libXfont2: PCF Font Parsing Heap Buffer Overflow

A flaw was found in libXfont2. A specially crafted PCF Portable Compiled Format font file, when processed by libXfont2, can lead to a buffer overflow. This occurs because the font parsing process does not properly validate the size of a bitmap buffer against the glyph metrics provided in the...

WordPress Advanced Custom Fields: Font Awesome Field plugin <= 6.1.2 - Broken Access Control vulnerability

Broken Access Control vulnerability discovered by Ananda Dhakal Patchstack in WordPress Plugin Advanced Custom Fields: Font Awesome Field versions = 6.1.2...

CVE-2026-44950

A flaw was found in the libXfont2 font-server client. This heap buffer overflow vulnerability allows a malicious font server to send specially crafted glyph data. The fsreadglyphs function fails to properly validate the total size of the incoming data, leading to an overwrite of memory beyond the...

CVE-2026-59679

A flaw was found in the libXfont2 font-server client. A remote attacker, by operating a malicious font server, could exploit an out-of-bounds read/write vulnerability. This occurs because the client incorrectly handles font data, leading to an out-of-bounds memory access. This can lead to privile...

SUSE-SU-2026:23128-1 Security update for libXfont2

This update for libXfont2 fixes the following issues: - CVE-2026-44950: fsreadglyphs heap buffer overflow via cumulative glyph data overflow bsc1272661. - CVE-2026-59679: fsreadglyphs heap OOB read/write via encoding array index mismatch bsc1272660...

CVE-2026-66678: Missing Authorization

Contributor Broken Access Control in Advanced Custom Fields: Font Awesome Field = 6.1.1 versions...

EulerOS 2.0 SP13 : python-pillow (EulerOS-SA-2026-2992)

According to the versions of the python-pillow packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : Pillow is a Python imaging library. From version 4.2.0 to before version 12.2.0, an attacker can supply a malicious PDF that causes the...

RHEL 9 : libXfont2 (RHSA-2026:51059)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:51059 advisory. X.Org X11 libXfont2 runtime library Security Fixes: libXfont2: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow CVE-2026-56001...

The vulnerability of the PDFium component in Google Chrome and Microsoft Edge web browsers allows a hacker to trigger a service failure.

The vulnerability of the PDFium component in Google Chrome and Microsoft Edge browsers is related to errors in HTTP requests processing. Exploiting this vulnerability can allow an attacker to cause service interruptions using a specially created font file...

RHEL 9 : libXfont2 (RHSA-2026:51058)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:51058 advisory. X.Org X11 libXfont2 runtime library Security Fixes: libXfont2: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow CVE-2026-56001...

AlmaLinux 9 : libXfont2 (ALSA-2026:47084)

The remote AlmaLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:47084 advisory. libXfont2: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow CVE-2026-56001 libXfont2: PCF Font Parsing Heap Buffer Overflow CVE-2026-56002 Tenabl...

TencentOS Server 3: libXfont2 (TSSA-2026:0818)

The version of Tencent Linux installed on the remote TencentOS Server 3 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0818 advisory. Package updates are available for TencentOS Server 3 that fix the following vulnerabilities...

RHEL 8 : libXfont2 (RHSA-2026:51060)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:51060 advisory. X.Org X11 libXfont2 runtime library Security Fixes: libXfont2: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow CVE-2026-56001...

RHEL 8 : libXfont2 (RHSA-2026:51066)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:51066 advisory. X.Org X11 libXfont2 runtime library Security Fixes: libXfont2: BitmapScaleBitmaps Integer Overflow Heap Buffer Overflow CVE-2026-56001...

The vulnerability of the Font component in Google Chrome and Microsoft Edge web browsers allows a hacker to trigger a service failure.

The vulnerability of the Font component in Google Chrome and Microsoft Edge relates to errors in HTTP request processing. Exploiting this vulnerability can allow a malicious actor to cause service interruptions through a specially created HTML page...

xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer Overflow

A flaw was found in the glamorfontget function of the xorg-x11-server. This vulnerability, a heap buffer overflow, occurs when the server processes a specially crafted PCF font file where individual glyph metrics exceed the declared maximum bounds. An authenticated X client can exploit this by...

PT-2026-69024

Name of the Vulnerable Software and Affected Versions libXfont2 versions prior to 2.0.7-3.1 Description A heap buffer overflow occurs in the Font Server Client when handling cumulative glyph data. A heap buffer overflow is a memory corruption issue where a program writes more data to a...

PT-2026-69028

Name of the Vulnerable Software and Affected Versions libXfont2 versions prior to 2.0.7-3.1 Description A font server client issue allows for out-of-bounds read and write operations. Out-of-bounds read/write occurs when a program reads or writes data outside the boundaries of the intended buffer,...

RHEL 9 : xorg-x11-server-Xwayland (RHSA-2026:50718)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:50718 advisory. Xwayland is an X server for running X clients under Wayland. Security Fixes: xorg: X11: xserver: X.org: glamor Font Atlas Heap Buffer...

python-pillow: Pillow: Denial of Service via crafted BDF font file

A flaw was found in Pillow, a Python imaging library. This vulnerability allows a remote attacker to cause a Denial of Service DoS by providing a specially crafted BDF font file. The library's image processing function fails to properly validate dimensions from the font file, bypassing a critical...