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Fencer Intel
medium 6.8

CVE-2012-4447 json

Heap-based buffer overflow in tif_pixarlog.c in LibTIFF before 4.0.3 allows remote attackers to cause a denial of service (application cras…

published 2012-10-28 14 y ago modified 2026-06-16 4 mo ago also EUVD-2012-4379

cvss
6.8
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.7%
EPSS 6.7% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

Heap-based buffer overflow in tif_pixarlog.c in LibTIFF before 4.0.3 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted TIFF image using the PixarLog Compression format.

Patch / fix

  • tiff Debian 14, Debian 13, Debian 12 4.0.2-4

debian advisories DEBIAN-CVE-2012-4447

  • libtiff RHEL 5 3.8.2-18.el5_8
  • libtiff RHEL 6 3.9.4-9.el6_3

red hat advisories RHSA-2012:1590

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-2012-4447 updated cvss 6.8

libtiff: Heap-buffer overflow when processing a TIFF image with PixarLog Compression

  • Red Hat Enterprise Linux (v. 5 server) libtiff 3.8.2-18.el5_8 Red Hat Enterprise Linux Desktop (v. 5 client) libtiff 3.8.2-18.el5_8 Red Hat Enterprise Linux Desktop (v. 6) libtiff 3.9.4-9.el6_3 Red Hat Enterprise Linux Desktop Optional (v. 6) libtiff 3.9.4-9.el6_3 Red Hat Enterprise Linux HPC Node (v. 6) libtiff 3.9.4-9.el6_3 Red Hat Enterprise Linux HPC Node Optional (v. 6) libtiff 3.9.4-9.el6_3
    +5 more products
    Red Hat Enterprise Linux Server (v. 6) libtiff 3.9.4-9.el6_3 Red Hat Enterprise Linux Server Optional (v. 6) libtiff 3.9.4-9.el6_3 Red Hat Enterprise Linux Workstation (v. 6) libtiff 3.9.4-9.el6_3 Red Hat Enterprise Linux Workstation Optional (v. 6) libtiff 3.9.4-9.el6_3 Red Hat RHEL Desktop Workstation (v. 5 client) libtiff 3.8.2-18.el5_8
    fixed: vendor fix RHSA-2012:1590

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

6.73% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 6.8 AV:N/AC:M/Au:N/C:P/I:P/A:P

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.