Weakness (CWE)
CWE-191: Integer Underflow (Wrap or Wraparound)
The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.
More detail
This can happen in signed and unsigned cases.
Source: MITRE CWE-191
516 results · Feed
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High 7.5
Skype for Business and Lync Denial of Service Vulnerability
Integer underflow (wrap or wraparound) in Skype for Business allows an unauthorized attacker to deny service over a network.
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Medium 6.5
Microsoft Windows SCSI Class System File Information Disclosure Vulnerability
Integer underflow (wrap or wraparound) in Microsoft Windows SCSI Class System File allows an unauthorized attacker to disclose information over a network.
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Medium 5.5
Microsoft SQL Server Information Disclosure Vulnerability
Integer underflow (wrap or wraparound) in SQL Server allows an authorized attacker to disclose information locally.
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High 8.8
Windows Remote Access Connection Manager Remote Code Execution Vulnerability
Integer underflow (wrap or wraparound) in Windows Remote Access Connection Manager allows an authorized attacker to execute code over a network.
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Critical 9.8
Microsoft Standard XPS Remote Code Execution Vulnerability
Integer underflow (wrap or wraparound) in Microsoft Standard XPS allows an unauthorized attacker to execute code over a network.
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High 7.8
Windows USB Audio Class driver (usbaudio.sys) Elevation of Privilege Vulnerability
Integer underflow (wrap or wraparound) in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
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High 7.8
Windows Kernel-Mode Driver Elevation of Privilege Vulnerability
Integer underflow (wrap or wraparound) in Windows Kernel Mode Driver allows an authorized attacker to elevate privileges locally.
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Medium 5.5
Push Message Routing Service Information Disclosure Vulnerability
Out-of-bounds read in Push Message Routing Service allows an authorized attacker to disclose information locally.
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High 7.8
Microsoft Standard XPS Elevation of Privilege Vulnerability
Integer underflow (wrap or wraparound) in Microsoft Standard XPS allows an authorized attacker to elevate privileges locally.
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High 8.0
Windows GDI+ Elevation of Privilege Vulnerability
Integer underflow (wrap or wraparound) in Windows GDI+ allows an authorized attacker to elevate privileges over a network.
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Medium 6.4
Windows File History Service Elevation of Privilege Vulnerability
Integer underflow (wrap or wraparound) in Windows File History Service allows an authorized attacker to elevate privileges locally.
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High 7.0
Windows USB Audio Class driver (usbaudio.sys) Elevation of Privilege Vulnerability
Time-of-check time-of-use (toctou) race condition in Windows USB Audio Class driver (usbaudio.sys) allows an authorized attacker to elevate privileges locally.
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Critical 9.8
Microsoft UxTheme Library (uxtheme.dll) Remote Code Execution Vulnerability
Integer underflow (wrap or wraparound) in Microsoft UxTheme Library (uxtheme.dll) allows an unauthorized attacker to execute code over a network.
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High 7.7
Memory Corruption vulnerability in SAP NetWeaver Application Server for ABAP and ABAP Platform
SAP NetWeaver Application Server for ABAP and ABAP Platform allows an unauthenticated user to send a specially crafted packet that triggers reprocessing of a previously buffered user request, potentially hijacking another user's session under narrow timing co…
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High 7.5
389-ds-base: 389-ds-base: heap buffer overflow via sasl wrapped-record length lower-bound underflow in sasl_io_start_packet()
A heap buffer overflow flaw was found in the SASL I/O layer of 389 Directory Server (389-ds-base). In sasl_io_start_packet(), the wrapped-record length read from the wire is validated only against an upper bound. A small wire length (0, 1, or 2) produces an e…
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High 7.5
MOOS essential-moos through 10.0.1 pMOOSBridge Heap Corruption via Negative UDP Length
MOOS essential-moos through 10.0.1 contains a buffer overflow vulnerability in CMOOSUDPLink::ReadPktFromArray() that allows remote attackers to corrupt heap memory by sending UDP datagrams with negative declared lengths. Attackers can send crafted UDP packets…
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High 8.7
RSLinx Classic® - Multiple Vulnerabilities
A denial-of-service security issue exists within RSLinx® Classic. A crafted CIP packet can cause the RSLinx® Classic service to crash due to insufficient data length validation, requiring a restart of the service to recover.
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High 8.7
RSLinx Classic® - Multiple Vulnerabilities
A denial-of-service security issue exists within RSLinx® Classic. A crafted CIP packet targeting the Forward Close service can cause the RSLinx® Classic service to crash, requiring a restart of the service to recover.
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High 7.4
NASA cFS cFE Software Bus cfe_sb_util.c CFE_SB_GetUserDataLength integer underflow
A security flaw has been discovered in NASA cFS up to 7.0.1. The affected element is the function CFE_SB_GetUserDataLength of the file src/cFS/cfe/modules/sb/fsw/src/cfe_sb_util.c of the component cFE Software Bus. Performing a manipulation of the argument To…
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Critical 9.6
Klever-Go: Marketplace settlement mints KLV when referral % + royalty % exceed the bid (negative seller share silently skipped)
Klever-Go is the Go implementation of the Klever blockchain protocol. Prior to 1.7.19, marketplace settlement in core/kapp/market/market.go reads MarketOrderData.ReferralPercentage from the listing while reading asset.Royalties.MarketPercentage live at purcha…
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Medium 6.5
gitoxide gix-packetline before 0.21.5 Denial of Service
gitoxide gix-packetline versions before 0.21.5 contain a panic vulnerability in the TextRef implementation that occurs when processing side-band packet lines with empty payloads. A malicious Git server can send a crafted side-band packet to trigger an index o…
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High 8.7
Fireware OS Pre-Authentication Out-of-Bounds Read in iked Allows Denial of Service (DoS)
An out-of-bounds read vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.
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High 8.7
Fireware OS Integer Underflow in iked Allows Unauthenticated Denial of Service (DoS)
An integer underflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.
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High 8.7
Fireware OS Integer Underflow in Iked Allows Unauthenticated Denial of Service (DoS)
An integer underflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to create a Denial of Service (DoS) condition in VPN processing by sending specially crafted network traffic.
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Critical 9.3
Fireware OS Pre-Authentication Stack Buffer Overflow in iked Allows Remote Code Execution
A stack-based buffer overflow vulnerability in the WatchGuard Fireware OS iked process allows a remote unauthenticated attacker to execute arbitrary code by sending specially crafted network traffic.
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Medium 5.3
wicked: integer underflow of the UDP length in ni_capture_inspect_udp_header() leads to an out-of-bounds read
An integer underflow was found in the DHCPv4 packet capture code of wicked. ni_capture_inspect_udp_header() in src/capture.c does not verify that the IP total length field (ip_len) is at least as large as the IP header length (ihl) before subtracting the head…
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Medium 6.9
Remote TCP DoS by throttling the TCP receive window
Any remote client can crash a NSD serve child, by throttling the TCP receive window after a TCP query. By continuously crashing the serve childs, the remote client can denial all TCP service to this NSD instance.
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Medium 6.2
CAI Content Credentials | Integer Underflow (Wrap or Wraparound) (CWE-191)
CAI Content Credentials is 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 denial-of-service conditi…
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High 7.5
CAI Content Credentials | Integer Underflow (Wrap or Wraparound) (CWE-191)
CAI Content Credentials is 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 denial-of-service conditi…
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Medium 6.2
CAI Content Credentials | Integer Underflow (Wrap or Wraparound) (CWE-191)
CAI Content Credentials is 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 denial-of-service conditi…
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High 7.5
Vulnerabilities in IBM AIX and PowerVM VIOS
IBM AIX 7.2, and 7.3 and IBM PowerVM VIOS 4.1 could allow a remote attacker to cause a denial of service due to an improper calculation of a memory offset during IPsec decapsulation.
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High 7.8
Heap out-of-bounds access in semctl(2)
The GETALL and SETALL commands in semctl(2) recorded the number of semaphores in the target set, dropped the lock protecting the set, allocated a buffer sized for that count, and reacquired the lock. A sequence-number check was used to verify that the set had…
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Medium 4.3
libheif: Integer underflow in Fraction constructor via double clap transform application
libheif is a HEIF and AVIF file format decoder and encoder. In 1.23.0 and earlier, a crafted HEIF or AVIF file containing a clean aperture box can reduce an image dimension to zero and crash or corrupt tiling results when heif_image_handle_get_image_tiling(ha…
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High 7.5
Netatalk has Integer Underflow → Stack Buffer Overflow in deletedir()
Netatalk is a Free and Open Source file server suite for Unix-like operating systems. In versions 3.1.19 through 4.4.2, a stack-based buffer overflow exists in the deletedir() function of Netatalk's afpd daemon due to an integer underflow in the calculation o…
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High 8.8
wifi: brcmfmac: cyw: fix heap overflow on a short auth frame
In the Linux kernel, the following vulnerability has been resolved: wifi: brcmfmac: cyw: fix heap overflow on a short auth frame brcmf_notify_auth_frame_rx() takes the frame length from the firmware event and copies the frame body with the management header o…
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High 7.5
Netatalk has Integer Underflow → Stack Buffer Overflow in copydir()
Netatalk is a Free and Open Source file server suite for Unix-like operating systems. In versions 3.1.19 through 4.4.2, a stack-based buffer overflow exists in the copydir() function of Netatalk's afpd daemon due to an integer underflow in the calculation of …
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Medium 5.1
Capstone M68K and RISCV `cs_insn_name()` invalid IDs can trigger out-of-bounds reads and process crashes
Capstone is a disassembly framework. Prior to version 6.0.0-Alpha9, Capstone's public `cs_insn_name()` API forwards caller-supplied instruction IDs directly to the selected architecture backend. Most backends validate the ID before indexing instruction-name t…
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Low 3.8
PostgreSQL ECPG integer underflow can crash the client
Integer underflow in PostgreSQL ECPG allows a database server administrator to achieve temporary denial of service against the ECPG client via sending a bytea value lacking the mandatory prefix. The client overwrites a huge memory region with bytes outside at…
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Medium 6.5
Open-iscsi: open-iscsi: integer underflow in iscsiuio ipv4 dhcp parsing
A flaw was found in open-iscsi. An integer underflow vulnerability in the `iscsiuio` component, specifically during IPv4 Dynamic Host Configuration Protocol (DHCP) parsing, allows a remote attacker on the same local network segment to cause a denial of servic…
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Medium 6.5
Open-iscsi: open-iscsi: integer underflow in iscsiuio dhcpv6 parsing
A flaw was found in open-iscsi's iscsiuio component. This vulnerability involves an integer underflow and out-of-bounds read during Dynamic Host Configuration Protocol for IPv6 (DHCPv6) packet parsing. Specifically, crafted DHCPv6 Advertise traffic with a sho…