CWE-191— Integer Underflow
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.— MITRE CWE catalog
501 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-191page 8 of 11
- CVE-2025-30356CRITICALCVSS 9.8EG 9.82025-04-01
CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. In 1.3.3…
- CVE-2025-30668MEDIUMCVSS 6.5EG 6.52025-05-14
Integer underflow in some Zoom Workplace Apps may allow an authenticated user to conduct a denial of service via network access.
- CVE-2025-38161MEDIUMCVSS 5.5EG 5.52025-07-03
In the Linux kernel, the following vulnerability has been resolved: RDMA/mlx5: Fix error flow upon firmware failure for RQ destruction Upon RQ destruction if the firmware command fails which is the last resource to be destroyed some SW r…
- CVE-2025-38200MEDIUMEG 5.52025-07-04
In the Linux kernel, the following vulnerability has been resolved: i40e: fix MMIO write access to an invalid page in i40e_clear_hw When the device sends a specific input, an integer underflow can occur, leading to MMIO write access to a…
- CVE-2025-38463MEDIUMCVSS 5.5EG 5.52025-07-25
In the Linux kernel, the following vulnerability has been resolved: tcp: Correct signedness in skb remaining space calculation Syzkaller reported a bug [1] where sk->sk_forward_alloc can overflow. When we send data, if an skb exists at …
- CVE-2025-3947HIGHCVSS 8.2EG 8.22025-07-10
The Honeywell Experion PKS contains an Integer Underflow vulnerability in the component Control Data Access (CDA). An attacker could potentially exploit this vulnerability, leading to Input Data Manipulation, which could result in i…
- CVE-2025-39928MEDIUMCVSS 5.5EG 5.52025-10-01
In the Linux kernel, the following vulnerability has been resolved: i2c: rtl9300: ensure data length is within supported range Add an explicit check for the xfer length to 'rtl9300_i2c_config_xfer' to ensure the data length isn't within …
- CVE-2025-43546HIGHCVSS 7.8EG 7.82025-05-13
Bridge versions 15.0.3, 14.1.6 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user i…
- CVE-2025-43555HIGHCVSS 7.8EG 7.82025-05-13
Animate versions 24.0.8, 23.0.11 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user…
- CVE-2025-47097HIGHCVSS 7.8EG 7.82025-07-08
InCopy versions 20.3, 19.5.3 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user int…
- CVE-2025-47128HIGHCVSS 7.8EG 7.82025-07-08
Adobe Framemaker versions 2020.8, 2022.6 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requi…
- CVE-2025-47130HIGHCVSS 7.8EG 7.82025-07-08
Adobe Framemaker versions 2020.8, 2022.6 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requi…
- CVE-2025-47136HIGHCVSS 7.8EG 7.82025-07-08
InDesign Desktop versions 19.5.3 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user…
- CVE-2025-47256MEDIUMCVSS 5.6EG 5.62025-05-06
Libxmp through 4.6.2 has a stack-based buffer overflow in depack_pha in loaders/prowizard/pha.c via a malformed Pha format tracker module in a .mod file.
- CVE-2025-47996HIGHCVSS 7.8EG 7.82025-07-08
Integer underflow (wrap or wraparound) in Windows MBT Transport driver allows an authorized attacker to elevate privileges locally.
- CVE-2025-48021MEDIUMCVSS 6.5EG 6.52026-02-13
A vulnerability has been found in Vnet/IP Interface Package provided by Yokogawa Electric Corporation. If affected product receives maliciously crafted packets, Vnet/IP software stack process may be terminated. The affected products and ve…
- CVE-2025-49112LOWCVSS 3.1EG 3.12025-06-02
setDeferredReply in networking.c in Valkey through 8.1.1 has an integer underflow for prev->size - prev->used.
- CVE-2025-4948HIGHCVSS 7.5EG 7.52025-05-19
A flaw was found in the soup_multipart_new_from_message() function of the libsoup HTTP library, which is commonly used by GNOME and other applications to handle web communications. The issue occurs when the library processes specially craf…
- CVE-2025-49532HIGHCVSS 7.8EG 7.82025-07-08
Illustrator versions 28.7.6, 29.5.1 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires u…
- CVE-2025-49744HIGHCVSS 7.0EG 7.02025-07-08
Heap-based buffer overflow in Microsoft Graphics Component allows an authorized attacker to elevate privileges locally.
- CVE-2025-52471CRITICALCVSS 9.8EG 9.82025-06-24
ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. An integer underflow vulnerability has been identified in the ESP-NOW protocol implementation within the ESP Wi-Fi component of versions 5.4.1, 5.3.3, 5.2.5, and 5.1.…
- CVE-2025-55096MEDIUMCVSS 6.1EG 6.12025-10-17
In USBX before 6.4.3, the USB support module for Eclipse Foundation ThreadX, there was a potential out of bound read issue in _ux_host_class_hid_report_descriptor_get() when parsing a descriptor of an USB HID device.
- CVE-2025-55118HIGHCVSS 8.9EG 8.92025-09-16
Memory corruptions can be remotely triggered in the Control-M/Agent when SSL/TLS communication is configured. The issue occurs in the following cases: * Control-M/Agent 9.0.20: SSL/TLS configuration is set to the non-default setting …
- CVE-2025-59242HIGHCVSS 7.8EG 7.82025-10-14
Heap-based buffer overflow in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
- CVE-2025-59368MEDIUMCVSS 6.0EG 6.02025-11-25
An integer underflow vulnerability has been identified in Aicloud. An authenticated attacker may trigger this vulnerability by sending a crafted request, potentially impacting the availability of the device. Refer to the ' Security Update…
- CVE-2025-61826HIGHCVSS 7.8EG 7.82025-11-11
Illustrator on iPad versions 3.0.9 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires us…
- CVE-2025-61835HIGHCVSS 7.8EG 7.82025-11-11
Substance3D - Stager versions 3.1.5 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires u…
- CVE-2025-61836HIGHCVSS 7.8EG 7.82025-11-11
Illustrator on iPad versions 3.0.9 and earlier are affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires us…
- CVE-2025-62291HIGHCVSS 8.1EG 8.12026-01-16
In the eap-mschapv2 plugin (client-side) in strongSwan before 6.0.3, a malicious EAP-MSCHAPv2 server can send a crafted message of size 6 through 8, and cause an integer underflow that potentially results in a heap-based buffer overflow.
- CVE-2025-62495HIGHCVSS 8.8EG 8.82025-10-16
An integer overflow vulnerability exists in the QuickJS regular expression engine (libregexp) due to an inconsistent representation of the bytecode buffer size. * The regular expression bytecode is stored in a DynBuf structure, which c…
- CVE-2025-62567MEDIUMCVSS 5.3EG 5.32025-12-09
Integer underflow (wrap or wraparound) in Windows Hyper-V allows an authorized attacker to deny service over a network.
- CVE-2025-62594MEDIUMCVSS 5.5EG 5.52025-10-27
ImageMagick is a software suite to create, edit, compose, or convert bitmap images. ImageMagick versions prior to 7.1.2-8 are vulnerable to denial-of-service due to unsigned integer underflow and division-by-zero in the CLAHEImage function…
- CVE-2025-64076HIGHCVSS 7.5EG 7.52025-11-18
Multiple vulnerabilities exist in cbor2 through version 5.7.0 in the decode_definite_long_string() function of the C extension decoder (source/decoder.c): (1) Integer Underflow Leading to Out-of-Bounds Read (CWE-191, CWE-125): An incorrect…
- CVE-2025-65092MEDIUMCVSS 6.9EG 6.92025-11-21
ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.5.1, 5.4.3, and 5.3.4, when the ESP32-P4 uses its hardware JPEG decoder, the software parser lacks necessary validation checks. A specially crafted (mal…
- CVE-2025-66217HIGHCVSS 7.5EG 7.52025-11-29
AIS-catcher is a multi-platform AIS receiver. Prior to version 0.64, an integer underflow vulnerability exists in the MQTT parsing logic of AIS-catcher. This vulnerability allows an attacker to trigger a massive Heap Buffer Overflow by sen…
- CVE-2025-67269HIGHCVSS 7.5EG 7.52026-01-02
An integer underflow vulnerability exists in the `nextstate()` function in `gpsd/packet.c` of gpsd versions prior to commit `ffa1d6f40bca0b035fc7f5e563160ebb67199da7`. When parsing a NAVCOM packet, the payload length is calculated using `l…
- CVE-2026-1005MEDIUMCVSS 5.3EG 5.32026-03-19
Integer underflow in wolfSSL packet sniffer <= 5.8.4 allows an attacker to cause a buffer overflow in the AEAD decryption path by injecting a TLS record shorter than the explicit IV plus authentication tag into traffic inspected by ssl_Dec…
- CVE-2026-11789MEDIUMCVSS 6.5EG 6.52026-06-09
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 …
- CVE-2026-11850MEDIUMCVSS 5.0EG 5.02026-06-11
An integer underflow vulnerability was found in MIT krb5 in the berval2tl_data() function in plugins/kdb/ldap/libkdb_ldap/ldap_principal2.c. The function performs an unsigned subtraction (bv_len - 2) without a prior bounds check. When bv_l…
- CVE-2026-20957HIGHCVSS 7.8EG 7.82026-01-13
Integer underflow (wrap or wraparound) in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
- CVE-2026-21489MEDIUMCVSS 7.1EG 6.12026-01-06
iccDEV provides a set of libraries and tools for working with ICC color management profiles. Versions 2.3.1.1 and below have Out-of-bounds Read and Integer Underflow (Wrap or Wraparound) vulnerabilities in its CIccCalculatorFunc::SequenceN…
- CVE-2026-22185MEDIUMCVSS 4.6EG 4.62026-01-07
OpenLDAP Lightning Memory-Mapped Database (LMDB) versions up to and including 0.9.14, prior to commit 8e1fda8, contain a heap buffer underflow in the readline() function of mdb_load. When processing malformed input containing an embedded N…
- CVE-2026-23069MEDIUMCVSS 5.5EG 5.52026-02-04
In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: fix potential underflow in virtio_transport_get_credit() The credit calculation in virtio_transport_get_credit() uses unsigned arithmetic: ret = vvs->pe…
- CVE-2026-2369MEDIUMCVSS 9.1EG 6.52026-03-19
A flaw was found in libsoup. An integer underflow vulnerability occurs when processing content with a zero-length resource, leading to a buffer overread. This can allow an attacker to potentially access sensitive information or cause an ap…
- CVE-2026-23748LOWCVSS 3.7EG 3.72026-02-26
Golioth Firmware SDK version 0.10.0 prior to 0.22.0, fixed in commit d7f55b38, contain an out-of-bounds read in LightDB State string parsing. When processing a string payload, a payload_size value less than 2 can cause a size_t underflow…
- CVE-2026-23951MEDIUMCVSS 5.5EG 5.52026-01-22
SumatraPDF is a multi-format reader for Windows. All versions contain an off-by-one error in the validation code that only triggers with exactly 2 records, causing an integer underflow in the size calculation. This bug exists in PalmDbRead…
- CVE-2026-25075HIGHCVSS 7.5EG 7.52026-03-23
strongSwan versions 4.5.0 prior to 6.0.5 contain an integer underflow vulnerability in the EAP-TTLS AVP parser that allows unauthenticated remote attackers to cause a denial of service by sending crafted AVP data with invalid length fields…
- CVE-2026-25104HIGHCVSS 7.8EG 7.82026-05-26
MediaArea MediaInfoLib LXF parsing heap-based buffer overflow vulnerability
- CVE-2026-25532MEDIUMCVSS 8.0EG 6.32026-02-04
ESF-IDF is the Espressif Internet of Things (IOT) Development Framework. In versions 5.5.2, 5.4.3, 5.3.4, 5.2.6, and 5.1.6, a vulnerability exists in the WPS (Wi-Fi Protected Setup) Enrollee implementation where malformed EAP-WSC packets w…
- CVE-2026-25772HIGHCVSS 7.2EG 7.22026-03-17
Wazuh is a free and open source platform used for threat prevention, detection, and response. Starting in version 4.4.0 and prior to version 4.14.3, a stack-based buffer overflow vulnerability exists in the Wazuh Database synchronization m…
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