CVE catalog

CVE-2019-20792

opensc: CVE-2019-20792

Severity: Medium · CVSS 6.4CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Published: Apr 28, 2020, 10:00:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.66% · Oct 25, 2026

OpenSC before 0.20.0 has a double free in coolkey_free_private_data because coolkey_add_object in libopensc/card-coolkey.c lacks a uniqueness check.

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	opensc	sid	`0.27.1-3`	fixed
Debian	opensc	forky	`0.27.1-3`	fixed
Debian	opensc	trixie	`0.26.1-2`	fixed
Debian	opensc	bookworm	`0.23.0-0.3+deb12u2`	fixed
Opensuse	opensc	tumbleweed	`0.22.0-3.1`	fixed
Ubuntu	opensc	pro	`0.17.0-1`	vulnerable
Ubuntu	opensc	pro	`0.17.0-2`	vulnerable
Ubuntu	opensc	pro	`0.17.0-2build1`	vulnerable
Ubuntu	opensc	pro	`0.17.0-3`	vulnerable
Ubuntu	opensc	pro	`0.17.0-3ubuntu0.1~esm1`	vulnerable
Ubuntu	opensc	pro	`0.17.0-3ubuntu0.1~esm2`	vulnerable
Ubuntu	opensc	pro	`0.17.0-3ubuntu0.1~esm3`	vulnerable

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	opensc	source	sid	`0.20.0-1`	low	Not reported	Not reported
Debian	opensc	source	forky	`0.20.0-1`	low	Not reported	Not reported
Debian	opensc	source	trixie	`0.20.0-1`	low	Not reported	Not reported
Debian	opensc	source	bookworm	`0.20.0-1`	low	Not reported	Not reported
Opensuse	opensc	rpm	tumbleweed	`0.22.0-3.1`	Not reported	OPENSUSE-SU-2024:11643-1	Not reported

OpenFactory catalog packages

[openSUSE Tumbleweed]

[opensc-bash-completion]Unknown
Source package: [opensc]
Details (1)
- 0.27.1-2.3 · noarch · tumbleweed
  Unknown · Fixed: 0.22.0-3.1
  Version impact unknown
  dsa · opensc · opensuse · tumbleweed
[opensc]Fixed
Source package: [opensc]
Details (1)
- 0.27.1-2.3 · x86_64 · tumbleweed
  Fixed · Fixed: 0.22.0-3.1
  dsa · opensc · opensuse · tumbleweed

[Debian 12 (Bookworm)]

[opensc]Fixed
Details (2)
- 0.23.0-0.3+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 0.20.0-1
  dsa · opensc · debian · bookworm; dsa · opensc · debian · 12
- 0.23.0-0.3+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 0.20.0-1
  dsa · opensc · debian · bookworm; dsa · opensc · debian · 12
[opensc-pkcs11]Fixed
Source package: [opensc]
Details (2)
- 0.23.0-0.3+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 0.20.0-1
  dsa · opensc · debian · bookworm; dsa · opensc · debian · 12
- 0.23.0-0.3+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 0.20.0-1
  dsa · opensc · debian · bookworm; dsa · opensc · debian · 12

[Debian 13 (Trixie)]

[opensc]Fixed
Details (2)
- 0.26.1-2 · amd64 · trixie
  Fixed · Fixed: 0.20.0-1
  dsa · opensc · debian · 13
- 0.26.1-2 · arm64 · trixie
  Fixed · Fixed: 0.20.0-1
  dsa · opensc · debian · 13
[opensc-pkcs11]Fixed
Source package: [opensc]
Details (2)
- 0.26.1-2 · amd64 · trixie
  Fixed · Fixed: 0.20.0-1
  dsa · opensc · debian · 13
- 0.26.1-2 · arm64 · trixie
  Fixed · Fixed: 0.20.0-1
  dsa · opensc · debian · 13

Observed: Oct 23, 2026, 5:43:50 PM UTC

References

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