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CVE-2011-0020

Heap-based buffer overflow in the pango_ft2_font_render_box_glyph function in pango/pangoft2...

7.6 HighPublic exploitFix available

CVE-2011-0020 is a high vulnerability (CVSS 7.6) in Gnome Pango, published January 24, 2011. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 18.9%, the 97th percentile. Fixed in pango1.0 1.28.3-1+squeeze1.

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.

Exploit likelihood

18.9%Down 15.5 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 7.6

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.

Record
CVE-2011-0020
CVSS 2.0
7.6 HighAV:N/AC:H/Au:N/C:C/I:C/A:C
Weakness
CWE-119
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2011-0020
Updated
2026-11-02
EUVDEUVD-2011-0046 No score

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.

Record
EUVD-2011-0046
Updated
2026-11-03
GitHub AdvisoriesGHSA-5c8w-jg4w-gcj2 No score

Heap-based buffer overflow in the pango_ft2_font_render_box_glyph function in pango/pangoft2...

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.

Record
GHSA-5c8w-jg4w-gcj2
Weakness
CWE-119
Updated
2026-11-02
OSV No score

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.

Record
CVE-2011-0020
Updated
2026-11-02
OSVDEBIAN-CVE-2011-0020 No score

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.

Record
DEBIAN-CVE-2011-0020
Updated
2026-11-02
OSVopenSUSE-SU-2024:10578-1 No score

libpango-1_0-0-1.40.3-1.1 on GA media

These are all security issues fixed in the libpango-1_0-0-1.40.3-1.1 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:10578-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
pango1.0
Debian:12
 before 1.28.3-1+squeeze1
1.28.3-1+squeeze1
pango1.0
Debian:13
 before 1.28.3-1+squeeze1
1.28.3-1+squeeze1
pango1.0
Debian:14
 before 1.28.3-1+squeeze1
1.28.3-1+squeeze1
evolution28-pango
Red Hat:enterprise_linux:4::as
 before 0:1.14.9-13.el4_10
0:1.14.9-13.el4_10
evolution28-pango-debuginfo
Red Hat:enterprise_linux:4::as
 before 0:1.14.9-13.el4_10
0:1.14.9-13.el4_10
evolution28-pango-devel
Red Hat:enterprise_linux:4::as
 before 0:1.14.9-13.el4_10
0:1.14.9-13.el4_10
evolution28-pango
Red Hat:enterprise_linux:4::desktop
 before 0:1.14.9-13.el4_10
0:1.14.9-13.el4_10
evolution28-pango-debuginfo
Red Hat:enterprise_linux:4::desktop
 before 0:1.14.9-13.el4_10
0:1.14.9-13.el4_10
evolution28-pango-devel
Red Hat:enterprise_linux:4::desktop
 before 0:1.14.9-13.el4_10
0:1.14.9-13.el4_10
evolution28-pango
Red Hat:enterprise_linux:4::es
 before 0:1.14.9-13.el4_10
0:1.14.9-13.el4_10
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Affected packages
PackageAffectedFixed
evolution28-pango-debuginfo
Red Hat:enterprise_linux:4::es
 before 0:1.14.9-13.el4_10
0:1.14.9-13.el4_10
evolution28-pango-devel
Red Hat:enterprise_linux:4::es
 before 0:1.14.9-13.el4_10
0:1.14.9-13.el4_10
evolution28-pango
Red Hat:enterprise_linux:4::ws
 before 0:1.14.9-13.el4_10
0:1.14.9-13.el4_10
evolution28-pango-debuginfo
Red Hat:enterprise_linux:4::ws
 before 0:1.14.9-13.el4_10
0:1.14.9-13.el4_10
evolution28-pango-devel
Red Hat:enterprise_linux:4::ws
 before 0:1.14.9-13.el4_10
0:1.14.9-13.el4_10
pango
Red Hat:enterprise_linux:5::server
 before 0:1.14.9-8.el5_6.2
0:1.14.9-8.el5_6.2
pango-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:1.14.9-8.el5_6.2
0:1.14.9-8.el5_6.2
pango-devel
Red Hat:enterprise_linux:5::server
 before 0:1.14.9-8.el5_6.2
0:1.14.9-8.el5_6.2
pango
Red Hat:enterprise_linux:6::client
 before 0:1.28.1-3.el6_0.3
0:1.28.1-3.el6_0.3
pango-debuginfo
Red Hat:enterprise_linux:6::client
 before 0:1.28.1-3.el6_0.3
0:1.28.1-3.el6_0.3
pango-devel
Red Hat:enterprise_linux:6::client
 before 0:1.28.1-3.el6_0.3
0:1.28.1-3.el6_0.3
pango
Red Hat:enterprise_linux:6::computenode
 before 0:1.28.1-3.el6_0.3
0:1.28.1-3.el6_0.3
pango-debuginfo
Red Hat:enterprise_linux:6::computenode
 before 0:1.28.1-3.el6_0.3
0:1.28.1-3.el6_0.3
pango-devel
Red Hat:enterprise_linux:6::computenode
 before 0:1.28.1-3.el6_0.3
0:1.28.1-3.el6_0.3
pango
Red Hat:enterprise_linux:6::server
 before 0:1.28.1-3.el6_0.3
0:1.28.1-3.el6_0.3
pango-debuginfo
Red Hat:enterprise_linux:6::server
 before 0:1.28.1-3.el6_0.3
0:1.28.1-3.el6_0.3
pango-devel
Red Hat:enterprise_linux:6::server
 before 0:1.28.1-3.el6_0.3
0:1.28.1-3.el6_0.3
pango
Red Hat:enterprise_linux:6::workstation
 before 0:1.28.1-3.el6_0.3
0:1.28.1-3.el6_0.3
pango-debuginfo
Red Hat:enterprise_linux:6::workstation
 before 0:1.28.1-3.el6_0.3
0:1.28.1-3.el6_0.3
pango-devel
Red Hat:enterprise_linux:6::workstation
 before 0:1.28.1-3.el6_0.3
0:1.28.1-3.el6_0.3
pango
openSUSE:Tumbleweed
 before 1.40.3-1.1
1.40.3-1.1

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBPango Font Parsing - 'pangoft2-render.c' Heap Corruption2011-01-18

History

History
WhenChangedSources
2026-11-03aliasesEUVD
2026-11-02createdCVE List, Exploit-DB, GitHub Advisories, NVD, OSV

References

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