CVE-2025-27835

An issue was discovered in Artifex Ghostscript before 10.05.0. A buffer overflow occurs when converting glyphs to Unicode in psi/zbfont.c...

An out of bounds write exists in FreeType versions 2.13.0 and below (newer versions of FreeType are not vulnerable) when attempting to parse font subglyph structures related to TrueType GX and variable font files. The vulnerable code assigns a signed short value to an unsigned long and then adds a static value causing it to wrap around and allocate too small of a heap buffer. The code then writes up to 6 signed long integers out of bounds relative to this buffer. This may result in arbitrary code execution. This vulnerability may have been exploited in the wild.

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Medium: harfbuzz

Issue Overview: HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hbcairoglyphsfrombuffer function. CVE-2024-56732 Affected Packages: harfbuzz Issue Correction: Run dnf update harfbuzz --releasever 2023.6.20250218 or dnf update...

HarfBuzz heap-buffer-overflow on hb_cairo_glyphs_from_buffer

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OESA-2025-1019 harfbuzz security update

HarfBuzz is a text-shaping engine. If you give HarfBuzz a font and a string containing a sequence of Unicode codepoints, HarfBuzz selects and positions the corresponding glyphs from the font, applying all of the necessary layout rules and font features. HarfBuzz then returns the string to you in...

OESA-2025-1009 harfbuzz security update

HarfBuzz is a text-shaping engine. If you give HarfBuzz a font and a string containing a sequence of Unicode codepoints, HarfBuzz selects and positions the corresponding glyphs from the font, applying all of the necessary layout rules and font features. HarfBuzz then returns the string to you in...

SUSE CVE-2024-56732

HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hbcairoglyphsfrombuffer function...

DEBIAN-CVE-2024-56732

HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hbcairoglyphsfrombuffer function...

AZL-54701 CVE-2024-56732 affecting package qtbase for versions less than 6.6.3-2

HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hbcairoglyphsfrombuffer function...

UBUNTU-CVE-2024-56732

HarfBuzz is a text shaping engine. Starting with 8.5.0 through 10.0.1, there is a heap-based buffer overflow in the hbcairoglyphsfrombuffer function...

PT-2024-37045

Name of the Vulnerable Software and Affected Versions HarfBuzz versions 8.5.0 through 10.0.1 Description HarfBuzz is a text shaping engine. There is a heap-based buffer overflow in the hb cairo glyphs from buffer function. This issue may allow a remote attacker to execute arbitrary code on the...

HarfBuzz 安全漏洞

HarfBuzz is a text engine for OpenType fonts from the HarfBuzz open source. A security vulnerability exists in HarfBuzz versions 8.5.0 through 10.0.1, which stems from a heap-based buffer overflow in the hbcairoglyphsfrombuffer function...

xorg-x11-server: Use-after-free in ProcRenderAddGlyphs

A use-after-free vulnerability was found in the ProcRenderAddGlyphs function of Xorg servers. This issue occurs when AllocateGlyph is called to store new glyphs sent by the client to the X server, potentially resulting in multiple entries pointing to the same non-refcounted glyphs. Consequently,...

xorg-x11-server: Use-after-free in ProcRenderAddGlyphs

A use-after-free vulnerability was found in the ProcRenderAddGlyphs function of Xorg servers. This issue occurs when AllocateGlyph is called to store new glyphs sent by the client to the X server, potentially resulting in multiple entries pointing to the same non-refcounted glyphs. Consequently,...

Apple macOS CoreFoundation Font Glyphs Parsing Out-Of-Bounds Read Information Disclosure Vulnerability

This vulnerability allows remote attackers to disclose sensitive information on affected installations of Apple macOS. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the...

OESA-2024-2042 xorg-x11-server-xwayland security update

Xwayland is an X server for running X clients under Wayland. %package devel Summary: Development package Requires: pkgconfig %description devel The development package provides the developmental files which are necessary for developing Wayland compositors using Xwayland. %prep %autosetup -n...

OESA-2024-2041 xorg-x11-server-xwayland security update

Xwayland is an X server for running X clients under Wayland. %package devel Summary: Development package Requires: pkgconfig %description devel The development package provides the developmental files which are necessary for developing Wayland compositors using Xwayland. %prep %autosetup -n...

freetype2:glyphs-bitmaps-pcf: Heap-buffer-overflow in ft_var_readpackeddeltas

Detailed Report: https://oss-fuzz.com/testcase?key=5303908065411072 Project: freetype2 Fuzzing Engine: libFuzzer Fuzz Target: glyphs-bitmaps-pcf Job Type: libfuzzerasanfreetype2 Platform Id: linux Crash Type: Heap-buffer-overflow READ 1 Crash Address: 0x518000000be4 Crash State:...

xorg-x11-server: Use-after-free in ProcRenderAddGlyphs

A use-after-free vulnerability was found in the ProcRenderAddGlyphs function of Xorg servers. This issue occurs when AllocateGlyph is called to store new glyphs sent by the client to the X server, potentially resulting in multiple entries pointing to the same non-refcounted glyphs. Consequently,...

xorg-x11-server: Use-after-free in ProcRenderAddGlyphs

A use-after-free vulnerability was found in the ProcRenderAddGlyphs function of Xorg servers. This issue occurs when AllocateGlyph is called to store new glyphs sent by the client to the X server, potentially resulting in multiple entries pointing to the same non-refcounted glyphs. Consequently,...