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Fencer Intel
critical 9.3

CVE-2012-1139 json

Array index error in FreeType before 2.4.9, as used in Mozilla Firefox Mobile before 10.0.4 and other products, allows remote attackers to…

published 2012-04-25 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-1173

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.8%
EPSS 3.8% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

Array index error in FreeType before 2.4.9, as used in Mozilla Firefox Mobile before 10.0.4 and other products, allows remote attackers to cause a denial of service (invalid stack read operation and memory corruption) or possibly execute arbitrary code via crafted glyph data in a BDF font.

Patch / fix

  • freetype Debian 14, Debian 13, Debian 12 2.4.9-1

debian advisories DEBIAN-CVE-2012-1139

  • freetype RHEL 5 2.2.1-31.el5_8.1
  • freetype RHEL 6 2.3.11-6.el6_2.9
  • freetype-demos RHEL 5 2.2.1-31.el5_8.1
  • freetype-demos RHEL 6 2.3.11-6.el6_2.9

red hat advisories RHSA-2012:0467

  • freetype2 openSUSE Tumbleweed 2.7-1.1

opensuse advisories openSUSE-SU-2024:10438-1

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-2012-1139 updated cvss 2.6

freetype: data buffer underflow in BDF parser _bdf_parse_glyphs() (#35656)

  • Red Hat Enterprise Linux (v. 5 server) freetype 2.2.1-31.el5_8.1, freetype-demos 2.2.1-31.el5_8.1 Red Hat Enterprise Linux Desktop (v. 5 client) freetype 2.2.1-31.el5_8.1 Red Hat Enterprise Linux Desktop (v. 6) freetype 2.3.11-6.el6_2.9 Red Hat Enterprise Linux Desktop Optional (v. 6) freetype 2.3.11-6.el6_2.9, freetype-demos 2.3.11-6.el6_2.9 Red Hat Enterprise Linux HPC Node (v. 6) freetype 2.3.11-6.el6_2.9 Red Hat Enterprise Linux HPC Node Optional (v. 6) freetype 2.3.11-6.el6_2.9, freetype-demos 2.3.11-6.el6_2.9
    +5 more products
    Red Hat Enterprise Linux Server (v. 6) freetype 2.3.11-6.el6_2.9 Red Hat Enterprise Linux Server Optional (v. 6) freetype 2.3.11-6.el6_2.9, freetype-demos 2.3.11-6.el6_2.9 Red Hat Enterprise Linux Workstation (v. 6) freetype 2.3.11-6.el6_2.9 Red Hat Enterprise Linux Workstation Optional (v. 6) freetype 2.3.11-6.el6_2.9, freetype-demos 2.3.11-6.el6_2.9 Red Hat RHEL Desktop Workstation (v. 5 client) freetype 2.2.1-31.el5_8.1, freetype-demos 2.2.1-31.el5_8.1
    fixed: vendor fix RHSA-2012:0467

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

Exploit prediction

3.77% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Intel 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.