CVE catalog

CVE-2018-18440

u-boot: CVE-2018-18440

Severity: High · CVSS 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C
Published: Nov 20, 2018, 7:29:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.60% · Oct 27, 2026

DENX U-Boot through 2018.09-rc1 has a locally exploitable buffer overflow via a crafted kernel image because filesystem loading is mishandled.

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	u-boot	sid	`2025.01-3.2`	vulnerable
Debian	u-boot	forky	`2025.01-3.2`	vulnerable
Debian	u-boot	trixie	`2025.01-3+deb13u1`	vulnerable
Debian	u-boot	bookworm	`2023.01+dfsg-2+deb12u3`	vulnerable
Debian	u-boot	bookworm-security	`2023.01+dfsg-2+deb12u3`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	u-boot	source	sid	`(unfixed)`	unimportant	Not reported	Not reported
Debian	u-boot	source	forky	`(unfixed)`	unimportant	Not reported	Not reported
Debian	u-boot	source	trixie	`(unfixed)`	unimportant	Not reported	Not reported
Debian	u-boot	source	bookworm	`(unfixed)`	unimportant	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[u-boot-amlogic]Affected
Source package: [u-boot]
Details (2)
- 2023.01+dfsg-2+deb12u3 · arm64 · bookworm
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- 2023.01+dfsg-2+deb12u3 · arm64 · bookworm-security
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
[u-boot-mvebu]Affected
Source package: [u-boot]
Details (2)
- 2023.01+dfsg-2+deb12u3 · arm64 · bookworm
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- 2023.01+dfsg-2+deb12u3 · arm64 · bookworm-security
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
[u-boot-qcom]Affected
Source package: [u-boot]
Details (2)
- 2023.01+dfsg-2+deb12u3 · arm64 · bookworm
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- 2023.01+dfsg-2+deb12u3 · arm64 · bookworm-security
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
[u-boot-qemu]Affected
Source package: [u-boot]
Details (4)
- 2023.01+dfsg-2+deb12u3 · all · bookworm
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- 2023.01+dfsg-2+deb12u3 · all · bookworm
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- 2023.01+dfsg-2+deb12u3 · all · bookworm-security
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- 2023.01+dfsg-2+deb12u3 · all · bookworm-security
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
[u-boot-rockchip]Affected
Source package: [u-boot]
Details (2)
- 2023.01+dfsg-2+deb12u3 · arm64 · bookworm
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- 2023.01+dfsg-2+deb12u3 · arm64 · bookworm-security
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
[u-boot-rpi]Affected
Source package: [u-boot]
Details (2)
- 2023.01+dfsg-2+deb12u3 · arm64 · bookworm
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- 2023.01+dfsg-2+deb12u3 · arm64 · bookworm-security
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
[u-boot-sunxi]Affected
Source package: [u-boot]
Details (2)
- 2023.01+dfsg-2+deb12u3 · arm64 · bookworm
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- 2023.01+dfsg-2+deb12u3 · arm64 · bookworm-security
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
[u-boot-tegra]Affected
Source package: [u-boot]
Details (2)
- 2023.01+dfsg-2+deb12u3 · arm64 · bookworm
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- 2023.01+dfsg-2+deb12u3 · arm64 · bookworm-security
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
[u-boot-tools]Affected
Source package: [u-boot]
Details (4)
- 2023.01+dfsg-2+deb12u3 · amd64 · bookworm
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- 2023.01+dfsg-2+deb12u3 · arm64 · bookworm
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- 2023.01+dfsg-2+deb12u3 · amd64 · bookworm-security
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12
- 2023.01+dfsg-2+deb12u3 · arm64 · bookworm-security
  Affected
  dsa · u-boot · debian · bookworm; dsa · u-boot · debian · 12

[Debian 13 (Trixie)]

[u-boot-amlogic-binaries]Affected
Source package: [u-boot]
Details (1)
- 2025.01-3 · arm64 · trixie
  Affected
  dsa · u-boot · debian · 13
[u-boot-asahi]Affected
Source package: [u-boot]
Details (1)
- 2025.01-3 · arm64 · trixie
  Affected
  dsa · u-boot · debian · 13
[u-boot-mvebu]Affected
Source package: [u-boot]
Details (1)
- 2025.01-3 · arm64 · trixie
  Affected
  dsa · u-boot · debian · 13
[u-boot-qcom]Affected
Source package: [u-boot]
Details (1)
- 2025.01-3 · arm64 · trixie
  Affected
  dsa · u-boot · debian · 13
[u-boot-qemu]Affected
Source package: [u-boot]
Details (2)
- 2025.01-3 · all · trixie
  Affected
  dsa · u-boot · debian · 13
- 2025.01-3 · all · trixie
  Affected
  dsa · u-boot · debian · 13
[u-boot-rockchip]Affected
Source package: [u-boot]
Details (1)
- 2025.01-3 · arm64 · trixie
  Affected
  dsa · u-boot · debian · 13
[u-boot-rpi]Affected
Source package: [u-boot]
Details (1)
- 2025.01-3 · arm64 · trixie
  Affected
  dsa · u-boot · debian · 13
[u-boot-sitara-binaries]Affected
Source package: [u-boot]
Details (1)
- 2025.01-3 · arm64 · trixie
  Affected
  dsa · u-boot · debian · 13
[u-boot-sunxi]Affected
Source package: [u-boot]
Details (1)
- 2025.01-3 · arm64 · trixie
  Affected
  dsa · u-boot · debian · 13
[u-boot-tegra]Affected
Source package: [u-boot]
Details (1)
- 2025.01-3 · arm64 · trixie
  Affected
  dsa · u-boot · debian · 13
[u-boot-tools]Affected
Source package: [u-boot]
Details (2)
- 2025.01-3 · amd64 · trixie
  Affected
  dsa · u-boot · debian · 13
- 2025.01-3 · arm64 · trixie
  Affected
  dsa · u-boot · debian · 13

Observed: Oct 23, 2026, 5:35:32 PM UTC

References

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