THREATPORT/VULNERABILITY/CVE-2011-0020
HIGH SEVERITY

CVE-2011-0020

Pango vulnerability

CVSS
7.6
EPSS
18.9%
EPSS pct
97th
Exploited
No known
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.
Affected vendor
Gnome
Affected product
Pango
CVSS vector
AV:N/AC:H/Au:N/C:C/I:C/A:C
Weakness type (CWE)
  • CWE-119 — Improper Restriction of Operations within Memory Bounds
Published
2011-01-24

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, high attack complexity, requiring no authentication. Successful exploitation leads to complete impact to confidentiality, complete impact to integrity, complete impact to availability.

Its EPSS score of 18.9% reflects a moderate probability of exploitation activity in the wild over the next 30 days, placing it above 97% of all scored CVEs.

Check your external exposure to CVE-2011-0020

  • Confirm whether Gnome Pango is running on any internet-facing host or subdomain.
  • Match discovered service fingerprints against the version affected by CVE-2011-0020.
  • Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2011-0020

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2011-0020 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

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