rsyslog: double free flaw in ElasticSearch plugin
Published Oct 4, 2013
6.8
MEDIUMCVSS 2.0
EPSS 2.33%
Description
Double free vulnerability in the writeDataError function in the ElasticSearch plugin (omelasticsearch) in rsyslog before 7.4.2 and before 7.5.2 devel, when errorfile is set to local logging, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted JSON response.
Affected products
No data.
- ≤ 7.4.1
- ≤ 7.5.1
- 6.4.2
- 6.5.1
- 6.6.0
- 7.1.0
- 7.1.1
- 7.1.2
- 7.1.3
- 7.1.4
- 7.1.5
- 7.1.6
- 7.1.7
- 7.1.8
- 7.1.9
- 7.1.10
- 7.1.11
- 7.1.12
- 7.2.1
- 7.2.2
- 7.2.3
- 7.2.4
- 7.2.5
- 7.2.6
- 7.2.7
- 7.3.0
- 7.3.1
- 7.3.3
- 7.3.4
- 7.3.5
- 7.3.6
- 7.3.7
- 7.3.8
- 7.3.9
- 7.3.10
- 7.3.11
- 7.3.12
- 7.3.13
- 7.3.14
- 7.3.15
- 7.4.0
- 7.5.0
No data.
Red Hat Enterprise Linux 5
rsyslog
Not affected
Red Hat Enterprise Linux 6
rsyslog
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | rsyslog | Not affected | n/a |
| Red Hat Enterprise Linux 6 | rsyslog | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not Vulnerable. This issue does not affect the version of rsyslog as shipped with Red Hat Enterprise Linux 5 and 6.
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: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
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.33% (0.02330) | 82.92th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.33% (0.02330) | 81.25th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.30% (0.01296) | 78.32th | v4 (v2025.03.14) |
| Dec 12, 2024 | 6.25% (0.06249) | 93.86th | v3 (v2023.03.01) |
| Sep 17, 2024 | 6.25% (0.06249) | 93.74th | v3 (v2023.03.01) |
| May 24, 2024 | 2.65% (0.02651) | 90.37th | v3 (v2023.03.01) |
| May 10, 2024 | 1.59% (0.01592) | 87.29th | v3 (v2023.03.01) |
| Apr 25, 2024 | 1.35% (0.01350) | 85.95th | v3 (v2023.03.01) |
| Mar 15, 2024 | 1.27% (0.01272) | 85.34th | v3 (v2023.03.01) |
| Feb 8, 2024 | 1.29% (0.01293) | 85.38th | v3 (v2023.03.01) |
| Mar 7, 2023 | 6.25% (0.06249) | 92.44th | v3 (v2023.03.01) |
| Mar 6, 2023 | 4.29% (0.04291) | 87.64th | v2 (v2022.01.01) |
| Apr 1, 2022 | 4.29% (0.04291) | 86.39th | v2 (v2022.01.01) |
| Feb 4, 2022 | 4.29% (0.04291) | 70.14th | v2 (v2022.01.01) |
References (7)
- http://www.openwall.com/lists/oss-security/2013/07/05/2 mailing-listx_refsource_MLIST
- http://www.rsyslog.com/rsyslog-7-4-2-v7-stable-released/ x_refsource_CONFIRMPatch
- http://www.rsyslog.com/rsyslog-7-5-2-v7-devel-released/ x_refsource_CONFIRMPatch
- https://access.redhat.com/security/cve/CVE-2013-4758 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=981719 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2013-4758
- https://www.cve.org/CVERecord?id=CVE-2013-4758
| Link | Providers | Tags |
|---|---|---|
| http://www.openwall.com/lists/oss-security/2013/07/05/2 | mailing-listx_refsource_MLIST | |
| http://www.rsyslog.com/rsyslog-7-4-2-v7-stable-released/ | x_refsource_CONFIRMPatch | |
| http://www.rsyslog.com/rsyslog-7-5-2-v7-devel-released/ | x_refsource_CONFIRMPatch | |
| https://access.redhat.com/security/cve/CVE-2013-4758 | Vendor Advisory | |
| https://bugzilla.redhat.com/show_bug.cgi?id=981719 | Issue Tracking | |
| https://nvd.nist.gov/vuln/detail/CVE-2013-4758 | ||
| https://www.cve.org/CVERecord?id=CVE-2013-4758 |
Change history (0)
No recorded changes yet.