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CVE-2011-0191

31
FAUCET Score

CVE-2011-0191 is a critical buffer overflow vulnerability in LibTIFF 3.9.4, affecting Apple iTunes on Windows and potentially other products that use LibTIFF. An unauthenticated remote attacker can exploit this by enticing a user to open a specially crafted TIFF image with JPEG encoding, leading to arbitrary code execution or a denial of service. With a CVSS score of 9.3, this vulnerability is highly severe, requiring medium attack complexity but offering complete confidentiality, integrity, and availability impact. Despite its high severity and potential impact, there is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 10.1.2CPE matchmatch criteria
cpe:2.3:a:apple:itunes:*:*:*:*:*:*:*:*
4.0.0CPE matchmatch criteria
cpe:2.3:a:apple:itunes:4.0.0:*:*:*:*:*:*:*
4.0.1CPE matchmatch criteria
cpe:2.3:a:apple:itunes:4.0.1:*:*:*:*:*:*:*
4.1.0CPE matchmatch criteria
cpe:2.3:a:apple:itunes:4.1.0:*:*:*:*:*:*:*
4.2.0CPE matchmatch criteria
cpe:2.3:a:apple:itunes:4.2.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

9.3HIGH

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

Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
10.0
CvssVersion
2.0

Exploit Intelligence

EPSS Score
6.72%
Probability of exploitation in next 30 days
EPSS Percentile
93.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0672 is in the 69th percentile among its peer group of 8,913 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 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 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (1)

applevendor investigatingvia nvd_reference
View patch

Vendor Advisories (1)

redhatCVE-2011-0191Important

libtiff: buffer overflow in JPEGDecode

Mar 2, 2011

References

lists.apple.com / archives/security-announce/2011/Mar/msg00000.html
PatchVendor Advisory
lists.apple.com / archives/security-announce/2011//Mar/msg00003.html
lists.apple.com / archives/security-announce/2011//Mar/msg00004.html
lists.apple.com / archives/security-announce/2011//Mar/msg00005.html
lists.apple.com / archives/security-announce/2011/Mar/msg00006.html
lists.opensuse.org / opensuse-security-announce/2011-04/msg00000.html
lists.opensuse.org / opensuse-security-announce/2011-05/msg00005.html
secunia.com / advisories/43934
support.apple.com / kb/HT4554
Vendor Advisory
support.apple.com / kb/HT4564
support.apple.com / kb/HT4565
support.apple.com / kb/HT4566
support.apple.com / kb/HT4581
debian.org / security/2011/dsa-2210
mandriva.com / security/advisories
securityfocus.com / bid/46657
vupen.com / english/advisories/2011/0845
vupen.com / english/advisories/2011/0859