Linux Distros Unpatched Vulnerability : CVE-2025-11678

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Stack-based Buffer Overflow in lwsadnsparselabel in warmcat libwebsockets allows, when the LWSWITHSYSASYNCDNS flag is enabled during compilation, to overflow th...

Linux Distros Unpatched Vulnerability : CVE-2025-11679

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Out-of-bounds Read in lwsupngemitnextline in warmcat libwebsockets allows, when the LWSWITHUPNG flag is enabled during compilation and the HTML display stack is...

CVE-2025-11678

Stack-based Buffer Overflow in lwsadnsparselabel in warmcat libwebsockets allows, when the LWSWITHSYSASYNCDNS flag is enabled during compilation, to overflow the labelstack, when the attacker is able to sniff a DNS request in order to craft a response with a matching id containing a label longer...

SUSE CVE-2025-11677

Use After Free in WebSocket server implementation in lwshandshakeserver in warmcat libwebsockets may allow an attacker, in specific configurations where the user provides a callback function that handles LWSCALLBACKHTTPCONFIRMUPGRADE, to achieve denial of service...

SUSE CVE-2025-11678

Stack-based Buffer Overflow in lwsadnsparselabel in warmcat libwebsockets allows, when the LWSWITHSYSASYNCDNS flag is enabled during compilation, to overflow the labelstack, when the attacker is able to sniff a DNS request in order to craft a response with a matching id containing a label longer...

SUSE CVE-2025-11680

Out-of-bounds Write in unfilterscanline in warmcat libwebsockets allows, when the LWSWITHUPNG flag is enabled during compilation and the HTML display stack is used, to write past a heap allocated buffer possibly causing a crash, when the user visits an attacker controlled website that contains a...

EUVD-2025-35057

Stack-based Buffer Overflow in lwsadnsparselabel in warmcat libwebsockets allows, when the LWSWITHSYSASYNCDNS flag is enabled during compilation, to overflow the labelstack, when the attacker is able to sniff a DNS request in order to craft a response with a matching id containing a label longer...

EUVD-2025-35055

Out-of-bounds Write in unfilterscanline in warmcat libwebsockets allows, when the LWSWITHUPNG flag is enabled during compilation and the HTML display stack is used, to write past a heap allocated buffer possibly causing a crash, when the user visits an attacker controlled website that contains a...

Out-of-bounds Read

Overview Affected versions of this package are vulnerable to Out-of-bounds Read via the lwsupngemitnextline function when the LWSWITHUPNG flag is enabled during compilation and the HTML display stack is used. An attacker can cause a crash or read past a heap-allocated buffer by enticing a user to...

CVE-2025-11680

Out-of-bounds Write in unfilterscanline in warmcat libwebsockets allows, when the LWSWITHUPNG flag is enabled during compilation and the HTML display stack is used, to write past a heap allocated buffer possibly causing a crash, when the user visits an attacker controlled website that contains a...

DEBIAN-CVE-2025-11677

Use After Free in WebSocket server implementation in lwshandshakeserver in warmcat libwebsockets may allow an attacker, in specific configurations where the user provides a callback function that handles LWSCALLBACKHTTPCONFIRMUPGRADE, to achieve denial of service...

UBUNTU-CVE-2025-11678

Stack-based Buffer Overflow in lwsadnsparselabel in warmcat libwebsockets allows, when the LWSWITHSYSASYNCDNS flag is enabled during compilation, to overflow the labelstack, when the attacker is able to sniff a DNS request in order to craft a response with a matching id containing a label longer...

UBUNTU-CVE-2025-11679

Out-of-bounds Read in lwsupngemitnextline in warmcat libwebsockets allows, when the LWSWITHUPNG flag is enabled during compilation and the HTML display stack is used, to read past a heap allocated buffer possibly causing a crash, when the user visits an attacker controlled website that contains a...

UBUNTU-CVE-2025-11680

Out-of-bounds Write in unfilterscanline in warmcat libwebsockets allows, when the LWSWITHUPNG flag is enabled during compilation and the HTML display stack is used, to write past a heap allocated buffer possibly causing a crash, when the user visits an attacker controlled website that contains a...

UBUNTU-CVE-2025-11677

Use After Free in WebSocket server implementation in lwshandshakeserver in warmcat libwebsockets may allow an attacker, in specific configurations where the user provides a callback function that handles LWSCALLBACKHTTPCONFIRMUPGRADE, to achieve denial of service...

CVE-2025-11680

Out-of-bounds Write in unfilterscanline in warmcat libwebsockets allows, when the LWSWITHUPNG flag is enabled during compilation and the HTML display stack is used, to write past a heap allocated buffer possibly causing a crash, when the user visits an attacker controlled website that contains a...

CVE-2025-11680

Out-of-bounds Write in unfilterscanline in warmcat libwebsockets allows, when the LWSWITHUPNG flag is enabled during compilation and the HTML display stack is used, to write past a heap allocated buffer possibly causing a crash, when the user visits an attacker controlled website that contains a...

CVE-2025-11680 Out-of-bounds Write in libwebsockets PNG parsing

Out-of-bounds Write in unfilterscanline in warmcat libwebsockets allows, when the LWSWITHUPNG flag is enabled during compilation and the HTML display stack is used, to write past a heap allocated buffer possibly causing a crash, when the user visits an attacker controlled website that contains a...

CVE-2025-11680 Out-of-bounds Write in libwebsockets PNG parsing

Out-of-bounds Write in unfilterscanline in warmcat libwebsockets allows, when the LWSWITHUPNG flag is enabled during compilation and the HTML display stack is used, to write past a heap allocated buffer possibly causing a crash, when the user visits an attacker controlled website that contains a...

CVE-2025-11680

CVE-2025-11680 affects libwebsockets’ unfilter_scanline in the warmcat library. When compiled with LWS_WITH_UPNG and the HTML display stack is used, a crafted PNG with a large width can trigger an integer overflow that determines the size of a heap allocation, enabling an out-of-bounds write and ...