nss_compat_ossl: incorrect multi-keyword mode cipherstring parsing
Published Jul 25, 2017
9.8
CRITICALCVSS 3.0
EPSS 1.51%
Description
The cipherstring parsing code in nss_compat_ossl while in multi-keyword mode does not match the expected set of ciphers for a given cipher combination, which allows attackers to have unspecified impact via unknown vectors.
Affected products
No data.
- n/a
No data.
Red Hat Enterprise Linux 6
nss_compat_ossl
Will not fix
Red Hat Enterprise Linux 7
nss_compat_ossl
Will not fix
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | nss_compat_ossl | Will not fix | n/a |
| Red Hat Enterprise Linux 7 | nss_compat_ossl | 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.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AV:N/AC:L/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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (9 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.51% (0.01510) | 73.50th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.51% (0.01510) | 71.03th | v5 (v2026.06.15) |
| Mar 17, 2025 | 0.42% (0.00422) | 59.98th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.17% (0.00171) | 55.45th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.18% (0.00175) | 52.81th | v3 (v2023.03.01) |
| Mar 6, 2023 | 0.89% (0.00885) | 27.89th | v2 (v2022.01.01) |
| Sep 10, 2022 | 0.89% (0.00885) | 26.24th | v2 (v2022.01.01) |
| Apr 1, 2022 | 0.89% (0.00885) | 24.24th | v2 (v2022.01.01) |
| Feb 4, 2022 | 0.89% (0.00885) | 10.50th | v2 (v2022.01.01) |
References (4)
- https://access.redhat.com/security/cve/CVE-2015-3278 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1238326 x_refsource_CONFIRMIssue TrackingThird Party AdvisoryVDB Entry
- https://nvd.nist.gov/vuln/detail/CVE-2015-3278
- https://www.cve.org/CVERecord?id=CVE-2015-3278
| Link | Providers | Tags |
|---|---|---|
| https://access.redhat.com/security/cve/CVE-2015-3278 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1238326 | x_refsource_CONFIRMIssue TrackingThird Party AdvisoryVDB Entry | |
| https://nvd.nist.gov/vuln/detail/CVE-2015-3278 | ||
| https://www.cve.org/CVERecord?id=CVE-2015-3278 |
Change history (0)
No recorded changes yet.