CVE-2026-7423 Integer Underflow in ICMP Echo Reply Processing in FreeRTOS-Plus-TCP

Integer underflow in the ICMP and ICMPv6 echo reply handlers in FreeRTOS-Plus-TCP before V4.4.1 and V4.2.6 allows an adjacent network user to cause a denial of service device crash when outgoing ping support is enabled, because header sizes are subtracted from a packet length field without...

CVE-2026-7423

The CVE affects FreeRTOS-Plus-TCP: an integer underflow in ICMP/ICMPv6 echo reply handling prior to V4.4.1 and V4.2.6. Subtracting header sizes from a packet length without validating size enables a heap out-of-bounds read (~65KB), allowing an adjacent attacker to cause a device crash (DoS) when ...

CVE-2026-7423 Integer Underflow in ICMP Echo Reply Processing in FreeRTOS-Plus-TCP

Integer underflow in the ICMP and ICMPv6 echo reply handlers in FreeRTOS-Plus-TCP before V4.4.1 and V4.2.6 allows an adjacent network user to cause a denial of service device crash when outgoing ping support is enabled, because header sizes are subtracted from a packet length field without...

PT-2026-35974

Name of the Vulnerable Software and Affected Versions FreeRTOS-Plus-TCP versions prior to V4.4.1 FreeRTOS-Plus-TCP versions prior to V4.2.6 Description An integer underflow exists in the ICMP and ICMPv6 echo reply handlers when outgoing ping support is enabled. This occurs because header sizes ar...

CVE-2026-5265

When generating an ICMP Destination Unreachable or Packet Too Big response, the handler copies a portion of the original packet into the ICMP error body using the IP header's self-declared total length iptotlen for IPv4, ip6plen for IPv6 without validating it against the actual packet buffer size...

CVE-2026-5265

CVE-2026-5265 describes a heap over-read in the ICMP error response generation within OVN’s ovn-controller. The issue occurs when generating ICMP Destination Unreachable or Packet Too Big messages: the handler copies a portion of the original packet into the ICMP error body using the IP header’s ...

CVE-2026-28525

SWUpdate contains an integer underflow vulnerability in the multipart upload parser in mongoosemultipart.c that allows unauthenticated attackers to cause a denial of service by sending a crafted HTTP POST request to /upload with a malformed multipart boundary and controlled TCP stream timing...

CVE-2026-28525

SWUpdate contains an integer underflow in the multipart upload parser (mongoose_multipart.c) that enables unauthenticated remote denial of service. An attacker can trigger an underflow in mg_http_multipart_continue_wait_for_chunk() by sending a crafted HTTP POST to /upload with a malformed multip...

CLSA-2026-1776873238 libarchive: Fix of CVE-2026-4424

CVE-2026-4424: fix heap out-of-bounds read in RAR reader due to LZSS window size mismatch after PPMd block...

PT-2026-46980

Name of the Vulnerable Software and Affected Versions 7-Zip versions 9.18 through 26.00 Description An uninitialized heap read exists in the SquashFS archive handler due to a sparsely populated index array. The blockToNode array is allocated for every metadata block but only populated when an ino...

PT-2026-46979

Name of the Vulnerable Software and Affected Versions 7-Zip versions 9.34 through 26.00 Description An off-by-one heap out-of-bounds read exists in the WIM Windows Imaging archive handler's security descriptor lookup. In the GetSecurity function within CHandler::GetSecurity...

Security update for opensc

This update for opensc fixes the following issues: CVE-2025-49010: specially crafted smart card or USB device can lead to a stack buffer overflow write in GET RESPONSE bsc1261214. CVE-2025-66037: specially crafted input processed by the fuzzpkcs15reader harness can lead to an out-of-bounds heap...

SUSE-SU-2026:1477-1 Security update for opensc

This update for opensc fixes the following issues: - CVE-2025-49010: specially crafted smart card or USB device can lead to a stack buffer overflow write in GET RESPONSE bsc1261214. - CVE-2025-66037: specially crafted input processed by the fuzzpkcs15reader harness can lead to an out-of-bounds he...

libarchive: libarchive: Information disclosure via heap out-of-bounds read in RAR archive processing

A flaw was found in libarchive. This heap out-of-bounds read vulnerability exists in the RAR archive processing logic due to improper validation of the LZSS sliding window size after transitions between compression methods. A remote attacker can exploit this by providing a specially crafted RAR...

Important: Red Hat Security Advisory: libarchive security update

An update for libarchive is now available for Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

AlmaLinux 8 : libarchive (ALSA-2026:8534)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:8534 advisory. libarchive: libarchive: Information disclosure via heap out-of-bounds read in RAR archive processing CVE-2026-4424 libarchive: libarchive: Arbitrary code...

RHEL 9 : libarchive (RHSA-2026:8864)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:8864 advisory. The libarchive programming library can create and read several different streaming archive formats, including GNU tar, cpio, and ISO 9660...

libarchive security update

An update is available for libarchive. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The libarchive programming library can create and read several different...

RockyLinux 8 : libarchive (RLSA-2026:8534)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:8534 advisory. libarchive: libarchive: Information disclosure via heap out-of-bounds read in RAR archive processing CVE-2026-4424 libarchive: libarchive: Arbitrary code...

OESA-2026-1939 sleuthkit security update

The Sleuth Kit previously known as TASK is a collection of UNIX-based command line file system forensic tools that allow an investigator to examine NTFS, FAT, FFS, EXT2FS, EXT3FS and ExFAT file systems of a suspect computer in a non-intrusive fashion. The tools have a layer-based design and can...