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CVE-2018-11555

23
FAUCET Score

CVE-2018-11555 describes an out-of-bounds write vulnerability within the tificc sample program of Little CMS 2.9, specifically in the PrecalculatedXFORM function, triggered by a crafted TIFF file. This vulnerability carries a high CVSS score of 7.8, indicating a local attack vector with low complexity, requiring user interaction, and potentially leading to high impact on confidentiality, integrity, and availability. Despite its severity, Little CMS developers do not consider it a vulnerability within the core library itself, as it pertains to a sample program's interaction with LIBTIFF. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
2.9CPE matchmatch criteria
cpe:2.3:a:littlecms:little_cms:2.9:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.8HIGH

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.07%
Probability of exploitation in next 30 days
EPSS Percentile
61.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0107 is in the 59th percentile among its peer group of 11,621 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 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

github.com / mm2/Little-CMS/issues/167
Third Party Advisory
github.com / xiaoqx/pocs/tree/master/cms
Third Party Advisory