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CVE-2018-3848

28
FAUCET Score

CVE-2018-3848 describes a stack-based buffer overflow in the ffghbn function of NASA CFITSIO 3.42, affecting products like Fedora and NASA CFITSIO. This vulnerability, rated 8.8 HIGH, can be triggered by parsing specially crafted FIT images, potentially leading to arbitrary data overwrites and remote code execution. Exploitation requires user interaction (UI:R) but has low attack complexity (AC:L). 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
< 3.490CPE matchmatch criteria
cpe:2.3:a:nasa:cfitsio:*:*:*:*:*:*:*:*
28CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:28:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.88%
Probability of exploitation in next 30 days
EPSS Percentile
89.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0388 is in the 88th percentile among its peer group of 14,848 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 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 0.1 Security Researcher mentions.

Remediation

Vendor Patches (1)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 8Fixed in: cfitsio

Vendor Advisories (1)

redhatCVE-2018-3848Important

cfitsio: Stack-based buffer overflow in ffghbn() allows for potential code execution

Mar 10, 2018

References

lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/K46I2MFPCEOGC5LLDXZSWPB3EBPON3KA
security.gentoo.org / glsa/202101-24
Third Party Advisory
talosintelligence.com / vulnerability_reports/TALOS-2018-0531
ExploitTechnical DescriptionThird Party Advisory