WordPress MW Font Changer <=4.2.5 - Cross-Site Scripting

WordPress MW Font Changer plugin 4.2.5 and before contains a cross-site scripting vulnerability which allows an attacker to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication...

WordPress Admin Font Editor <=1.8 - Cross-Site Scripting

WordPress Admin Font Editor 1.8 and before contains a reflected cross-site scripting vulnerability which allows an attacker to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site. This can allow the attacker to steal cookie-based authentication...

[slackware-security] libXfont2

New libXfont2 packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/libXfont2-2.0.8-i586-1slack15.0.txz: Upgraded. This update fixes security issues: BitmapScaleBitmaps Integer Overflow Heap Buffer...

CVE-2026-55999

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...

xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: stack buffer overflow in font alias resolution due to libXfont2 name length mismatch

A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer overflow during font alias resolution. The server allocates a 256 byte stack buffer but libXfont2's alias...

xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: stack buffer overflow in font alias resolution due to libXfont2 name length mismatch

A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer overflow during font alias resolution. The server allocates a 256 byte stack buffer but libXfont2's alias...

xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: stack buffer overflow in font alias resolution due to libXfont2 name length mismatch

A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer overflow during font alias resolution. The server allocates a 256 byte stack buffer but libXfont2's alias...

xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: stack buffer overflow in font alias resolution due to libXfont2 name length mismatch

A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer overflow during font alias resolution. The server allocates a 256 byte stack buffer but libXfont2's alias...

CVE-2026-56003

Summary: CVE-2026-56003 describes a heap buffer overflow in libXfont2’s PCF parsing (ComputeScaledProperties) due to missing size checks, affecting libXfont2 up to version before 2.0.8. Impact per sources: authenticated X clients could trigger code execution in the X server (per NVD entry). Affec...

xorg-x11-server: xorg-x11-server-Xwayland: xorg-x11-server: stack buffer overflow in font alias resolution due to libXfont2 name length mismatch

A stack-based buffer overflow flaw was found in the X.Org X server and Xwayland. A mismatch between the X server and the libXfont2 library's maximum font name length can cause a stack buffer overflow during font alias resolution. The server allocates a 256 byte stack buffer but libXfont2's alias...

CVE-2026-56002 libXfont2 PCF Font Parsing Heap Buffer Overflow

A heap bufferflow in pcfReadFont due to missing glyph bounds checking in libXfont2 before 2.0.8 allows attackers authenticated as X client to execute code within the X server...

CVE-2026-56002

A heap bufferflow in pcfReadFont due to missing glyph bounds checking in libXfont2 before 2.0.8 allows attackers authenticated as X client to execute code within the X server...

CVE-2026-56002

The CVE-2026-56002 entry describes a heap buffer overflow in libXfont2’s PCF font parsing (pcfReadFont) due to missing glyph bounds checking, affecting libXfont2 before 2.0.8. An authenticated X client could potentially execute code in the X server. The provided metrics indicate a HIGH severity (...

CVE-2026-55999

Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph boundary checks...

CVE-2026-55999

CVE-2026-55999 affects xorg-server (before 21.2.24) and xwayland (before 24.1.13). A local attacker with a X connection can trigger a heap buffer overflow in glamor font atlas via SetFont due to missing glyph boundary checks. Impact is a potential heap corruption, with high likelihood of exploita...

CVE-2026-55999

Local attackers with a X connection able to provide PCX fonts to the X server xorg-server before 21.2.24 and xwayland before 24.1.13 could cause a heap buffer overflow via SetFont due to missing glyph boundary checks...

CVE-2026-55633

DataEase is an open source data visualization and analysis tool. Prior to 2.10.24, a bypass of the H2 zip protocol and file dropper fix allows an authenticated attacker to upload a zip archive disguised with a .ttf extension through FontManage.saveFile and then exploit it through the zip protocol...

CVE-2026-55631

DataEase is an open source data visualization and analysis tool. Prior to 2.10.24, the font management module allows authenticated users to submit an arbitrary fileTransName when creating a font record; when the record is later deleted, the backend concatenates that stored value with the font...

CVE-2026-55633 DataEase H2 RCE via Zip Protocol & File Dropper Fix bypass

DataEase is an open source data visualization and analysis tool. Prior to 2.10.24, a bypass of the H2 zip protocol and file dropper fix allows an authenticated attacker to upload a zip archive disguised with a .ttf extension through FontManage.saveFile and then exploit it through the zip protocol...

CVE-2026-55633

DataEase is an open source data visualization and analysis tool. Prior to 2.10.24, a bypass of the H2 zip protocol and file dropper fix allows an authenticated attacker to upload a zip archive disguised with a .ttf extension through FontManage.saveFile and then exploit it through the zip protocol...