Public Date:
671122: CVE-2011-0020 pango: Heap-based buffer overflow by rendering glyph box for certain FT_Bitmap objects

The MITRE CVE dictionary describes this issue as:

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.

Find out more about CVE-2011-0020 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v2 metrics

NOTE: The following CVSS v2 metrics and score provided are preliminary and subject to review.

Base Score 5.1
Base Metrics AV:N/AC:H/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity High
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial

Find out more about Red Hat support for the Common Vulnerability Scoring System (CVSS).

Red Hat Security Errata

Platform Errata Release Date
Red Hat Enterprise Linux version 6 (pango) RHSA-2011:0180 2011-01-27
Red Hat Enterprise Linux version 5 (pango) RHSA-2011:0180 2011-01-27
Red Hat Enterprise Linux version 4 (evolution28-pango) RHSA-2011:0180 2011-01-27

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 4 pango Not affected