CVE-2026-45463: Integer Underflow (Wrap or Wraparound)

Integer underflow wrap or wraparound in Microsoft Office allows an unauthorized attacker to execute code locally...

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,...

CVE-2026-11789: Integer Underflow (Wrap or Wraparound)

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...

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...

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...

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...

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...

CVE-2026-49494 Xcitium Client Security / Comodo Internet Security Remote Denial of Service

Xcitium Client Security XCS before 13.8.2.10019 and Comodo Internet Security CIS through 12.3.4.8162 fix expected by 2026 Q3 contain an integer underflow vulnerability in the firewall driver Inspect.sys that allows remote unauthenticated attackers to crash the system by sending a crafted IPv6...

CVE-2026-49494 Xcitium Client Security / Comodo Internet Security Remote Denial of Service

Xcitium Client Security XCS before 13.8.2.10019 and Comodo Internet Security CIS through 12.3.4.8162 fix expected by 2026 Q3 contain an integer underflow vulnerability in the firewall driver Inspect.sys that allows remote unauthenticated attackers to crash the system by sending a crafted IPv6...

CVE-2026-49494: Integer Underflow (Wrap or Wraparound)

Xcitium Client Security XCS before 13.8.2.10019 and Comodo Internet Security CIS through 12.3.4.8162 fix expected by 2026 Q3 contain an integer underflow vulnerability in the firewall driver Inspect.sys that allows remote unauthenticated attackers to crash the system by sending a crafted IPv6...

Comodo Internet Security 数字错误漏洞

Comodo Internet Security is a set of computer security software developed by the American company Comodo, primarily aimed at internet security. Comodo Internet Security has a digital error vulnerability; this vulnerability stems from an integer underflow in the IPv6 packet resolver within the...

CVE-2026-50593

Graphite before 1.3.15 has an integer underflow and resultant out-of-bounds write via Graphite actions, because slotat does not ensure that an offset is within the allowed slot-map range...

SUSE CVE-2026-50593

Graphite before 1.3.15 has an integer underflow and resultant out-of-bounds write via Graphite actions, because slotat does not ensure that an offset is within the allowed slot-map range...

CVE-2026-5589

An integer underflow in btmeshsolrecv in the Bluetooth Mesh solicitation handling subsys/bluetooth/mesh/solicitation.c leads to an out-of-bounds write. When CONFIGBTMESHODPRIVPROXYSRV is enabled, the function parses solicitation PDUs from raw BLE advertising payloads. The AD parsing loop reads an...

CVE-2026-5778

Integer underflow in wolfSSL packet sniffer = 5.9.0 allows an attacker to cause a program crash in the AEAD decryption path by injecting a TLS record shorter than the explicit IV plus authentication tag into traffic inspected by sslDecodePacket. The underflow wraps a 16-bit length to a large valu...

CVE-2026-37534

Integer underflow vulnerability in Open-SAE-J1939 thru commit b6caf884df46435e539b1ecbf92b6c29b345bdfe 2025-11-30 in SAEJ1939ReadTransportProtocolDataTransfer,allows attackers to write to arbitrary memory via crafted sequence number from the CAN frame...

CVE-2026-7423

Integer underflow in the ICMP and ICMPv6 echo reply handlers in FreeRTOS-Plus-TCP before V4.4.1 and V4.2.6 allows an adjacent network user to cause a denial of service device crash when outgoing ping support is enabled, because header sizes are subtracted from a packet length field without...

CVE-2026-34667

CAI Content Credentials versions [email protected], c2pa-v0.78.2 and earlier are affected by an Integer Underflow Wrap or Wraparound vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a...

CVE-2026-34672

CAI Content Credentials versions [email protected], c2pa-v0.78.2 and earlier are affected by an Integer Underflow Wrap or Wraparound vulnerability that could result in an application denial-of-service. An attacker could exploit this vulnerability to crash the application, leading to a...