CVE-2011-0020

Pango < 1.28.3 - Heap-Based Buffer Overflow via Crafted Font File

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2011-0020. PoCs published by Dan Rosenberg.

AI-analyzed exploit summary The provided text describes a remote heap-corruption vulnerability in Pango (CVE-2011-0020) that could lead to arbitrary code execution or denial-of-service. However, no actual exploit code is included; only a reference to a binary exploit hosted on GitLab.

Description

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.

Exploits (1)

exploitdb WRITEUP VERIFIED
by Dan Rosenberg · textremotelinux
https://www.exploit-db.com/exploits/35232

The provided text describes a remote heap-corruption vulnerability in Pango (CVE-2011-0020) that could lead to arbitrary code execution or denial-of-service. However, no actual exploit code is included; only a reference to a binary exploit hosted on GitLab.

Classification
Writeup 90%
Attack Type
Rce
Complexity
Moderate
Reliability
Theoretical
Target: Pango (version not specified)
No auth needed
Prerequisites: Vulnerable version of Pango · Ability to deliver malicious input to the target application
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (15)

Core 15
Core References
Issue Tracking x_refsource_misc
https://bugzilla.gnome.org/show_bug.cgi?id=639882
Third Party Advisory, VDB Entry vdb-entry x_refsource_sectrack
http://www.securitytracker.com/id?1024994
Third Party Advisory, VDB Entry vdb-entry x_refsource_xf
https://exchange.xforce.ibmcloud.com/vulnerabilities/64832
Exploit mailing-list x_refsource_mlist
http://openwall.com/lists/oss-security/2011/01/18/6
Third Party Advisory, VDB Entry vdb-entry x_refsource_osvdb
http://osvdb.org/70596
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/43100
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2011-0180.html
Exploit mailing-list x_refsource_mlist
http://openwall.com/lists/oss-security/2011/01/20/2
Vendor Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2011/0186
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/42934
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/45842
Third Party Advisory vdb-entry x_refsource_vupen
http://www.vupen.com/english/advisories/2011/0238

Scores

EPSS 0.1894
EPSS Percentile 96.9%

Details

CWE
CWE-119
Status published
Products (39)
gnome/pango 1.28.0
gnome/pango 1.28.1
gnome/pango 1.28.2
gnome/pango < 1.28.3
pango/pango 0.20
pango/pango 0.21
pango/pango 0.22
pango/pango 0.23
pango/pango 0.24
pango/pango 0.25
... and 29 more
Published Jan 24, 2011
Tracked Since Feb 18, 2026