CVE catalog

CVE-2020-15889

lua5.4: CVE-2020-15889

Severity: Medium
Published: Jul 21, 2020, 10:15:12 PM UTC
Source: [NVD] · [CVE record]
EPSS: 2.23% · Oct 25, 2026

Lua 5.4.0 has a getobjname heap-based buffer over-read because youngcollection in lgc.c uses markold for an insufficient number of list members.

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

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	lua5.4	source	sid	`5.4.0-2`	not yet assigned	Not reported	Not reported
Debian	lua5.4	source	forky	`5.4.0-2`	not yet assigned	Not reported	Not reported
Debian	lua5.4	source	trixie	`5.4.0-2`	not yet assigned	Not reported	Not reported
Debian	lua5.4	source	bookworm	`5.4.0-2`	not yet assigned	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[liblua5.4-0]Fixed
Source package: [lua5.4]
Details (2)
- 5.4.4-3+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 5.4.0-2
  dsa · lua5.4 · debian · bookworm; dsa · lua5.4 · debian · 12
- 5.4.4-3+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 5.4.0-2
  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: 5.4.0-2
  dsa · lua5.4 · debian · bookworm; dsa · lua5.4 · debian · 12
- 5.4.4-3+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 5.4.0-2
  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: 5.4.0-2
  dsa · lua5.4 · debian · bookworm; dsa · lua5.4 · debian · 12
- 5.4.4-3+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 5.4.0-2
  dsa · lua5.4 · debian · bookworm; dsa · lua5.4 · debian · 12
[lua5.4]Fixed
Details (2)
- 5.4.4-3+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 5.4.0-2
  dsa · lua5.4 · debian · bookworm; dsa · lua5.4 · debian · 12
- 5.4.4-3+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 5.4.0-2
  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: 5.4.0-2
  dsa · lua5.4 · debian · 13
- 5.4.7-1+b2 · arm64 · trixie
  Fixed · Fixed: 5.4.0-2
  dsa · lua5.4 · debian · 13
[liblua5.4-dev]Fixed
Source package: [lua5.4]
Details (2)
- 5.4.7-1+b2 · amd64 · trixie
  Fixed · Fixed: 5.4.0-2
  dsa · lua5.4 · debian · 13
- 5.4.7-1+b2 · arm64 · trixie
  Fixed · Fixed: 5.4.0-2
  dsa · lua5.4 · debian · 13
[lua5.4]Fixed
Source package: [lua5.4]
Details (2)
- 5.4.7-1+b2 · amd64 · trixie
  Fixed · Fixed: 5.4.0-2
  dsa · lua5.4 · debian · 13
- 5.4.7-1+b2 · arm64 · trixie
  Fixed · Fixed: 5.4.0-2
  dsa · lua5.4 · debian · 13

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

References

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