CVE-2026-12520: Out-of-bounds Write

The Sierra Wireless HL7800 cellular modem driver drivers/modem/vendorstandalone/hl7800.c, located at drivers/modem/hl7800.c in v4.4.0 and earlier parses AT responses with roughly twenty handlers that call netbuflinearizevalue, sizeofvalue, buf, 0, len into a 128-byte stack buffer and then write...

PT-2026-77028

A security vulnerability has been detected in TRENDnet TEW-WLC100P 12.07b01. Affected by this vulnerability is an unknown functionality of the file /sbin/netifd of the component DHCP blobmsg Handler. The manipulation leads to stack-based buffer overflow. The attack must be carried out from within...

AlmaLinux 8 : 389-ds:1.4 (ALSA-2026:55530)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:55530 advisory. 389-ds-base: 389-ds-base: pre-auth LDAP filter injection in CleanAllRUV status check CVE-2026-11770 389-ds-base: 389-ds-base: NULL pointer dereference in...

RHEL 8 : redhat-ds:11 (RHSA-2026:56047)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:56047 advisory. Red Hat Directory Server is an LDAPv3-compliant directory server. The suite of packages includes the Lightweight Directory Access Protocol...

RHEL 10 : libssh (RHSA-2026:55855)

The remote Redhat Enterprise Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:55855 advisory. libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. Security Fixes: libssh:...

RHEL 9 : redhat-ds:12 (RHSA-2026:56048)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:56048 advisory. Red Hat Directory Server is an LDAPv3-compliant directory server. The suite of packages includes the Lightweight Directory Access Protocol...

Oracle Linux 10 : unbound (ELSA-2026-55892)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-55892 advisory. - Fix CVE-2026-55973: dns-error-reporting stack buffer overflow Tenable has extracted the preceding description block directly from the Oracle Linux...

ANT-2026-TNDDD6NW · ffmpeg · Stack Buffer Overflow

stack-buffer-overflow high Severity Claude high · Security research firm - · Maintainer - REPORT Anthropic's analysis of this finding, sealed at approval. ANT-2026-TNDDD6NW: Stack buffer overflow in mpegts.c pmtcb via multiple IOD The MPEG-TS PMT parser in libavformat/mpegts.c allocates a fixed...

ANT-2026-HRZEDXBB · ghostscript · Stack-buffer-overflow

stack-buffer-overflow critical Severity Claude critical · Security research firm critical · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Ada Logics. ANT-2026-HRZEDXBB: Stack-buffer-overflow in...

libssh: libssh: stack buffer overflow in SFTP server longname construction

A flaw was found in libssh. During SFTP server directory listing, the longname field is constructed with unsafe concatenation into a fixed-size stack buffer. When a client causes the server to list attacker-controlled filenames, sufficiently long names can overflow that stack buffer and may lead ...

CVE-2026-54758

Notepad++ is a free and open-source source code editor. Prior to 8.9.7, the expandNppEnvironmentStrs function in PowerEditor/src/WinControls/StaticDialog/RunDlg/RunDlg.cpp copies a Notepad++ variable name between $ and into the fixed-size wchart strMAXPATH stack buffer without bounding the m loop...

EUVD-2026-60372

Notepad++ is a free and open-source source code editor. Prior to 8.9.7, the expandNppEnvironmentStrs function in PowerEditor/src/WinControls/StaticDialog/RunDlg/RunDlg.cpp copies a Notepad++ variable name between $ and into the fixed-size wchart strMAXPATH stack buffer without bounding the m loop...

CVE-2026-54758

Notepad++ is a free and open-source source code editor. Prior to 8.9.7, the expandNppEnvironmentStrs function in PowerEditor/src/WinControls/StaticDialog/RunDlg/RunDlg.cpp copies a Notepad++ variable name between $ and into the fixed-size wchart strMAXPATH stack buffer without bounding the m loop...

CVE-2026-54758 Notepad++: Stack Buffer Overflow in expandNppEnvironmentStrs

Notepad++ is a free and open-source source code editor. Prior to 8.9.7, the expandNppEnvironmentStrs function in PowerEditor/src/WinControls/StaticDialog/RunDlg/RunDlg.cpp copies a Notepad++ variable name between $ and into the fixed-size wchart strMAXPATH stack buffer without bounding the m loop...

CVE-2026-54758

Notepad++ prior to 8.9.7 contains a stack buffer overflow in the expandNppEnvironmentStrs function (RunDlg.cpp). The function copies a variable name between $( ) into a fixed-size wchar_t str[MAX_PATH] buffer without bounding the loop index, so a name of 260 or more characters can corrupt adjacen...

CVE-2026-54758 Notepad++: Stack Buffer Overflow in expandNppEnvironmentStrs

Notepad++ is a free and open-source source code editor. Prior to 8.9.7, the expandNppEnvironmentStrs function in PowerEditor/src/WinControls/StaticDialog/RunDlg/RunDlg.cpp copies a Notepad++ variable name between $ and into the fixed-size wchart strMAXPATH stack buffer without bounding the m loop...

ANT-2026-K2T27KG9 · SELinux · Stack Buffer Overflow

stack-buffer-overflow medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-K2T27KG9: Stack buffer overflow in libsepol...

ANT-2026-ZYEZKB5Y · OpenSC · Stack Buffer Overflow

stack-buffer-overflow medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-ZYEZKB5Y: Stack buffer overflow in...

ANT-2026-DD4RKCBA · OpenSC · Stack Buffer Overflow

stack-buffer-overflow medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-DD4RKCBA: Stack buffer overflow in...

ANT-2026-2BX2DMM1 · OpenSC · Stack Buffer Overflow

stack-buffer-overflow medium Severity Claude medium · Security research firm medium · Maintainer - Discovered by Claude Mythos Preview REPORT Anthropic's analysis, sealed at approval. Disclosure to the maintainer was performed by Trail of Bits. ANT-2026-2BX2DMM1: Stack buffer overflow in...