CVE-2011-0020 EXPLOIT
7.6
HIGH · CVSS 2.0 · EPSS 18.9% (pctl 97)
Patch early
A public exploit exists.
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.
Scoring
| CVSS | 7.6 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:H/Au:N/C:C/I:C/A:C |
| EPSS | 18.94% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2011-01-24 |
| Last modified | 2026-06-16 |
Affected (2)
| Vendor | Product |
|---|---|
| gnome | pango |
| pango | pango |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | Pango Font Parsing - 'pangoft2-render.c' Heap Corruption | 2011-01-18 |
References
- http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
- http://openwall.com/lists/oss-security/2011/01/18/6
- http://openwall.com/lists/oss-security/2011/01/20/2
- http://osvdb.org/70596
- http://secunia.com/advisories/42934
- http://secunia.com/advisories/43100
- http://www.redhat.com/support/errata/RHSA-2011-0180.html
- http://www.securityfocus.com/bid/45842
- http://www.securitytracker.com/id?1024994
- http://www.vupen.com/english/advisories/2011/0186
- http://www.vupen.com/english/advisories/2011/0238
- https://bugs.launchpad.net/ubuntu/+source/pango1.0/+bug/696616
- https://bugzilla.gnome.org/show_bug.cgi?id=639882
- https://bugzilla.redhat.com/show_bug.cgi?id=671122
- https://exchange.xforce.ibmcloud.com/vulnerabilities/64832
- http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00000.html
- http://openwall.com/lists/oss-security/2011/01/18/6
- http://openwall.com/lists/oss-security/2011/01/20/2
- http://osvdb.org/70596
- http://secunia.com/advisories/42934
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