Double Free Affecting opensc package, versions <0.19.0-r0
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ALPINE324-OPENSC-17302363
- published11 Jun 2026
- disclosed4 Sept 2018
Introduced: 4 Sep 2018
CVE-2018-16425 (opens in a new tab)How to fix?
Upgrade Alpine:3.24 opensc to version 0.19.0-r0 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream opensc package and not the opensc package as distributed by Alpine.
See How to fix? for Alpine:3.24 relevant fixed versions and status.
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.
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-16425
- https://lists.debian.org/debian-lts-announce/2019/09/msg00009.html
- https://security-tracker.debian.org/tracker/CVE-2018-16425
- https://github.com/OpenSC/OpenSC/commit/360e95d45ac4123255a4c796db96337f332160ad#diff-d643a0fa169471dbf2912f4866dc49c5
- https://github.com/OpenSC/OpenSC/releases/tag/0.19.0-rc1
- https://www.x41-dsec.de/lab/advisories/x41-2018-002-OpenSC/
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2018-16425