thunderbird: Off-by-one out of bounds read in MIME header parser for forwarding

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: The code to parse MIME headers for display when forwarding a message if the setting to view all headers was enabled had an off-by-one error, allowing a single byte to be read from the memory...

JLSEC-2026-1243 A flaw was found in GLib. An off-by-one error can occur in the gvs_tuple_is_normal function in...

A flaw was found in GLib. An off-by-one error can occur in the gvstupleisnormal function in the glib/gvariant-serialiser.c file when doing an alignment padding check because the bounds check uses instead of =, causing an out-of-bounds read of only 1 byte. This issue can cause a minor information...

JLSEC-2026-1247 A flaw was found in GLib. An off-by-one error can occur in the g_key_file_get_locale_string_list...

A flaw was found in GLib. An off-by-one error can occur in the gkeyfilegetlocalestringlist function in the gkeyfile.c file when loading a key file with an empty value. This flaw can cause an out-of-bounds access of 1 byte or a denial of service when the out-of-bounds access crosses a page boundar...

thunderbird: Off-by-one out of bounds read in MIME header parser for forwarding

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: The code to parse MIME headers for display when forwarding a message if the setting to view all headers was enabled had an off-by-one error, allowing a single byte to be read from the memory...

thunderbird: Off-by-one out of bounds read in MIME header parser for forwarding

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: The code to parse MIME headers for display when forwarding a message if the setting to view all headers was enabled had an off-by-one error, allowing a single byte to be read from the memory...

PT-2026-70705

Name of the Vulnerable Software and Affected Versions Microsoft Office Word affected versions not specified Description An off-by-one error occurs when a program writes or reads one element past the end of an array, which can lead to memory corruption or information disclosure. In this case, the...

DEBIAN-CVE-2026-71391

GNU Emacs for Android contains an off-by-one error in the gvar table parser in src/sfnt.c. The shared-coordinate index boundary check in sfntvarysimpleglyph and sfntvarycompoundglyph uses a strict greater-than comparison instead of greater-than-or-equal, allowing a crafted TrueType variable font ...

CVE-2026-71391

GNU Emacs for Android contains an off-by-one error in the gvar table parser in src/sfnt.c. The shared-coordinate index boundary check in sfntvarysimpleglyph and sfntvarycompoundglyph uses a strict greater-than comparison instead of greater-than-or-equal, allowing a crafted TrueType variable font ...

CVE-2026-71391 Off-by-One Error in GNU Emacs for Android

GNU Emacs for Android contains an off-by-one error in the gvar table parser in src/sfnt.c. The shared-coordinate index boundary check in sfntvarysimpleglyph and sfntvarycompoundglyph uses a strict greater-than comparison instead of greater-than-or-equal, allowing a crafted TrueType variable font ...

CVE-2026-71391 Off-by-One Error in GNU Emacs for Android

GNU Emacs for Android contains an off-by-one error in the gvar table parser in src/sfnt.c. The shared-coordinate index boundary check in sfntvarysimpleglyph and sfntvarycompoundglyph uses a strict greater-than comparison instead of greater-than-or-equal, allowing a crafted TrueType variable font ...

CVE-2026-71391

GNU Emacs for Android is affected by an off-by-one in the gvar table parser (src/sfnt.c). The shared-coordinate index boundary check in sfnt_vary_simple_glyph() and sfnt_vary_compound_glyph() uses a > comparison instead of >=, allowing a crafted TrueType variable font to bypass the check an...

Linux Distros Unpatched Vulnerability : CVE-2026-71391

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - GNU Emacs for Android contains an off-by-one error in the gvar table parser in src/sfnt.c. The shared- coordinate index boundary check in sfntvarysimpleglyph an...

EulerOS 2.0 SP11 : bzip2 (EulerOS-SA-2026-3060)

According to the versions of the bzip2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : bzip2 contains an offbyone error in the bzip2recover utility. When processing a specially crafted file, the application performs an outofbounds wri...

Exploit for Off-by-one Error in Sudo_Project Sudo

CVE-2021-3156 — Baron Samedit Heap-Based Buffer Overflow in...

Exploit for Off-by-one Error in Sudo_Project Sudo

CVE-20...

EulerOS 2.0 SP13 : bzip2 (EulerOS-SA-2026-3009)

According to the versions of the bzip2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : bzip2 contains an offbyone error in the bzip2recover utility. When processing a specially crafted file, the application performs an outofbounds wri...

EulerOS 2.0 SP13 : bzip2 (EulerOS-SA-2026-2959)

According to the versions of the bzip2 packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : bzip2 contains an offbyone error in the bzip2recover utility. When processing a specially crafted file, the application performs an outofbounds wri...

CVE-2026-71263

The LINUXTCP port of FreeModbus contains an off-by-one bounds check in xMBPortTCPPool demo/LINUXTCP/port/porttcp.c. The check uses a strict greater-than comparison instead of greater-than-or-equal against the 263-byte MBTCPBUFSIZE limit...

EUVD-2026-53348

The LINUXTCP port of FreeModbus contains an off-by-one bounds check in xMBPortTCPPool demo/LINUXTCP/port/porttcp.c. The check if usTCPFrameBytesLeft MBTCPBUFSIZE uses a strict greater-than comparison instead of greater-than-or-equal against the 263-byte MBTCPBUFSIZE limit. An MBAP frame with a...

CVE-2026-71263 FreeModbus LINUXTCP Port Off-by-One Global Buffer Overflow in xMBPortTCPPool()

The LINUXTCP port of FreeModbus contains an off-by-one bounds check in xMBPortTCPPool demo/LINUXTCP/port/porttcp.c. The check uses a strict greater-than comparison instead of greater-than-or-equal against the 263-byte MBTCPBUFSIZE limit...