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CVE-2012-4447

25
FAUCET Score

CVE-2012-4447 is a heap-based buffer overflow vulnerability in LibTIFF versions prior to 4.0.3, specifically within the tif_pixarlog.c component. This flaw allows remote attackers to trigger a denial of service (application crash) and potentially execute arbitrary code by supplying a specially crafted TIFF image utilizing the PixarLog Compression format. With a CVSS score of 6.8, this vulnerability has a network attack vector and medium attack complexity, potentially leading to partial confidentiality, integrity, and availability impacts. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
<= 4.0.2CPE matchmatch criteria
cpe:2.3:a:libtiff:libtiff:*:*:*:*:*:*:*:*
3.4CPE matchmatch criteria
cpe:2.3:a:libtiff:libtiff:3.4:*:*:*:*:*:*:*
3.4CPE matchmatch criteria
cpe:2.3:a:libtiff:libtiff:3.4:beta18:*:*:*:*:*:*
3.4CPE matchmatch criteria
cpe:2.3:a:libtiff:libtiff:3.4:beta24:*:*:*:*:*:*
3.4CPE matchmatch criteria
cpe:2.3:a:libtiff:libtiff:3.4:beta28:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
6.73%
Probability of exploitation in next 30 days
EPSS Percentile
93.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0673 is in the 92nd percentile among its peer group of 19,956 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: libtiff-0:3.8.2-18.el5_8
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: libtiff-0:3.9.4-9.el6_3
View patch

Vendor Advisories (1)

redhatCVE-2012-4447Moderate

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

Sep 22, 2012

References

lists.opensuse.org / opensuse-updates/2013-01/msg00076.html
rhn.redhat.com / errata/RHSA-2012-1590.html
bugzilla.redhat.com / show_bug.cgi
secunia.com / advisories/49938
Vendor Advisory
secunia.com / advisories/51049
Vendor Advisory
debian.org / security/2012/dsa-2561
openwall.com / lists/oss-security/2012/09/25/14
openwall.com / lists/oss-security/2012/09/25/9
remotesensing.org / libtiff/v4.0.3.html
securityfocus.com / bid/55673
ubuntu.com / usn/USN-1631-1