ruby: DoS via long string in str_buf_cat()
Published Nov 16, 2014
5.0
MEDIUMCVSS 2.0
EPSS 1.37%
Description
The str_buf_cat function in string.c in Ruby 1.9.3, 2.0.0, and 2.1 allows context-dependent attackers to cause a denial of service (segmentation fault and crash) via a long string.
Affected products
No data.
- 1.9.3
- 2.0.0
- 2.1.0
No data.
CloudForms Management Engine 5
ruby
Will not fix
Red Hat Enterprise Linux 5
ruby
Not affected
Red Hat Enterprise Linux 6
ruby
Not affected
Red Hat Enterprise Linux 7
ruby
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| CloudForms Management Engine 5 | ruby | Will not fix | n/a |
| Red Hat Enterprise Linux 5 | ruby | Not affected | n/a |
| Red Hat Enterprise Linux 6 | ruby | Not affected | n/a |
| Red Hat Enterprise Linux 7 | ruby | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
This issue did not affect the versions of ruby as shipped with Red Hat Enterprise Linux 5, 6 or 7 as it only affects the 64-bit Windows platform.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/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 2, 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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.37% (0.01374) | 71.03th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.37% (0.01374) | 68.34th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.49% (0.00490) | 62.79th | v4 (v2025.03.14) |
| Mar 29, 2025 | 1.66% (0.01660) | 70.60th | v4 (v2025.03.14) |
| Mar 17, 2025 | 0.54% (0.00541) | 65.66th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.47% (0.00472) | 76.46th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.47% (0.00472) | 74.91th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.47% (0.00472) | 71.87th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Sep 10, 2022 | 1.02% (0.01018) | 38.88th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
References (9)
- http://seclists.org/oss-sec/2014/q2/362 mailing-listx_refsource_MLIST
- http://seclists.org/oss-sec/2014/q2/375 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/67705 vdb-entryx_refsource_BID
- https://access.redhat.com/security/cve/CVE-2014-3916 Vendor Advisory
- https://bugs.ruby-lang.org/issues/9709 x_refsource_MISCVendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1164844 Issue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/93505 vdb-entryx_refsource_XF
- https://nvd.nist.gov/vuln/detail/CVE-2014-3916
- https://www.cve.org/CVERecord?id=CVE-2014-3916
| Link | Providers | Tags |
|---|---|---|
| http://seclists.org/oss-sec/2014/q2/362 | mailing-listx_refsource_MLIST | |
| http://seclists.org/oss-sec/2014/q2/375 | mailing-listx_refsource_MLIST | |
| http://www.securityfocus.com/bid/67705 | vdb-entryx_refsource_BID | |
| https://access.redhat.com/security/cve/CVE-2014-3916 | Vendor Advisory | |
| https://bugs.ruby-lang.org/issues/9709 | x_refsource_MISCVendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=1164844 | Issue Tracking | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/93505 | vdb-entryx_refsource_XF | |
| https://nvd.nist.gov/vuln/detail/CVE-2014-3916 | ||
| https://www.cve.org/CVERecord?id=CVE-2014-3916 |
Change history (0)
No recorded changes yet.