Description
A double free when handling responses from an HSM Card in sc_pkcs15emu_sc_hsm_init in libopensc/pkcs15-sc-hsm.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.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | opensc | 0.19.0~rc1-1 | — |
| Debian 13 | opensc | 0.19.0~rc1-1 | — |
| Debian 12 | opensc | 0.19.0~rc1-1 | — |
| Debian 8 | opensc | 0.16.0-3+deb8u1 | DLA-1916-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | opensc | No fix yet | — |
| Ubuntu Pro 16.04 LTS | opensc | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 | opensc | 0.18.0-3.8.1 | SUSE-SU-2018:3629-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | opensc | 0.21.0-2.2 | openSUSE-SU-2024:11123-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | opensc | 0.19.0-r0 | — |
| Alpine v3.23 | opensc | 0.19.0-r0 | — |
| Alpine v3.22 | opensc | 0.19.0-r0 | — |
| Alpine v3.21 | opensc | 0.19.0-r0 | — |
| Alpine v3.20 | opensc | 0.19.0-r0 | — |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | opensc | 0.19.0-r0 | — |
| Alpine v3.18 | opensc | 0.19.0-r0 | — |
| Alpine v3.17 | opensc | 0.19.0-r0 | — |
| Alpine v3.16 | opensc | 0.19.0-r0 | — |
| Alpine v3.15 | opensc | 0.19.0-r0 | — |
| Alpine v3.14 | opensc | 0.19.0-r0 | — |
| Alpine v3.13 | opensc | 0.19.0-r0 | — |
| Alpine v3.12 | opensc | 0.19.0-r0 | — |
| Alpine v3.11 | opensc | 0.19.0-r0 | — |
| Alpine v3.10 | opensc | 0.19.0-r0 | — |
| Alpine v3.9 | opensc | 0.19.0-r0 | — |
Advisories 3
- DLA-1916-1 opensc - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:11123-1 opensc-0.21.0-2.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:3629-1 Security update for opensc SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://github.com/OpenSC/OpenSC/releases/tag/0.19.0-rc1
- https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-d643a0fa169471dbf2912f4866dc49c5
- https://www.x41-dsec.de/lab/advisories/x41-2018-002-OpenSC/
- [debian-lts-announce] 20190911 [SECURITY] [DLA 1916-1] opensc security update mailing-list