CVE catalog

CVE-2021-28091

lasso: CVE-2021-28091

Severity: High · CVSS 8.8CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Published: Jun 1, 2021, 12:00:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 1.38% · Oct 25, 2026

Lasso all versions prior to 2.7.0 has improper verification of a cryptographic signature.

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	lasso	sid	`2.9.0-5`	fixed
Debian	lasso	forky	`2.9.0-5`	fixed
Debian	lasso	trixie	`2.8.2-9+deb13u1`	fixed
Debian	lasso	trixie-security	`2.8.2-9+deb13u1`	fixed
Debian	lasso	bookworm	`2.8.1-1+deb12u1`	fixed
Debian	lasso	bookworm-security	`2.8.1-1+deb12u1`	fixed
Ubuntu	lasso	18.04	`2.5.0-5build4`	vulnerable
Ubuntu	lasso	18.04	`2.5.0-5build5`	vulnerable
Ubuntu	lasso	18.04	`2.5.0-5ubuntu1`	vulnerable
Ubuntu	lasso	18.04	`2.5.1-0ubuntu1`	vulnerable
Ubuntu	lasso	18.04	`2.5.1-0ubuntu1.1`	vulnerable
Ubuntu	lasso	18.04	`2.5.1-0ubuntu1.2`	fixed
Ubuntu	lasso	20.04	`2.6.0-2ubuntu1`	vulnerable
Ubuntu	lasso	20.04	`2.6.0-2ubuntu2`	vulnerable
Ubuntu	lasso	20.04	`2.6.0-7ubuntu1`	vulnerable
Ubuntu	lasso	20.04	`2.6.0-7ubuntu1.1`	vulnerable
Ubuntu	lasso	20.04	`2.6.0-7ubuntu1.2`	fixed
Ubuntu	lasso	16.04	`2.4.1-1build1`	vulnerable
Ubuntu	lasso	16.04	`2.5.0-1`	vulnerable
Ubuntu	lasso	16.04	`2.5.0-2`	vulnerable
Ubuntu	lasso	16.04	`2.5.0-3`	vulnerable
Ubuntu	lasso	16.04	`2.5.0-3build1`	vulnerable
Ubuntu	lasso	16.04	`2.5.0-3ubuntu2`	vulnerable
Ubuntu	lasso	18.04	`2.5.0-5build4`	vulnerable
Ubuntu	lasso	18.04	`2.5.0-5build5`	vulnerable
Ubuntu	lasso	18.04	`2.5.0-5ubuntu1`	vulnerable
Ubuntu	lasso	18.04	`2.5.1-0ubuntu1`	vulnerable
Ubuntu	lasso	18.04	`2.5.1-0ubuntu1.1`	vulnerable
Ubuntu	lasso	18.04	`2.5.1-0ubuntu1.2`	fixed
Ubuntu	lasso	20.04	`2.6.0-2ubuntu1`	vulnerable
Ubuntu	lasso	20.04	`2.6.0-2ubuntu2`	vulnerable
Ubuntu	lasso	20.04	`2.6.0-7ubuntu1`	vulnerable
Ubuntu	lasso	20.04	`2.6.0-7ubuntu1.1`	vulnerable
Ubuntu	lasso	20.04	`2.6.0-7ubuntu1.2`	fixed
Suse	lasso	linux enterprise software development kit 12 sp5	`2.6.1-8.7.2`	fixed
Suse	lasso	linux enterprise server 12 sp5	`2.6.1-8.7.2`	fixed
Suse	lasso	linux enterprise server for sap applications 12 sp5	`2.6.1-8.7.2`	fixed
Opensuse	lasso	leap 15.2	`2.6.1-lp152.2.3.1`	fixed
Opensuse	lasso	tumbleweed	`2.7.0-2.2`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	lasso	source	sid	`2.6.1-3`	not yet assigned	Not reported	Not reported
Debian	lasso	source	forky	`2.6.1-3`	not yet assigned	Not reported	Not reported
Debian	lasso	source	trixie	`2.6.1-3`	not yet assigned	Not reported	Not reported
Debian	lasso	source	bookworm	`2.6.1-3`	not yet assigned	Not reported	Not reported
Ubuntu	lasso	deb	18.04	`2.5.1-0ubuntu1.2`	Not reported	USN-4974-1	Not reported
Ubuntu	lasso	deb	20.04	`2.6.0-7ubuntu1.2`	Not reported	USN-4974-1	Not reported
Ubuntu	lasso	deb	18.04	`2.5.1-0ubuntu1.2`	Not reported	UBUNTU-CVE-2021-28091	Not reported
Ubuntu	lasso	deb	20.04	`2.6.0-7ubuntu1.2`	Not reported	UBUNTU-CVE-2021-28091	Not reported
Suse	lasso	rpm	linux enterprise software development kit 12 sp5	`2.6.1-8.7.2`	Not reported	SUSE-SU-2021:2589-1	Not reported
Suse	lasso	rpm	linux enterprise server 12 sp5	`2.6.1-8.7.2`	Not reported	SUSE-SU-2021:2589-1	Not reported
Suse	lasso	rpm	linux enterprise server for sap applications 12 sp5	`2.6.1-8.7.2`	Not reported	SUSE-SU-2021:2589-1	Not reported
Opensuse	lasso	rpm	leap 15.2	`2.6.1-lp152.2.3.1`	Not reported	OPENSUSE-SU-2021:1057-1	Not reported
Opensuse	lasso	rpm	tumbleweed	`2.7.0-2.2`	Not reported	OPENSUSE-SU-2024:10909-1	Not reported

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[liblasso3]Unknown
Source package: [lasso]
Details (4)
- 2.8.1-1+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · bookworm; dsa · lasso · debian · 12
- 2.8.1-1+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · bookworm; dsa · lasso · debian · 12
- 2.8.1-1+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · bookworm; dsa · lasso · debian · 12
- 2.8.1-1+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · bookworm; dsa · lasso · debian · 12
[liblasso3-dev]Unknown
Source package: [lasso]
Details (4)
- 2.8.1-1+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · bookworm; dsa · lasso · debian · 12
- 2.8.1-1+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · bookworm; dsa · lasso · debian · 12
- 2.8.1-1+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · bookworm; dsa · lasso · debian · 12
- 2.8.1-1+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · bookworm; dsa · lasso · debian · 12
[liblasso-perl]Unknown
Source package: [lasso]
Details (4)
- 2.8.1-1+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · bookworm; dsa · lasso · debian · 12
- 2.8.1-1+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · bookworm; dsa · lasso · debian · 12
- 2.8.1-1+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · bookworm; dsa · lasso · debian · 12
- 2.8.1-1+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · bookworm; dsa · lasso · debian · 12
[python3-lasso]Unknown
Source package: [lasso]
Details (4)
- 2.8.1-1+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · bookworm; dsa · lasso · debian · 12
- 2.8.1-1+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · bookworm; dsa · lasso · debian · 12
- 2.8.1-1+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · bookworm; dsa · lasso · debian · 12
- 2.8.1-1+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · bookworm; dsa · lasso · debian · 12

[Debian 13 (Trixie)]

[liblasso3-dev]Unknown
Source package: [lasso]
Details (4)
- 2.8.2-9+deb13u1 · amd64 · trixie
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · 13
- 2.8.2-9+deb13u1 · arm64 · trixie
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · 13
- 2.8.2-9+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · 13
- 2.8.2-9+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · 13
[liblasso3t64]Unknown
Source package: [lasso]
Details (4)
- 2.8.2-9+deb13u1 · amd64 · trixie
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · 13
- 2.8.2-9+deb13u1 · arm64 · trixie
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · 13
- 2.8.2-9+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · 13
- 2.8.2-9+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · 13
[liblasso-perl]Unknown
Source package: [lasso]
Details (4)
- 2.8.2-9+deb13u1 · amd64 · trixie
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · 13
- 2.8.2-9+deb13u1 · arm64 · trixie
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · 13
- 2.8.2-9+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · 13
- 2.8.2-9+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · 13
[python3-lasso]Unknown
Source package: [lasso]
Details (4)
- 2.8.2-9+deb13u1 · amd64 · trixie
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · 13
- 2.8.2-9+deb13u1 · arm64 · trixie
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · 13
- 2.8.2-9+deb13u1 · amd64 · trixie-security
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · 13
- 2.8.2-9+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 2.6.1-3
  dsa · lasso · debian · 13

[openSUSE Tumbleweed]

[liblasso3]Unknown
Source package: [lasso]
Details (1)
- 2.9.0-1.6 · x86_64 · tumbleweed
  Unknown · Fixed: 2.7.0-2.2
  Version impact unknown
  dsa · lasso · opensuse · tumbleweed
[liblasso-devel]Unknown
Source package: [lasso]
Details (1)
- 2.9.0-1.6 · x86_64 · tumbleweed
  Unknown · Fixed: 2.7.0-2.2
  Version impact unknown
  dsa · lasso · opensuse · tumbleweed
[python3-lasso]Unknown
Source package: [lasso]
Details (1)
- 2.9.0-1.6 · x86_64 · tumbleweed
  Unknown · Fixed: 2.7.0-2.2
  Version impact unknown
  dsa · lasso · opensuse · tumbleweed

Observed: Oct 23, 2026, 5:55:28 PM UTC

References

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