VulnerabilityModified
CVE-2021-42781
Heap buffer overflow issues were found in Opensc before version 0.22.0 in pkcs15-oberthur.c that could potentially crash programs using the library.
MEDIUM 5.3EPSS 2.87%
Does this matter?
Lower severity and a low EPSS score (2.87%). Track it; it rarely justifies an emergency change on its own.
Description
Heap buffer overflow issues were found in Opensc before version 0.22.0 in pkcs15-oberthur.c that could potentially crash programs using the library.
- CVSS 3.1
- 5.3 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
- EPSS
- 2.87% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-119, CWE-787
- Affected
- opensc project/opensc · fedoraproject/fedora · redhat/enterprise linux
- Source
- secalert@redhat.com
References
- https://bugzilla.redhat.com/show_bug.cgi?id=2016439Issue Tracking, Patch, Third Party Advisory
- https://github.com/OpenSC/OpenSC/commit/05648b06Patch, Third Party Advisory
- https://github.com/OpenSC/OpenSC/commit/17d8980cPatch, Third Party Advisory
- https://github.com/OpenSC/OpenSC/commit/40c50a3aPatch, Third Party Advisory
- https://github.com/OpenSC/OpenSC/commit/5d4daf6cPatch, Third Party Advisory
- https://github.com/OpenSC/OpenSC/commit/cae5c71fPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html
- https://security.gentoo.org/glsa/202209-03Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2016439Issue Tracking, Patch, Third Party Advisory
- https://github.com/OpenSC/OpenSC/commit/05648b06Patch, Third Party Advisory
- https://github.com/OpenSC/OpenSC/commit/17d8980cPatch, Third Party Advisory
- https://github.com/OpenSC/OpenSC/commit/40c50a3aPatch, Third Party Advisory
- https://github.com/OpenSC/OpenSC/commit/5d4daf6cPatch, Third Party Advisory
- https://github.com/OpenSC/OpenSC/commit/cae5c71fPatch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html
- https://lists.debian.org/debian-lts-announce/2024/12/msg00026.html
- https://security.gentoo.org/glsa/202209-03Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.