specified Description An integer underflow wrap or wraparound in Windows Performance Monitor allows an unauthorized attacker to execute code over a network. This condition can lead to remote co...

Security Updates for Microsoft Excel Products (June 2026)

The Microsoft Excel Products are missing a security update. They are, therefore, affected by multiple vulnerabilities: - Integer underflow wrap or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally. CVE-2026-44817, CVE-2026-44818, CVE-2026-44820,...

PT-2026-47935

Name of the Vulnerable Software and Affected Versions Microsoft Office Excel affected versions not specified Description An integer underflow wrap or wraparound occurs in Microsoft Office Excel, which allows an unauthorized attacker to execute arbitrary code locally or remotely, affecting the...

Microsoft Office Excel 竞争条件问题漏洞

Microsoft Excel is a spreadsheet software within the Office suite developed by the American company Microsoft. There is a code execution vulnerability in Microsoft Excel, and attackers can exploit this vulnerability to execute arbitrary code on the system...

Microsoft Office Excel 缓冲区错误漏洞

Microsoft Excel is a spreadsheet software within the Office suite developed by the American company Microsoft. There is a code execution vulnerability in Microsoft Excel, and attackers can exploit this vulnerability to execute arbitrary code on the system...

Microsoft Office Excel 缓冲区错误漏洞

Microsoft Office Excel is a spreadsheet software developed by Microsoft in the United States. There is a security vulnerability in Microsoft Office Excel, which stems from integer underflow. This vulnerability may allow unauthorized attackers to execute code locally...

RHEL 9 : krb5 (RHSA-2026:24686)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:24686 advisory. Kerberos is a network authentication system, which can improve the security of your network by eliminating the insecure practice of sending password...

Security Updates for Microsoft Office Online Server (June 2026)

The Microsoft Office Online Server or Office Web Apps installation on the remote host is missing security updates. It is, therefore, affected by multiple vulnerabilities: - Integer underflow wrap or wraparound in Microsoft Office Excel allows an unauthorized attacker to execute code locally...

CVE-2026-44631 Apache HTTP Server: Heap Underflow in `ap_regname` via Signed Char Overflow

Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue...

CVE-2026-44631 Apache HTTP Server: Heap Underflow in `ap_regname` via Signed Char Overflow

Buffer Underwrite vulnerability in Apache HTTP Server on crafted regular expressions in the configuration. This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67. Users are recommended to upgrade to version 2.4.68, which fixes the issue...

CVE-2026-49494

Comodo Internet Security's firewall driver Inspect.sys contains an integer underflow in its IPv6 packet parser. The parser decrements an unsigned 64-bit payload-length value taken from the IPv6 fixed header's payload length field by the size of each IPv6 extension header without validating it, so...

frr: denial of service via crafted BGP UPDATE message

A flaw was found in FRRouting FRR. An unauthenticated remote attacker can exploit an integer underflow vulnerability by supplying a specially crafted BGP Border Gateway Protocol UPDATE message. This issue can lead to a Denial of Service DoS...

xorg: xwayland: X.Org X server: Denial of Service via integer underflow in XKB compatibility map handling

A flaw was found in the X.Org X server. This integer underflow vulnerability, specifically in the XKB compatibility map handling, allows an attacker with local or remote X11 server access to trigger a buffer read overrun. This can lead to memory-safety violations and potentially a denial of servi...

Medium: vorbis-tools

Issue Overview: A buffer underflow vulnerability has been identified in the ogg123 utility from the vorbis-tools 1.4.3 package in function remotethread in remote.c. This vulnerability occurs in the remote control functionality when processing malformed input, leading to a stack buffer underflow...

Important: gnutls

Issue Overview: A remotely triggerable underflow in the DTLS reassembly code led to a heap overrun. The issue was reported in the issue tracker as 1811 by Joshua Rogers of AISLE Research Team. CVE-2026-33845 Affected Packages: gnutls Issue Correction: Run dnf update gnutls --releasever...