CVE-2026-54257

CVE-2026-54257 affects Electron 42.3.1 through 42.3.2 where the Node.js Buffer API uses incorrect byte-length calculations, causing heap underflow/overflow. This can lead to crashes and, in some cases, incorrect buffer allocations (truncation or misallocation). The issue is fixed in Electron 42.3...

CVE-2026-54257 Electron: Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. From 42.3.1 until 42.3.3, Buffer performs incorrect byte length calculations resulting in heap buffer under/overflow. Most apps will crash and some may perform incorrect buffer allocations in t...

kernel: netfilter: nf_conntrack_h323: check for zero length in DecodeQ931()

A flaw was found in the Linux kernel's netfilter subsystem, specifically within the nfconntrackh323 module. This vulnerability occurs in the DecodeQ931 function when processing a zero-length value from a packet. An integer underflow during a length calculation results in a large, incorrect value...

kernel: Linux kernel: Denial of service and memory corruption in RDMA umad

A flaw was found in the Linux kernel's Remote Direct Memory Access RDMA umad User Mode Access Device component. A local user can exploit this vulnerability by manipulating input, causing an integer underflow that leads to an out-of-bounds memory write. This memory corruption can result in a denia...

Astra Linux – Vulnerability in WebKit2GTK

A flaw was discovered in WebKitGTK and WPE WebKit. This vulnerability allows for an out-of-bounds read and integer underflow, resulting in a UIProcess crash DoS through a crafted payload sent to the GLib remote inspector server...

Astra Linux – Vulnerability in p7zip

Ppmd7.c in 7-ZIP before 23.00 allows for integer underflow and invalid read operations due to a crafted 7Z archive...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: Wifi: rtl818x: rtl8187: Fixed a potential buffer underflow in rtl8187rxcb. The rtl8187rxcb function calculates the RX descriptor header address by subtracting its size from the skbtailptr. However, it does not validate whether th...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: drm/vc4: Do not check if plane-state-fb == state-fb Currently, when using non-blocking commits, the following kernel warnings can be observed: 110.908514 ------------ Cut here ------------ 110.908529 refcountt: Underflow; Use...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: Regulator: Core – Prevent integer underflow By using a ratio of delay to pollEnabledTime that is not an integer, timeRemaining underflows may occur, causing the loop not to exit as expected. Since delay can be derived from DT, an...

Siemens RuggedCom Rox Integer Underflow (Wrap or Wraparound) (CVE-2019-14199)

An issue was discovered in Das U-Boot through 2019.07. There is an unbounded memcpy when parsing a UDP packet due to a netprocessreceivedpacket integer underflow during an udppackethandler call. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for...

Siemens RuggedCom Rox Integer Underflow (Wrap or Wraparound) (CVE-2019-14192)

An issue was discovered in Das U-Boot through 2019.07. There is an unbounded memcpy when parsing a UDP packet due to a netprocessreceivedpacket integer underflow during an ncinputpacket call. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more...

CVE-2026-30803 Integer Underflow (Wrap or Wraparound) vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buffers.

Integer Underflow Wrap or Wraparound vulnerability in RTI Connext Micro Core Libraries allows Overread Buffers.This issue affects Connext Micro: from 4.0.0 before 4.3.0...

CVE-2026-30803

RTI Connext Micro (Core Libraries) is affected by an Integer Underflow (wrap/wraparound) vulnerability that allows overread of buffers. Affected versions are Connext Micro 4.0.0 up to (but not including) 4.3.0. The issue is documented across CVE-2026-30803 entries in NVD and CVE records; no explo...

EUVD-2026-37756

Integer Underflow Wrap or Wraparound vulnerability in RTI Connext Micro Core Libraries allows Overread Buffers.This issue affects Connext Micro: from 4.0.0 before 4.3.0...

kernel: netfilter: nf_conntrack_h323: check for zero length in DecodeQ931()

A flaw was found in the Linux kernel's netfilter subsystem, specifically within the nfconntrackh323 module. This vulnerability occurs in the DecodeQ931 function when processing a zero-length value from a packet. An integer underflow during a length calculation results in a large, incorrect value...

kernel: netfilter: nf_conntrack_h323: check for zero length in DecodeQ931()

A flaw was found in the Linux kernel's netfilter subsystem, specifically within the nfconntrackh323 module. This vulnerability occurs in the DecodeQ931 function when processing a zero-length value from a packet. An integer underflow during a length calculation results in a large, incorrect value...

Security Updates for Microsoft Office Products (June 2026) (macOS)

The version of Microsoft Office for Mac installed on the remote host is affected by multiple vulnerabilities as referenced in the june-16-2026 advisory. - Heap-based buffer overflow in Microsoft Office allows an unauthorized attacker to execute code locally. CVE-2026-44819, CVE-2026-44824,...

gnutls: GnuTLS: Denial of Service via DTLS zero-length fragment

A flaw in GnuTLS DTLS handshake parsing allows malformed fragments with zero length and non-zero offset, leading to an integer underflow during reassembly and resulting in an out-of-bounds read. This issue is remotely exploitable and may cause information disclosure or denial of service...

Moderate: Red Hat Security Advisory: libexif security update

An update for libexif is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Moderate: Red Hat Security Advisory: libexif security update

An update for libexif is now available for Red Hat Enterprise Linux 9.6 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...