CVE catalog

CVE-2020-13132

yubico-piv-tool: CVE-2020-13132

Severity: Medium
Published: Jul 9, 2020, 6:15:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.64% · Oct 25, 2026

An issue was discovered in Yubico libykpiv before 2.1.0. An attacker can trigger an incorrect free() in the ykpiv_util_generate_key() function in lib/util.c through incorrect error handling code. This could be used to cause a denial of service attack.

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	yubico-piv-tool	sid	`2.7.3-2`	fixed
Debian	yubico-piv-tool	forky	`2.7.3-2`	fixed
Debian	yubico-piv-tool	trixie	`2.7.1-1`	fixed
Debian	yubico-piv-tool	bookworm	`2.2.0-1.1`	fixed
Ubuntu	yubico-piv-tool	pro	`1.0.1-1`	vulnerable
Ubuntu	yubico-piv-tool	pro	`1.0.3-1`	vulnerable
Ubuntu	yubico-piv-tool	pro	`1.0.3-1ubuntu0.1~esm1`	vulnerable
Ubuntu	yubico-piv-tool	18.04	`1.4.2-2`	vulnerable
Ubuntu	yubico-piv-tool	18.04	`1.4.2-2ubuntu0.1`	vulnerable
Ubuntu	yubico-piv-tool	20.04	`1.7.0-1`	vulnerable
Ubuntu	yubico-piv-tool	20.04	`2.0.0-1`	vulnerable
Ubuntu	yubico-piv-tool	20.04	`2.0.0-2`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	yubico-piv-tool	source	sid	`2.1.1-1`	not yet assigned	Not reported	[972644]
Debian	yubico-piv-tool	source	forky	`2.1.1-1`	not yet assigned	Not reported	[972644]
Debian	yubico-piv-tool	source	trixie	`2.1.1-1`	not yet assigned	Not reported	[972644]
Debian	yubico-piv-tool	source	bookworm	`2.1.1-1`	not yet assigned	Not reported	[972644]

[Debian bug #972644]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libykpiv2]Fixed
Source package: [yubico-piv-tool]
Details (2)
- 2.2.0-1.1 · amd64 · bookworm
  Fixed · Fixed: 2.1.1-1
  dsa · yubico-piv-tool · debian · bookworm; dsa · yubico-piv-tool · debian · 12
- 2.2.0-1.1 · arm64 · bookworm
  Fixed · Fixed: 2.1.1-1
  dsa · yubico-piv-tool · debian · bookworm; dsa · yubico-piv-tool · debian · 12
[libykpiv-dev]Fixed
Source package: [yubico-piv-tool]
Details (2)
- 2.2.0-1.1 · amd64 · bookworm
  Fixed · Fixed: 2.1.1-1
  dsa · yubico-piv-tool · debian · bookworm; dsa · yubico-piv-tool · debian · 12
- 2.2.0-1.1 · arm64 · bookworm
  Fixed · Fixed: 2.1.1-1
  dsa · yubico-piv-tool · debian · bookworm; dsa · yubico-piv-tool · debian · 12
[ykcs11]Fixed
Source package: [yubico-piv-tool]
Details (2)
- 2.2.0-1.1 · amd64 · bookworm
  Fixed · Fixed: 2.1.1-1
  dsa · yubico-piv-tool · debian · bookworm; dsa · yubico-piv-tool · debian · 12
- 2.2.0-1.1 · arm64 · bookworm
  Fixed · Fixed: 2.1.1-1
  dsa · yubico-piv-tool · debian · bookworm; dsa · yubico-piv-tool · debian · 12
[yubico-piv-tool]Fixed
Details (2)
- 2.2.0-1.1 · amd64 · bookworm
  Fixed · Fixed: 2.1.1-1
  dsa · yubico-piv-tool · debian · bookworm; dsa · yubico-piv-tool · debian · 12
- 2.2.0-1.1 · arm64 · bookworm
  Fixed · Fixed: 2.1.1-1
  dsa · yubico-piv-tool · debian · bookworm; dsa · yubico-piv-tool · debian · 12

[Debian 13 (Trixie)]

[libykpiv2]Fixed
Source package: [yubico-piv-tool]
Details (2)
- 2.7.1-1 · amd64 · trixie
  Fixed · Fixed: 2.1.1-1
  dsa · yubico-piv-tool · debian · 13
- 2.7.1-1 · arm64 · trixie
  Fixed · Fixed: 2.1.1-1
  dsa · yubico-piv-tool · debian · 13
[libykpiv-dev]Fixed
Source package: [yubico-piv-tool]
Details (2)
- 2.7.1-1 · amd64 · trixie
  Fixed · Fixed: 2.1.1-1
  dsa · yubico-piv-tool · debian · 13
- 2.7.1-1 · arm64 · trixie
  Fixed · Fixed: 2.1.1-1
  dsa · yubico-piv-tool · debian · 13
[ykcs11]Fixed
Source package: [yubico-piv-tool]
Details (2)
- 2.7.1-1 · amd64 · trixie
  Fixed · Fixed: 2.1.1-1
  dsa · yubico-piv-tool · debian · 13
- 2.7.1-1 · arm64 · trixie
  Fixed · Fixed: 2.1.1-1
  dsa · yubico-piv-tool · debian · 13
[yubico-piv-tool]Fixed
Details (2)
- 2.7.1-1 · amd64 · trixie
  Fixed · Fixed: 2.1.1-1
  dsa · yubico-piv-tool · debian · 13
- 2.7.1-1 · arm64 · trixie
  Fixed · Fixed: 2.1.1-1
  dsa · yubico-piv-tool · debian · 13

Observed: Oct 23, 2026, 5:47:39 PM UTC

References

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