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CVE-2015-8366

28
FAUCET Score

CVE-2015-8366 is a critical array index error in the smal_decode_segment function of LibRaw versions prior to 0.17.1, affecting products utilizing this library. This vulnerability carries a CVSS score of 9.8 (CRITICAL), indicating it can be exploited remotely with low attack complexity, potentially leading to memory corruption and arbitrary code execution with high impact on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, publicly available exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.17.1CPE matchmatch criteria
cpe:2.3:a:libraw:libraw:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
4.94%
Probability of exploitation in next 30 days
EPSS Percentile
91.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0494 is in the 85th percentile among its peer group of 36,833 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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)

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
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: dcraw
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: LibRaw

Vendor Advisories (1)

redhatCVE-2015-8366Moderate

LibRaw: Index overflow in smal_decode_segment

Nov 30, 2015

References

packetstormsecurity.com / files/134573/LibRaw-0.17-Overflow.html
Third Party AdvisoryVDB Entry
seclists.org / fulldisclosure/2015/Nov/108
Mailing ListThird Party Advisory
libraw.org / news/libraw-0-17-1
Vendor Advisory