CVE-2026-23011

In the Linux kernel, the following vulnerability has been resolved: ipv4: ipgre: make ipgreheader robust Analog to commit db5b4e39c4e6 "ip6gre: make ip6greheader robust" Over the years, syzbot found many ways to crash the kernel in ipgreheader 1. This involves team or bonding drivers ability to...

CVE-2026-23011 ipv4: ip_gre: make ipgre_header() robust

In the Linux kernel, the following vulnerability has been resolved: ipv4: ipgre: make ipgreheader robust Analog to commit db5b4e39c4e6 "ip6gre: make ip6greheader robust" Over the years, syzbot found many ways to crash the kernel in ipgreheader 1. This involves team or bonding drivers ability to...

CVE-2026-23011 ipv4: ip_gre: make ipgre_header() robust

In the Linux kernel, the following vulnerability has been resolved: ipv4: ipgre: make ipgreheader robust Analog to commit db5b4e39c4e6 "ip6gre: make ip6greheader robust" Over the years, syzbot found many ways to crash the kernel in ipgreheader 1. This involves team or bonding drivers ability to...

curl: Integer Underflow in src/var.c

Summary: A potential Integer Underflow vulnerability was identified in the setvariable function within src/var.c. the flaw occurs during the calculation of the variable content length clen when a byte range is specified. specifically, the code fails to validate if startoffset is greater than...

CVE-2026-23951

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 PalmDbReader::GetRecord when opening a crafted Mobi file, resulting ...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004923)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004923 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: clear optc underflow before turn off odm clock Why After ODM clock off, optc...

CVE-2026-23951

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 PalmDbReader::GetRecord when opening a crafted Mobi file, resulting ...

CVE-2026-23951 SumatraPDF's Integer Underflow in PalmDbReader Leads to Crash

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 PalmDbReader::GetRecord when opening a crafted Mobi file, resulting ...

CVE-2026-23951 SumatraPDF's Integer Underflow in PalmDbReader Leads to Crash

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 PalmDbReader::GetRecord when opening a crafted Mobi file, resulting ...

CVE-2026-23951

SumatraPDF is affected by an off-by-one error in PalmDbReader::GetRecord when opening crafted Mobi files, triggering only with exactly 2 records and causing an integer underflow in the size calculation. This leads to an out-of-bounds heap read that crashes the application. The CVE notes indicate ...

CVE-2026-23951 SumatraPDF's Integer Underflow in PalmDbReader Leads to Crash

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 PalmDbReader::GetRecord when opening a crafted Mobi file, resulting ...

Azure Linux 3.0 Security Update: hyperv-daemons (CVE-2024-27003)

The version of hyperv-daemons installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-27003 advisory. - In the Linux kernel, the following vulnerability has been resolved: clk: Get runtime PM before walki...

Azure Linux 3.0 Security Update: kernel (CVE-2025-38200)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-38200 advisory. - In the Linux kernel, the following vulnerability has been resolved: i40e: fix MMIO write access to an invali...

sumatrapdf numerical error vulnerability

Sumatrapdf is an open-source PDF reader developed by SumatraPDF Reader. SumatraPDF has a digital error vulnerability; this vulnerability stems from handling specially crafted Mobi files, where a single mistake or integer underflow can lead to out-of-bounds heap access and application crashes...

Azure Linux 3.0 Security Update: espeak-ng (CVE-2023-49991)

The version of espeak-ng installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2023-49991 advisory. - Espeak-ng 1.52-dev was discovered to contain a Stack Buffer Underflow via the function CountVowelPosition...

Azure Linux 3.0 Security Update: valkey (CVE-2025-49112)

The version of valkey installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-49112 advisory. - setDeferredReply in networking.c in Valkey through 8.1.1 has an integer underflow for prev-size - prev-used...

Exploit for Integer Underflow (Wrap or Wraparound) in Microsoft

CVE-2024-38063 — Windows IPv6 Stack Vulnerability Analysis &...

MiracleLinux 7 : kernel-3.10.0-1160.108.1.el7 (AXSA:2024-7470:05)

The remote MiracleLinux 7 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2024-7470:05 advisory. kernel: netfilter: potential slab-out-of-bound access due to integer underflow CVE-2023-42753 Tenable has extracted the preceding description block directly...

MiracleLinux 8 : grub2-2.02-123.el8.8.ML.1, mokutil-0.3.0-11.el8.1, shim-15.6-1.el8.ML.1, shim-unsigned-x64-15.6-1.el8.ML.1 (AXSA:2022-4042:01)

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2022-4042:01 advisory. grub2: Integer underflow in grubnetrecvip4packets CVE-2022-28733 grub2: Crafted PNG grayscale images may lead to out-of-bounds write in heap...

MiracleLinux 9 : edk2-20231122-6.el9 (AXSA:2024-8102:05)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2024-8102:05 advisory. edk2: Buffer overflow when handling Server ID option from a DHCPv6 proxy Advertise message CVE-2023-45235 EDK2: heap buffer overflow in...