opensc: Out-of-bounds access of an ASN.1 Octet string in asn1_decode_entry in libopensc/asn1.c
Published Sep 5, 2019
6.4
MEDIUMCVSS 3.1
EPSS 0.36%
Description
OpenSC before 0.20.0-rc1 has an out-of-bounds access of an ASN.1 Octet string in asn1_decode_entry in libopensc/asn1.c.
Affected products
No data.
Configuration 1
- ≤ 0.19.0
Configuration 2
- 8.0
- 9.0
Configuration 3
- 31
No data.
Red Hat Enterprise Linux 8
opensc-0:0.20.0-2.el8
Fixed · RHSA-2020:4483
Red Hat Enterprise Linux 7
opensc
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 8 | opensc-0:0.20.0-2.el8 | Fixed | RHSA-2020:4483 |
| Red Hat Enterprise Linux 7 | opensc | Will not fix | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:P/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
AV:L/AC:M/Au:N/C:P/I:P/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 0.36% (0.00361) | 27.53th | v5 (v2026.06.15) |
| Jun 15, 2026 | 0.39% (0.00385) | 30.04th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.04% (0.00042) | 10.04th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.17% (0.00174) | 55.02th | v3 (v2023.03.01) |
| Nov 8, 2023 | 0.17% (0.00174) | 54.46th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.20% (0.00200) | 57.14th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.18% (0.00180) | 53.41th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.11% (0.01108) | 55.18th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.11% (0.01108) | 51.54th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.15% (0.02150) | 56.98th | v2 (v2022.01.01) |
| Feb 3, 2022 | 6.21% (0.06208) | 81.93th | v1 |
| Jan 6, 2022 | 6.21% (0.06208) | 81.75th | v1 |
| Jan 5, 2022 | 1.45% (0.01454) | 72.86th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.25% (0.01247) | 0.00th | v1 |
References (10)
- http://www.openwall.com/lists/oss-security/2019/12/29/1 mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://access.redhat.com/security/cve/CVE-2019-15946 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1765229 Issue Tracking
- https://github.com/OpenSC/OpenSC/commit/a3fc7693f3a035a8a7921cffb98432944bb42740 x_refsource_MISCPatchThird Party Advisory
- https://github.com/OpenSC/OpenSC/compare/f1691fc...12218d4 x_refsource_MISCPatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2019/09/msg00009.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/11/msg00027.html mailing-listx_refsource_MLISTMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NDSQLMZZYBHO5X3BK7D6E7E6NZIMZDI5/ vendor-advisoryx_refsource_FEDORA
- https://nvd.nist.gov/vuln/detail/CVE-2019-15946
- https://www.cve.org/CVERecord?id=CVE-2019-15946
Change history (0)
No recorded changes yet.