CVE catalog

CVE-2018-16422

opensc: CVE-2018-16422

Severity: Medium · CVSS 4.6CVSS:3.0/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published: Sep 4, 2018, 12:29:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.69% · Oct 25, 2026

A single byte buffer overflow when handling responses from an esteid Card in sc_pkcs15emu_esteid_init in libopensc/pkcs15-esteid.c in OpenSC before 0.19.0-rc1 could be used by attackers able to supply crafted smartcards to cause a denial of service (application crash) or possibly have unspecified other impact.

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
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	`0.19.0~rc1-1`	low	Not reported	[909444]
Debian	opensc	source	forky	`0.19.0~rc1-1`	low	Not reported	[909444]
Debian	opensc	source	trixie	`0.19.0~rc1-1`	low	Not reported	[909444]
Debian	opensc	source	bookworm	`0.19.0~rc1-1`	low	Not reported	[909444]

[Debian bug #909444]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[opensc]Fixed
Details (2)
- 0.23.0-0.3+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 0.19.0~rc1-1
  dsa · opensc · debian · bookworm; dsa · opensc · debian · 12
- 0.23.0-0.3+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 0.19.0~rc1-1
  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: 0.19.0~rc1-1
  dsa · opensc · debian · bookworm; dsa · opensc · debian · 12
- 0.23.0-0.3+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 0.19.0~rc1-1
  dsa · opensc · debian · bookworm; dsa · opensc · debian · 12

[Debian 13 (Trixie)]

[opensc]Fixed
Details (2)
- 0.26.1-2 · amd64 · trixie
  Fixed · Fixed: 0.19.0~rc1-1
  dsa · opensc · debian · 13
- 0.26.1-2 · arm64 · trixie
  Fixed · Fixed: 0.19.0~rc1-1
  dsa · opensc · debian · 13
[opensc-pkcs11]Fixed
Source package: [opensc]
Details (2)
- 0.26.1-2 · amd64 · trixie
  Fixed · Fixed: 0.19.0~rc1-1
  dsa · opensc · debian · 13
- 0.26.1-2 · arm64 · trixie
  Fixed · Fixed: 0.19.0~rc1-1
  dsa · opensc · debian · 13

Observed: Oct 23, 2026, 5:35:04 PM UTC

References

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