synced 2 MIN AGO
01 Record

CVE-2018-3849

In the ffghtb function in NASA CFITSIO 3.42, specially crafted images parsed via the library can cause a stack-based buffer overflow overwriting arbitrary data. An attacker can deliver an FIT image to

HighPUBLISHEDCNA: talos
CNA base score8.8 CVSS v3.xCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

02 Description

In the ffghtb function in NASA CFITSIO 3.42, specially crafted images parsed via the library can cause a stack-based buffer overflow overwriting arbitrary data. An attacker can deliver an FIT image to

03 Exploitation and scoring

Exploitation
Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision
Not assessed by CISA
EPSS probability
3.64% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 89.1% of scored records. A rank, not a probability.
NVD base score
8.8 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD analysis status
Modified. NVD last modified this record on 2026-06-17.
Red Hat severity
Important. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2018-04-16 15:00Z8 YR AGO
Last updated
2024-09-17 01:32Z2 YR AGO
Reserved
2018-01-02
Assigning CNA
talos
Record state
PUBLISHED
Severity
High (CVSS 8.8)
CNA CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weaknesses
  • CWE-787Out-of-bounds WriteBase
  • CWE-121Stack-based Buffer OverflowVariant
Data version
5.1
Document digest
8240e0677f366d4ead9d6b2ea06263a2586c71e3e6ac1f963b82f750ef0a0890

05 Affected products

VendorProductVersionsPlatforms
TalosNASA CFITSIONASA CFITSIO 3.42—

06 References

07 Fixed in

Debian 12

  • cfitsio
    Fixed in 3.430-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

  • cfitsio
    Fixed in 3.430-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

  • cfitsio
    Fixed in 3.430-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Ubuntu 16.04 LTS

  • cfitsio
    No fix yet

Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.

A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.