CVE catalog

CVE-2020-15888

lua5.4: CVE-2020-15888

Severity: High · CVSS 7.3CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Published: Jul 21, 2020, 10:15:12 PM UTC
Source: [NVD] · [CVE record]
EPSS: 2.44% · Oct 25, 2026

Lua through 5.4.0 mishandles the interaction between stack resizes and garbage collection, leading to a heap-based buffer overflow, heap-based buffer over-read, or use-after-free.

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	lua5.4	sid	`5.4.9-1`	fixed
Debian	lua5.4	forky	`5.4.9-1`	fixed
Debian	lua5.4	trixie	`5.4.7-1`	fixed
Debian	lua5.4	bookworm	`5.4.4-3+deb12u1`	fixed
Opensuse	lua55	tumbleweed	`5.5.0~beta1-1.1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	lua5.4	source	sid	`5.4.1-1`	not yet assigned	Not reported	[972101]
Debian	lua5.4	source	forky	`5.4.1-1`	not yet assigned	Not reported	[972101]
Debian	lua5.4	source	trixie	`5.4.1-1`	not yet assigned	Not reported	[972101]
Debian	lua5.4	source	bookworm	`5.4.1-1`	not yet assigned	Not reported	[972101]
Opensuse	lua55	rpm	tumbleweed	`5.5.0~beta1-1.1`	Not reported	OPENSUSE-SU-2025:15401-1	Not reported

[Debian bug #972101]

OpenFactory catalog packages

[openSUSE Tumbleweed]

[liblua5_5-5]Unknown
Source package: [lua55]
Details (1)
- 5.5.0-1.6 · x86_64 · tumbleweed
  Unknown · Fixed: 5.5.0~beta1-1.1
  Version impact unknown
  dsa · lua55 · opensuse · tumbleweed
[lua55-devel]Unknown
Source package: [lua55]
Details (1)
- 5.5.0-1.6 · x86_64 · tumbleweed
  Unknown · Fixed: 5.5.0~beta1-1.1
  Version impact unknown
  dsa · lua55 · opensuse · tumbleweed
[lua55-doc]Unknown
Source package: [lua55]
Details (1)
- 5.5.0-1.6 · noarch · tumbleweed
  Unknown · Fixed: 5.5.0~beta1-1.1
  Version impact unknown
  dsa · lua55 · opensuse · tumbleweed
[lua55]Fixed
Source package: [lua55]
Details (1)
- 5.5.0-1.6 · x86_64 · tumbleweed
  Fixed · Fixed: 5.5.0~beta1-1.1
  dsa · lua55 · opensuse · tumbleweed

[Debian 12 (Bookworm)]

[liblua5.4-0]Fixed
Source package: [lua5.4]
Details (2)
- 5.4.4-3+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 5.4.1-1
  dsa · lua5.4 · debian · bookworm; dsa · lua5.4 · debian · 12
- 5.4.4-3+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 5.4.1-1
  dsa · lua5.4 · debian · bookworm; dsa · lua5.4 · debian · 12
[liblua5.4-0-dbg]Fixed
Source package: [lua5.4]
Details (2)
- 5.4.4-3+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 5.4.1-1
  dsa · lua5.4 · debian · bookworm; dsa · lua5.4 · debian · 12
- 5.4.4-3+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 5.4.1-1
  dsa · lua5.4 · debian · bookworm; dsa · lua5.4 · debian · 12
[liblua5.4-dev]Fixed
Source package: [lua5.4]
Details (2)
- 5.4.4-3+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 5.4.1-1
  dsa · lua5.4 · debian · bookworm; dsa · lua5.4 · debian · 12
- 5.4.4-3+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 5.4.1-1
  dsa · lua5.4 · debian · bookworm; dsa · lua5.4 · debian · 12
[lua5.4]Fixed
Details (2)
- 5.4.4-3+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 5.4.1-1
  dsa · lua5.4 · debian · bookworm; dsa · lua5.4 · debian · 12
- 5.4.4-3+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 5.4.1-1
  dsa · lua5.4 · debian · bookworm; dsa · lua5.4 · debian · 12

[Debian 13 (Trixie)]

[liblua5.4-0]Fixed
Source package: [lua5.4]
Details (2)
- 5.4.7-1+b2 · amd64 · trixie
  Fixed · Fixed: 5.4.1-1
  dsa · lua5.4 · debian · 13
- 5.4.7-1+b2 · arm64 · trixie
  Fixed · Fixed: 5.4.1-1
  dsa · lua5.4 · debian · 13
[liblua5.4-dev]Fixed
Source package: [lua5.4]
Details (2)
- 5.4.7-1+b2 · amd64 · trixie
  Fixed · Fixed: 5.4.1-1
  dsa · lua5.4 · debian · 13
- 5.4.7-1+b2 · arm64 · trixie
  Fixed · Fixed: 5.4.1-1
  dsa · lua5.4 · debian · 13
[lua5.4]Fixed
Source package: [lua5.4]
Details (2)
- 5.4.7-1+b2 · amd64 · trixie
  Fixed · Fixed: 5.4.1-1
  dsa · lua5.4 · debian · 13
- 5.4.7-1+b2 · arm64 · trixie
  Fixed · Fixed: 5.4.1-1
  dsa · lua5.4 · debian · 13

Observed: Oct 23, 2026, 5:48:30 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]