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CVE-2018-5268

20
FAUCET Score

CVE-2018-5268 is a heap-based buffer overflow vulnerability affecting OpenCV 3.3.1, specifically within the Jpeg2KDecoder component when processing maliciously crafted image files. Rated Medium severity (CVSS 5.5), it can be triggered locally through user interaction (e.g., opening a malicious image) and could lead to a denial of service. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
3.3.1CPE matchmatch criteria
cpe:2.3:a:opencv:opencv:3.3.1:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.51%
Probability of exploitation in next 30 days
EPSS Percentile
71.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.0151 is in the 82nd percentile among its peer group of 5,765 CVEs.

Social Chatter

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

Patch Available

Vendor Patches (5)

pippatch availablevia ghsa
Product: opencv-pythonFixed in: 3.4.1.15
pippatch availablevia ghsa
Product: opencv-contrib-pythonFixed in: 3.4.1.15
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: opencv
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: opencv
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: opencv

Vendor Advisories (2)

pipGHSA-9g8h-pjm4-q92pmedium

Out-of-bounds Write in OpenCV.

Oct 12, 2021
redhatCVE-2018-5268Low

opencv: Heap-based buffer overflow in cv::Jpeg2KDecoder::readComponent8u

Jan 7, 2018

References

github.com / opencv/opencv/issues/10541
ExploitIssue TrackingMailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2018/04/msg00019.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2018/07/msg00030.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2021/10/msg00028.html
Mailing ListThird Party Advisory
securityfocus.com / bid/106945
Third Party AdvisoryVDB Entry