HIGH
opensc: memory leak in sc_context_create in ctx.c in libopensc
Published Jan 22, 2019
7.5
HIGHCVSS 3.0
EPSS 2.20%
Description
sc_context_create in ctx.c in libopensc in OpenSC 0.19.0 has a memory leak, as demonstrated by a call from eidenv.
Affected products
No data.
- 0.19.0
No data.
Red Hat Enterprise Linux 7
opensc
Not affected
Red Hat Enterprise Linux 8
opensc
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 7 | opensc | Not affected | n/a |
| Red Hat Enterprise Linux 8 | opensc | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
7.5 HIGH NVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.20% 0.02198
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02198
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.20% (0.02198) | 81.86th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.45% (0.02448) | 82.19th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.28% (0.00282) | 68.86th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.28% (0.00282) | 67.67th | v3 (v2023.03.01) |
| Jan 16, 2024 | 0.28% (0.00282) | 65.17th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.21% (0.00206) | 57.85th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.11% (0.00108) | 42.03th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.50% (0.04499) | 74.08th | v2 (v2022.01.01) |
| Feb 3, 2022 | 2.74% (0.02742) | 63.06th | v5 (v2026.06.15) |
| Jan 6, 2022 | 2.74% (0.02742) | 62.72th | v1 |
| Sep 1, 2021 | 0.62% (0.00624) | 45.04th | v1 |
| Apr 14, 2021 | 0.62% (0.00624) | 0.00th | v1 |
Weaknesses (2)
References (7)
- http://www.openwall.com/lists/oss-security/2019/12/29/1 mailing-list
- https://access.redhat.com/security/cve/CVE-2019-6502 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1668933 Issue Tracking
- https://github.com/OpenSC/OpenSC/issues/1586 ExploitIssue TrackingThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html mailing-list
- https://nvd.nist.gov/vuln/detail/CVE-2019-6502
- https://www.cve.org/CVERecord?id=CVE-2019-6502
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2019/12/29/1 | mailing-list | |
| https://access.redhat.com/security/cve/CVE-2019-6502 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1668933 | Issue Tracking | |
| https://github.com/OpenSC/OpenSC/issues/1586 | ExploitIssue TrackingThird Party Advisory | |
| https://lists.debian.org/debian-lts-announce/2023/06/msg00025.html | mailing-list | |
| https://nvd.nist.gov/vuln/detail/CVE-2019-6502 | ||
| https://www.cve.org/CVERecord?id=CVE-2019-6502 |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Jan 22, 2019
Updated Aug 4, 2024
Reserved Jan 22, 2019
Link CVE-2019-6502
CISA Vulnrichment
Updated n/a