opensc: incorrect free operation in sc_pkcs15_decode_prkdf_entry in libopensc/pkcs15-prkey.c
Published Dec 1, 2019
4.6
MEDIUMCVSS 3.1
EPSS 0.57%
Description
An issue was discovered in OpenSC through 0.19.0 and 0.20.x through 0.20.0-rc3. libopensc/pkcs15-prkey.c has an incorrect free operation in sc_pkcs15_decode_prkdf_entry.
Affected products
No data.
- ≤ 0.19.0
- 0.20.0
- 0.20.0
- 0.20.0
Running on/with
- n/a
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
Red Hat statement
Please note that this issue was was introduced with https://github.com/OpenSC/OpenSC/commit/630d6adf32cecaab0ee184618f56497bd50400fb and fixed with https://github.com/OpenSC/OpenSC/commit/6ce6152284c47ba9b1d4fe8ff9d2e6a3f5ee02c7, therefore no release versions of opensc are affected by this issue.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
No CVSS v3.0 score for this CVE.
AV:L/AC:L/Au:N/C:N/I:N/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 4, 2026.
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 (11 key points)
Flat stretches are collapsed. Showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 4, 2026 | 0.57% (0.00573) | 45.38th | v5 (v2026.06.15) |
| Sep 20, 2026 | 0.57% (0.00573) | 46.05th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.09% (0.00094) | 40.28th | v3 (v2023.03.01) |
| Jul 13, 2024 | 0.09% (0.00094) | 40.27th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.09% (0.00094) | 38.27th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.79% (0.01787) | 54.18th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.50% (0.04504) | 76.47th | v1 |
| Jan 6, 2022 | 4.50% (0.04504) | 76.26th | v1 |
| Jan 5, 2022 | 1.04% (0.01040) | 65.70th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.04% (0.01040) | 0.00th | v1 |
References (8)
- http://www.openwall.com/lists/oss-security/2019/12/29/1 mailing-listx_refsource_MLISTMailing List
- https://access.redhat.com/security/cve/CVE-2019-19480 Vendor Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18478 x_refsource_MISCExploitPatchThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1782950 Issue Tracking
- https://github.com/OpenSC/OpenSC/commit/6ce6152284c47ba9b1d4fe8ff9d2e6a3f5ee02c7 x_refsource_MISCPatchThird 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-2019-19480
- https://www.cve.org/CVERecord?id=CVE-2019-19480
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2019/12/29/1 | mailing-listx_refsource_MLISTMailing List | |
| https://access.redhat.com/security/cve/CVE-2019-19480 | Vendor Advisory | |
| https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=18478 | x_refsource_MISCExploitPatchThird Party Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1782950 | Issue Tracking | |
| https://github.com/OpenSC/OpenSC/commit/6ce6152284c47ba9b1d4fe8ff9d2e6a3f5ee02c7 | x_refsource_MISCPatchThird 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-2019-19480 | ||
| https://www.cve.org/CVERecord?id=CVE-2019-19480 |
Change history (0)
No recorded changes yet.