CVE catalog

CVE-2018-3849

cfitsio: CVE-2018-3849

Severity: Medium
Published: Apr 16, 2018, 4:29:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 3.64% · Oct 22, 2026

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 trigger this vulnerability and potentially gain code execution.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	cfitsio	sid	`4.7.0-2`	fixed
Debian	cfitsio	forky	`4.7.0-2`	fixed
Debian	cfitsio	trixie	`4.6.2-2`	fixed
Debian	cfitsio	bookworm	`4.2.0-3`	fixed
Ubuntu	cfitsio	16.04	`3.370-5`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	cfitsio	source	sid	`3.430-1`	low	Not reported	[892458]
Debian	cfitsio	source	forky	`3.430-1`	low	Not reported	[892458]
Debian	cfitsio	source	trixie	`3.430-1`	low	Not reported	[892458]
Debian	cfitsio	source	bookworm	`3.430-1`	low	Not reported	[892458]

[Debian bug #892458]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libcfitsio10]Fixed
Source package: [cfitsio]
Details (2)
- 4.2.0-3 · amd64 · bookworm
  Fixed · Fixed: 3.430-1
  dsa · cfitsio · debian · bookworm; dsa · cfitsio · debian · 12
- 4.2.0-3 · arm64 · bookworm
  Fixed · Fixed: 3.430-1
  dsa · cfitsio · debian · bookworm; dsa · cfitsio · debian · 12
[libcfitsio-bin]Fixed
Source package: [cfitsio]
Details (2)
- 4.2.0-3 · amd64 · bookworm
  Fixed · Fixed: 3.430-1
  dsa · cfitsio · debian · bookworm; dsa · cfitsio · debian · 12
- 4.2.0-3 · arm64 · bookworm
  Fixed · Fixed: 3.430-1
  dsa · cfitsio · debian · bookworm; dsa · cfitsio · debian · 12
[libcfitsio-dev]Fixed
Source package: [cfitsio]
Details (2)
- 4.2.0-3 · amd64 · bookworm
  Fixed · Fixed: 3.430-1
  dsa · cfitsio · debian · bookworm; dsa · cfitsio · debian · 12
- 4.2.0-3 · arm64 · bookworm
  Fixed · Fixed: 3.430-1
  dsa · cfitsio · debian · bookworm; dsa · cfitsio · debian · 12
[libcfitsio-doc]Fixed
Source package: [cfitsio]
Details (2)
- 4.2.0-3 · all · bookworm
  Fixed · Fixed: 3.430-1
  dsa · cfitsio · debian · bookworm; dsa · cfitsio · debian · 12
- 4.2.0-3 · all · bookworm
  Fixed · Fixed: 3.430-1
  dsa · cfitsio · debian · bookworm; dsa · cfitsio · debian · 12

[Debian 13 (Trixie)]

[fitsverify]Fixed
Source package: [cfitsio]
Details (2)
- 4.22+cfitsio4.6.2-2 · all · trixie
  Fixed · Fixed: 3.430-1
  dsa · cfitsio · debian · 13
- 4.22+cfitsio4.6.2-2 · all · trixie
  Fixed · Fixed: 3.430-1
  dsa · cfitsio · debian · 13
[libcfitsio10t64]Fixed
Source package: [cfitsio]
Details (2)
- 4.6.2-2 · amd64 · trixie
  Fixed · Fixed: 3.430-1
  dsa · cfitsio · debian · 13
- 4.6.2-2 · arm64 · trixie
  Fixed · Fixed: 3.430-1
  dsa · cfitsio · debian · 13
[libcfitsio-bin]Fixed
Source package: [cfitsio]
Details (2)
- 4.6.2-2 · amd64 · trixie
  Fixed · Fixed: 3.430-1
  dsa · cfitsio · debian · 13
- 4.6.2-2 · arm64 · trixie
  Fixed · Fixed: 3.430-1
  dsa · cfitsio · debian · 13
[libcfitsio-dev]Fixed
Source package: [cfitsio]
Details (2)
- 4.6.2-2 · amd64 · trixie
  Fixed · Fixed: 3.430-1
  dsa · cfitsio · debian · 13
- 4.6.2-2 · arm64 · trixie
  Fixed · Fixed: 3.430-1
  dsa · cfitsio · debian · 13
[libcfitsio-doc]Fixed
Source package: [cfitsio]
Details (2)
- 4.6.2-2 · all · trixie
  Fixed · Fixed: 3.430-1
  dsa · cfitsio · debian · 13
- 4.6.2-2 · all · trixie
  Fixed · Fixed: 3.430-1
  dsa · cfitsio · debian · 13

Observed: Oct 23, 2026, 5:36:41 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]