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CVE-2018-19566

23
FAUCET Score

CVE-2018-19566 describes a heap buffer over-read vulnerability in the parse_tiff_ifd function of dcraw through version 9.28, affecting applications that bundle this code. This flaw carries a CVSSv3 score of 7.1 (HIGH), indicating that an attacker could crash an application or leak sensitive information by providing a specially crafted malicious file, requiring user interaction. While the vulnerability is significant, there is no evidence of active exploitation, public exploit code, or notable community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
<= 9.28CPE matchmatch criteria
cpe:2.3:a:dcraw_project:dcraw:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.1HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.2
CvssVersion
3.0

Exploit Intelligence

EPSS Score
1.07%
Probability of exploitation in next 30 days
EPSS Percentile
61.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0107 is in the 59th percentile among its peer group of 11,616 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

Vendor Patches (4)

redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: dcraw
redhatvendor investigatingvia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: dcraw
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: dcraw
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: dcraw

Vendor Advisories (1)

redhatCVE-2018-19566Low

dcraw: Heap buffer over-read in parse_tiff_ifd resulting in a denial of service or information leak

Nov 23, 2018

References

seclists.org / oss-sec/2018/q4/165
Mailing ListThird Party Advisory
seclists.org / oss-sec/2018/q4/171
Mailing ListThird Party Advisory