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Fencer Vulns
medium 5.0

CVE-2006-0747 json

Integer underflow in Freetype before 2.2 allows remote attackers to cause a denial of service (crash) via a font file with an odd number of…

published 2006-05-23 20 y ago modified 2026-06-16 4 mo ago also EUVD-2006-0753

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
12.7%
EPSS 12.7% chance of exploitation in 30 days, percentile 96%
public exploits
1
Exploit-DB

Summary

Integer underflow in Freetype before 2.2 allows remote attackers to cause a denial of service (crash) via a font file with an odd number of blue values, which causes the underflow when decrementing by 2 in a context that assumes an even number of values.

Patch / fix

  • freetype Debian 14, Debian 13, Debian 12 2.2.1-1

debian advisories DEBIAN-CVE-2006-0747

  • freetype RHEL 3 2.1.4-4.0.rhel3.2
  • freetype RHEL 4 2.1.9-1.rhel4.4
  • freetype-demos RHEL 4 2.1.9-1.rhel4.4
  • freetype-utils RHEL 4 2.1.9-1.rhel4.4

red hat advisories RHSA-2006:0500

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2006-0747 updated

security flaw

  • Red Hat Desktop version 3 freetype 2.1.4-4.0.rhel3.2 Red Hat Enterprise Linux AS version 3 freetype 2.1.4-4.0.rhel3.2 Red Hat Enterprise Linux AS version 4 freetype 2.1.9-1.rhel4.4, freetype-demos 2.1.9-1.rhel4.4, freetype-utils 2.1.9-1.rhel4.4 Red Hat Enterprise Linux Desktop version 4 freetype 2.1.9-1.rhel4.4, freetype-demos 2.1.9-1.rhel4.4, freetype-utils 2.1.9-1.rhel4.4 Red Hat Enterprise Linux ES version 3 freetype 2.1.4-4.0.rhel3.2 Red Hat Enterprise Linux ES version 4 freetype 2.1.9-1.rhel4.4, freetype-demos 2.1.9-1.rhel4.4, freetype-utils 2.1.9-1.rhel4.4
    +2 more products
    Red Hat Enterprise Linux WS version 3 freetype 2.1.4-4.0.rhel3.2 Red Hat Enterprise Linux WS version 4 freetype 2.1.9-1.rhel4.4, freetype-demos 2.1.9-1.rhel4.4, freetype-utils 2.1.9-1.rhel4.4
    fixed: vendor fix RHSA-2006:0500

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. Published
  2. First public exploit (EDB-27992)

Exploit prediction

12.72% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-27992 FreeType - '.TTF' File Remote Buffer Overflow remote, 2006-06-08

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.