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...

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...

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...

CVE-2026-54257

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...

CVE-2026-10658

btisorecv in subsys/bluetooth/host/iso.c pulled the ISO SDU header 4 bytes or, when the timestamp flag is set, the timestamped SDU header 8 bytes from the inbound HCI ISO Data buffer via netbufpullmem without first checking buf-len. The upstream hciiso handler enforces buf-len == the...

libexif security update

0.6.22-6.1 - Fix integer underflow in MakerNote decoding CVE-2026-40386 - Fix integer overflow in Nikon MakerNote handling CVE-2026-40385 Resolves: RHEL-170253, RHEL-170234...

OPENSUSE-SU-2026:21021-1 Security update for krb5

This update for krb5 fixes the following issues - CVE-2026-40355: Denial of Service via NULL pointer dereference in NegoEx mechanism bsc1263366. - CVE-2026-40356: Denial of Service via integer underflow and out-of-bounds read bsc1263367...

OPENSUSE-SU-2026:21023-1 Security update for libexif

This update for libexif fixes the following issues - CVE-2026-32775: Buffer overwrite via integer underflow in MakerNotes decoding bsc1259755. - CVE-2026-40385: information disclosure and crashes via integer overflow in Nikon MakerNote handling bsc1262000. - CVE-2026-40386: denial of service and...

SUSE-SU-2026:22255-1 Security update for krb5

This update for krb5 fixes the following issues - CVE-2026-40355: Denial of Service via NULL pointer dereference in NegoEx mechanism bsc1263366. - CVE-2026-40356: Denial of Service via integer underflow and out-of-bounds read bsc1263367...

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...

Important: graphite2

Issue Overview: 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-2026-50593 Affected Packages: graphite2 Issue Correction: Run dnf update graphite2...

Important: graphite2

Issue Overview: 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-2026-50593 Affected Packages: graphite2 Note: This advisory is applicable to Amazon Linux...

Amazon Linux 2023 : graphite2, graphite2-devel (ALAS2023-2026-1856)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-1856 advisory. 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-2026-5059...

📄 PHP 8.5.7 mb_substr() Underflow

PHP version 8.5.7 suffers an underflow condition that can be exploited to trigger a denial of service condition. PHP 8.5.7 mbsubstr 'SJIS-mac' sizet underflow Author: Khashayar Fereidani Disclosure Date: 2026-06-18 Advisory: https://fereidani.com/php-857-mbsubstr-sjis-mac-sizet-underflow Contact:...

SUSE SLES15 Security Update : strongswan (SUSE-SU-2026:2459-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2459-1 advisory. This update for strongswan fixes the following issues - CVE-2026-35328: infinite loop when handling supported versions TLS extensio...

Nutanix AOS : Multiple Vulnerabilities (NXSA-AOS-7.5.1.8)

The version of AOS installed on the remote host is prior to 7.5.1.8. It is, therefore, affected by multiple vulnerabilities as referenced in the NXSA-AOS-7.5.1.8 advisory. - A flaw was found in GLib Gnome Lib. This vulnerability allows a remote attacker to cause heap corruption, leading to a deni...

SUSE-SU-2026:22193-1 Security update for mcphost

This update for mcphost fixes the following issues - CVE-2026-25680,CVE-2026-25681,CVE-2026-27136,CVE-2026-42502,CVE-2026-42506: golang.org/x/net/html: multiple issues when parsing HTML files bsc1267109. - CVE-2026-33814: golang.org/x/net/http2: infinite loop in HTTP/2 transport when given bad...

RHEL 7 : libexif (RHSA-2026:26567)

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:26567 advisory. The libexif packages provide a library for extracting extra information from image files. Security Fixes: libexif: libexif: Information...

Fedora 43 : vorbis-tools (2026-cbf4cd18d1)

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-cbf4cd18d1 advisory. CVE-2026-34253 - fix arbitrary code execution via buffer underflow Tenable has extracted the preceding description block directly from the Fedora security...