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CVE-2010-0421

libpangoft2 segfaults on forged font files

Array index error in the hb_ot_layout_build_glyph_classes function in pango/opentype/hb-ot-layout.cc in Pango before 1.27.1 allows context-dependent attackers to cause a denial of service (application crash) via a crafted font file, related to building a synthetic Glyph Definition (aka GDEF) table by using this font's charmap and the Unicode property database.

CVSS 2.0 · 4.3 Medium EPSS 2.4% KEV · Not listed
Vendors
Gnome Redhat
Products
Pango Enterprise Linux
CVE-2011-0020

pango: Heap-based buffer overflow by rendering glyph box for certain FT_Bitmap objects

Heap-based buffer overflow in the pango_ft2_font_render_box_glyph function in pango/pangoft2-render.c in libpango in Pango 1.28.3 and earlier, when the FreeType2 backend is enabled, allows user-assisted remote attackers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted font file, related to the glyph box for an FT_Bitmap object.

CVSS 2.0 · 7.6 High EPSS 18.9% KEV · Not listed
Vendors
Gnome Pango Redhat
Products
Pango Pango Enterprise Linux
CVE-2011-0064

pango: missing memory reallocation failure checking in hb_buffer_ensure

The hb_buffer_ensure function in hb-buffer.c in HarfBuzz, as used in Pango 1.28.3, Firefox, and other products, does not verify that memory reallocations succeed, which allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) or possibly execute arbitrary code via crafted OpenType font data that triggers use of an incorrect index.

CVSS 2.0 · 6.8 Medium EPSS 3.3% KEV · Not listed
Vendors
Gnome Mozilla Redhat
Products
Pango Firefox Enterprise Linux
CVE-2011-3193

qt/harfbuzz buffer overflow

Heap-based buffer overflow in the Lookup_MarkMarkPos function in the HarfBuzz module (harfbuzz-gpos.c), as used by Qt before 4.7.4 and Pango, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted font file.

CVSS 2.0 · 9.3 Critical EPSS 7.2% KEV · Not listed
Vendors
Canonical Gnome Opensuse and 2 more
Products
Ubuntu Linux Pango Opensuse and 6 more
CVE-2019-1010238

pango: pango_log2vis_get_embedding_levels() heap-based buffer overflow

Gnome Pango 1.42 and later is affected by: Buffer Overflow. The impact is: The heap based buffer overflow can be used to get code execution. The component is: function name: pango_log2vis_get_embedding_levels, assignment of nchars and the loop condition. The attack vector is: Bug can be used when application pass invalid utf-8 strings to functions like pango_itemize.

CVSS 3.1 · 9.8 Critical EPSS 6.3% KEV · Not listed
Vendors
Canonical Debian Fedoraproject and 3 more
Products
Ubuntu Linux Debian Linux Fedora and 11 more
CVE-2018-15120

pango: application crash triggered by unicode chars in pango-emoji.c

libpango in Pango 1.40.8 through 1.42.3, as used in hexchat and other products, allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact via crafted text with invalid Unicode sequences.

CVSS 3.1 · 6.5 Medium EPSS 11.4% KEV · Not listed
Vendors
Canonical Gnome
Products
Ubuntu Linux Pango