Medium severity5.3NVD Advisory· Published Apr 18, 2022· Updated Jun 17, 2026
CVE-2021-42779
CVE-2021-42779
Description
A heap use after free issue was found in Opensc before version 0.22.0 in sc_file_valid.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
30- osv-coords28 versionspkg:rpm/opensuse/opensc&distro=openSUSE%20Leap%2015.3pkg:rpm/opensuse/opensc&distro=openSUSE%20Tumbleweedpkg:rpm/suse/opensc&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/opensc&distro=SUSE%20Enterprise%20Storage%206pkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-ESPOSpkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSSpkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Micro%205.1pkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP3pkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Real%20Time%2015%20SP2pkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-BCLpkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/opensc&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/opensc&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/opensc&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/opensc&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/opensc&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209
< 0.19.0-150100.3.16.1+ 27 more
- (no CPE)range: < 0.19.0-150100.3.16.1
- (no CPE)range: < 0.22.0-1.1
- (no CPE)range: < 0.13.0-3.19.1
- (no CPE)range: < 0.19.0-150100.3.16.1
- (no CPE)range: < 0.19.0-150100.3.16.1
- (no CPE)range: < 0.19.0-150100.3.16.1
- (no CPE)range: < 0.18.0-150000.3.23.1
- (no CPE)range: < 0.18.0-150000.3.23.1
- (no CPE)range: < 0.19.0-150100.3.16.1
- (no CPE)range: < 0.19.0-150100.3.16.1
- (no CPE)range: < 0.19.0-150100.3.16.1
- (no CPE)range: < 0.13.0-3.19.1
- (no CPE)range: < 0.13.0-3.19.1
- (no CPE)range: < 0.13.0-3.19.1
- (no CPE)range: < 0.13.0-3.19.1
- (no CPE)range: < 0.13.0-3.19.1
- (no CPE)range: < 0.19.0-150100.3.16.1
- (no CPE)range: < 0.19.0-150100.3.16.1
- (no CPE)range: < 0.18.0-150000.3.23.1
- (no CPE)range: < 0.13.0-3.19.1
- (no CPE)range: < 0.13.0-3.19.1
- (no CPE)range: < 0.13.0-3.19.1
- (no CPE)range: < 0.18.0-150000.3.23.1
- (no CPE)range: < 0.19.0-150100.3.16.1
- (no CPE)range: < 0.13.0-3.19.1
- (no CPE)range: < 0.13.0-3.19.1
- (no CPE)range: < 0.13.0-3.19.1
- (no CPE)range: < 0.13.0-3.19.1
Patches
Vulnerability mechanics
References
6- bugs.chromium.org/p/oss-fuzz/issues/detailnvdIssue TrackingMailing ListPatchThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdIssue TrackingPatchThird Party Advisory
- github.com/OpenSC/OpenSC/commit/1db88374nvdPatchThird Party Advisory
- security.gentoo.org/glsa/202209-03nvdThird Party Advisory
- lists.debian.org/debian-lts-announce/2023/06/msg00025.htmlnvd
- lists.debian.org/debian-lts-announce/2024/12/msg00026.htmlnvd
News mentions
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