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
678 active CVEs classified under this weakness category. Sourced from NVD, GHSA, and vendor advisories. Full definition on MITRE →
CVEs classified under CWE-191page 11 of 14
- CVE-2026-41499MEDIUMCVSS 6.5EG 6.52026-04-29
Wazuh is a free and open source platform used for threat prevention, detection, and response. From version 4.0.0 to before version 4.14.4, multiple heap-based out-of-bounds WRITE vulnerabilities exist in parse_uname_string() (remoted_op.c)…
- CVE-2026-5778MEDIUMCVSS 6.5EG 6.52026-04-09
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 ssl_Decod…
- 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-2025-30668MEDIUMCVSS 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-2024-21466MEDIUMCVSS 6.5EG 6.52024-07-01
Information disclosure while parsing sub-IE length during new IE generation.
- CVE-2024-30011MEDIUMCVSS 6.5EG 6.52024-05-14
Windows Hyper-V Denial of Service Vulnerability
- CVE-2023-36909MEDIUMCVSS 6.5EG 6.52023-08-08
Microsoft Message Queuing (MSMQ) Denial of Service Vulnerability
- CVE-2022-3165MEDIUMCVSS 6.5EG 6.52022-10-17
An integer underflow issue was found in the QEMU VNC server while processing ClientCutText messages in the extended format. A malicious client could use this flaw to make QEMU unresponsive by sending a specially crafted payload message, re…
- CVE-2021-25121MEDIUMCVSS 6.5EG 6.52022-06-20
The Rating by BestWebSoft WordPress plugin before 1.6 does not validate the submitted rating, allowing submission of long integer, causing a Denial of Service on the post/page when a user submit such rating
- CVE-2022-21685MEDIUMCVSS 6.5EG 6.52022-01-14
Frontier is Substrate's Ethereum compatibility layer. Prior to commit number `8a93fdc6c9f4eb1d2f2a11b7ff1d12d70bf5a664`, a bug in Frontier's MODEXP precompile implementation can cause an integer underflow in certain conditions. This will c…
- CVE-2021-24894MEDIUMCVSS 6.5EG 6.52021-11-23
The Reviews Plus WordPress plugin before 1.2.14 does not validate the submitted rating, allowing submission of long integer, causing a Denial of Service in the review section when an authenticated user submit such rating and the reviews ar…
- CVE-2021-41821MEDIUMCVSS 6.5EG 6.52021-09-29
Wazuh Manager in Wazuh through 4.1.5 is affected by a remote Integer Underflow vulnerability that might lead to denial of service. A crafted message must be sent from an authenticated agent to the manager.
- CVE-2020-26242MEDIUMCVSS 6.5EG 6.52020-11-25
Go Ethereum, or "Geth", is the official Golang implementation of the Ethereum protocol. In Geth before version 1.9.18, there is a Denial-of-service (crash) during block processing. This is fixed in 1.9.18.
- CVE-2017-14997MEDIUMCVSS 6.5EG 6.52017-10-04
GraphicsMagick 1.3.26 allows remote attackers to cause a denial of service (excessive memory allocation) because of an integer underflow in ReadPICTImage in coders/pict.c.
- CVE-2023-24911MEDIUMCVSS 4.3EG 6.52023-03-14
Microsoft PostScript and PCL6 Class Printer Driver Information Disclosure Vulnerability
- CVE-2026-94090MEDIUMCVSS 6.3EG 6.32026-09-20
A security flaw has been discovered in JusticeRage Manalyze 1.0.0. The affected element is the function PE::_parse_debug of the file manape/pe.cpp of the component PE Parser. The manipulation of the argument misc.Length results in integer …
- CVE-2020-11906MEDIUMCVSS 6.3EG 6.32020-06-17
The Treck TCP/IP stack before 6.0.1.66 has an Ethernet Link Layer Integer Underflow.
- CVE-2026-88377MEDIUMCVSS 6.2EG 6.22026-09-24
Bento4 1.6.0.0 contains an integer underflow vulnerability in the avcC and hvcC configuration atom parsers. A specially crafted MP4 file containing an atom with a declared size smaller than AP4_ATOM_HEADER_SIZE can cause AP4_AvccAtom::Crea…
- CVE-2026-61720MEDIUMCVSS 6.2EG 6.22026-09-18
FluidSynth is a software synthesizer based on the SoundFont 2 specifications. From 2.5.0 until 2.5.6, the SF2 parser computes the DMOD modulator count as chunk.size / SF_MOD_SIZE - 1 without rejecting chunks smaller than one record. A craf…
- CVE-2026-76189MEDIUMCVSS 6.2EG 6.22026-08-25
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 denia…
- CVE-2026-71444MEDIUMCVSS 6.2EG 6.22026-08-25
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 denia…
- CVE-2026-48435MEDIUMCVSS 6.2EG 6.22026-08-11
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 denia…
- CVE-2026-71389MEDIUMCVSS 6.2EG 6.22026-08-11
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 denia…
- CVE-2026-48296MEDIUMCVSS 6.2EG 6.22026-07-14
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 denia…
- CVE-2026-48298MEDIUMCVSS 6.2EG 6.22026-07-14
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 denia…
- CVE-2026-34672MEDIUMCVSS 6.2EG 6.22026-05-12
CAI Content Credentials versions c2pa-web@0.7.0, 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 vulnera…
- CVE-2026-34667MEDIUMCVSS 6.2EG 6.22026-05-12
CAI Content Credentials versions c2pa-web@0.7.0, 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 vulnera…
- CVE-2026-39314MEDIUMCVSS 6.2EG 6.22026-04-07
OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, an integer underflow vulnerability in _ppdCreateFromIPP() (cups/ppd-cache.c) allows any unprivileged local u…
- CVE-2026-107635MEDIUMCVSS 6.1EG 6.12026-10-08
Dislocker through 0.7.3 contains an integer underflow vulnerability in get_vmk() and get_fvek() that allows attackers to trigger out-of-bounds heap reads via crafted datum sizes. Attackers can supply a malicious BitLocker volume image with…
- CVE-2026-107614MEDIUMCVSS 6.1EG 6.12026-10-08
An integer underflow in WinCursorShapeUtils::trimTransparent() in GlavSoft TightVNC Server for Windows before 2.8.88 allows a local authenticated user to crash the server, and potentially read out-of-bounds memory, by causing a cursor shap…
- 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-2025-59368MEDIUMCVSS 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-2026-120060MEDIUMCVSS 5.9EG 5.92026-11-02
psqlODBC trusts counts and lengths in server data in three places. SQLBulkOperations uses a server-supplied row count in a size subtraction that can underflow. SQLStatistics iterates index keys using a server-supplied key count without bou…
- CVE-2026-75083MEDIUMCVSS 5.9EG 5.92026-10-14
The receive path of the NXP KW41Z IEEE 802.15.4 driver, kw41z_rx() in drivers/ieee802154/ieee802154_kw41z.c, computed the payload size as pkt_len = len - KW41Z_FCS_LENGTH in a uint8_t, where len is the frame length reported by the radio. T…
- CVE-2026-63362MEDIUMCVSS 5.9EG 5.92026-07-30
An unsigned integer underflow in the PubSub signature verification path in open62541 may allow a remote attacker to cause a denial of service via a crafted UDP packet.
- CVE-2024-55627MEDIUMCVSS 5.9EG 5.92025-01-06
Suricata is a network Intrusion Detection System, Intrusion Prevention System and Network Security Monitoring engine. Prior to 7.0.8, a specially crafted TCP stream can lead to a very large buffer overflow while being zero-filled during in…
- CVE-2024-32975MEDIUMCVSS 5.9EG 5.92024-06-04
Envoy is a cloud-native, open source edge and service proxy. There is a crash at `QuicheDataReader::PeekVarInt62Length()`. It is caused by integer underflow in the `QuicStreamSequencerBuffer::PeekRegion()` implementation.
- CVE-2023-39350MEDIUMCVSS 5.9EG 5.92023-08-31
FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. This issue affects Clients only. Integer underflow leading to DOS (e.g. abort due to `WINPR_ASSERT` with default compilation flags). …
- CVE-2021-2390MEDIUMCVSS 5.9EG 5.92021-07-21
Vulnerability in the MySQL Server product of Oracle MySQL (component: InnoDB). Supported versions that are affected are 5.7.34 and prior and 8.0.25 and prior. Difficult to exploit vulnerability allows unauthenticated attacker with network …
- CVE-2016-2316MEDIUMCVSS 5.9EG 5.92016-02-22
chan_sip in Asterisk Open Source 1.8.x, 11.x before 11.21.1, 12.x, and 13.x before 13.7.1 and Certified Asterisk 1.8.28, 11.6 before 11.6-cert12, and 13.1 before 13.1-cert3, when the timert1 sip.conf configuration is set to a value greater…
- CVE-2025-29974MEDIUMCVSS 5.7EG 5.72025-05-13
Integer underflow (wrap or wraparound) in Windows Kernel allows an unauthorized attacker to disclose information over an adjacent network.
- 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-2022-39343MEDIUMCVSS 5.6EG 5.62022-11-08
Azure RTOS FileX is a FAT-compatible file system that’s fully integrated with Azure RTOS ThreadX. In versions before 6.2.0, the Fault Tolerant feature of Azure RTOS FileX includes integer under and overflows which may be exploited to ach…
- CVE-2026-112010MEDIUMCVSS 5.5EG 5.52026-10-18
smpeg through 2.0.0 contains an integer underflow vulnerability in stream_header() in MPEGsystem.cpp that allows attackers to wrap packet_size by declaring an undersized packet length. Attackers can supply a crafted MPEG file opened via SM…
- CVE-2026-96925MEDIUMCVSS 5.5EG 5.52026-10-13
Integer underflow (wrap or wraparound) in Windows NTFS allows an authorized attacker to disclose information locally.
- CVE-2026-90996MEDIUMCVSS 5.5EG 5.52026-09-14
A flaw was found in sssd. A local unprivileged user could send a specially crafted request with a zero-length body to the Network Security Services (NSS) responder. This could lead to a denial-of-service condition, causing the NSS responde…
- CVE-2026-81977MEDIUMCVSS 5.5EG 5.52026-09-08
Acrobat Reader is affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this …
- CVE-2026-77488MEDIUMCVSS 5.5EG 5.52026-09-08
Integer underflow (wrap or wraparound) in SQL Server allows an authorized attacker to disclose information locally.
- CVE-2026-69303MEDIUMCVSS 5.5EG 5.52026-09-08
Out-of-bounds read in Push Message Routing Service allows an authorized attacker to disclose information locally.
- CVE-2026-42495MEDIUMCVSS 5.5EG 5.52026-07-28
[This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE.] The directory and Rock Ridge / SUSP walk in libfsimage's iso9660 driver derives several lengths directly from…
Map vulnerabilities like CWE-191 to your infrastructure
EchelonGraph correlates every CVE — across CWE-191 and 150+ other weakness categories — against the assets you actually run. See blast radius, fix versions, and remediation steps in one graph.
Book a Demo →