EUVD-2026-35421

A flaw was found in 389 Directory Server. The SMD5 password storage plugin performs unsigned integer underflow when computing salt length from a crafted password hash shorter than 16 bytes, causing a buffer over-read that crashes the LDAP server during authentication...

CVE-2026-11789

A flaw was found in 389 Directory Server. The SMD5 password storage plugin performs unsigned integer underflow when computing salt length from a crafted password hash shorter than 16 bytes, causing a buffer over-read that crashes the LDAP server during authentication...

CVE-2026-11789 389-ds-base: 389-ds-base: smd5 password storage plugin salt length integer underflow crash

A flaw was found in 389 Directory Server. The SMD5 password storage plugin performs unsigned integer underflow when computing salt length from a crafted password hash shorter than 16 bytes, causing a buffer over-read that crashes the LDAP server during authentication...

CVE-2026-11789

Affected software : 389 Directory Server (389-ds-base). Vulnerable component : SMD5 password storage plugin. Root cause : unsigned integer underflow when computing salt length from a crafted password hash shorter than 16 bytes, causing a buffer over-read and LDAP server crash during authenticatio...

CVE-2026-11789 389-ds-base: 389-ds-base: smd5 password storage plugin salt length integer underflow crash

A flaw was found in 389 Directory Server. The SMD5 password storage plugin performs unsigned integer underflow when computing salt length from a crafted password hash shorter than 16 bytes, causing a buffer over-read that crashes the LDAP server during authentication...

krb5: MIT Kerberos 5 (krb5): Denial of Service via integer underflow and out-of-bounds read

A flaw was found in MIT Kerberos 5 krb5. An unauthenticated remote attacker can exploit an integer underflow and an out-of-bounds read vulnerability by calling gssacceptseccontext on a system with a NegoEx mechanism registered. This can lead to the process terminating, resulting in a Denial of...

Important: Red Hat Security Advisory: krb5 security update

An update for krb5 is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

krb5: MIT Kerberos 5 (krb5): Denial of Service via integer underflow and out-of-bounds read

A flaw was found in MIT Kerberos 5 krb5. An unauthenticated remote attacker can exploit an integer underflow and an out-of-bounds read vulnerability by calling gssacceptseccontext on a system with a NegoEx mechanism registered. This can lead to the process terminating, resulting in a Denial of...

Important: Red Hat Security Advisory: krb5 security update

An update for krb5 is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

krb5: MIT Kerberos 5 (krb5): Denial of Service via integer underflow and out-of-bounds read

A flaw was found in MIT Kerberos 5 krb5. An unauthenticated remote attacker can exploit an integer underflow and an out-of-bounds read vulnerability by calling gssacceptseccontext on a system with a NegoEx mechanism registered. This can lead to the process terminating, resulting in a Denial of...

PT-2026-47907

Name of the Vulnerable Software and Affected Versions Microsoft Windows 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. Integer underflow occurs when an arithmetic...

PT-2026-47779

Name of the Vulnerable Software and Affected Versions 389 Directory Server affected versions not specified Description A flaw in the SMD5 password storage plugin allows an unsigned integer underflow when calculating the salt length from a crafted password hash shorter than 16 bytes. This leads to...

PT-2026-47906

Name of the Vulnerable Software and Affected Versions Windows 10 Version 1607 Description An integer underflow wrap or wraparound in the Windows NT OS Kernel, specifically within the WMI Windows Management Instrumentation subsystem, allows an authorized local attacker to elevate privileges to NT...

X.Org Server XkbSetCompatMap Integer Underflow Privilege Escalation Vulnerability

This vulnerability allows local attackers to escalate privileges on affected installations of X.Org Server. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handling of...

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...

PT-2026-47938

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...

PT-2026-47932

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 could allow an unauthorized attacker to execute code locally. Recommendations At the moment, the...

389 Directory Server 数字错误漏洞

389 Directory Server is an open-source implementation of a highly available, fully functional, reliable, and secure LDAP server. 389 Directory Server has a numerical error vulnerability, which stems from the SMD5 password storage plugin executing an unsigned integer underflow when calculating...

Microsoft Office Excel 数字错误漏洞

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 code locally...

Microsoft Office Excel 缓冲区错误漏洞

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