CVE-2013-2238
CVE-2013-2238 is a medium-severity vulnerability in Freeswitch with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: Medium (CVSS 2.0 base score 6.8)
- EPSS exploit prediction: 3% (84th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Freeswitch
- Published:
- Last modified:
Description
Multiple buffer overflows in the switch_perform_substitution function in switch_regex.c in FreeSWITCH 1.2 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to the index and substituted variables.
Frequently asked questions
- What is CVE-2013-2238?
- Multiple buffer overflows in the switch_perform_substitution function in switch_regex.c in FreeSWITCH 1.2 allow remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to the index and substituted variables.
- How severe is CVE-2013-2238?
- CVE-2013-2238 has a CVSS 2.0 base score of 6.8, rated medium severity.
- Is CVE-2013-2238 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2013-2238?
- CVE-2013-2238 affects Freeswitch. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2013-2238?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2013-2238 published?
- CVE-2013-2238 was published on 2013-09-30 and last updated on 2026-06-16.
References
Affected products (1)
- cpe:2.3:a:freeswitch:freeswitch:1.2:*:*:*:*:*:*:*
More vulnerabilities in Freeswitch
- CVE-2026-49841 — Critical (CVSS 9.8): FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to…
- CVE-2019-19492 — Critical (CVSS 9.8): FreeSWITCH 1.6.10 through 1.10.1 has a default password in event_socket.conf.xml.
- CVE-2026-49840 — Critical (CVSS 9.1): FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to…
- CVE-2021-41145 — High (CVSS 8.6): FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to…
- CVE-2026-49847 — High (CVSS 7.5): FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to…
- CVE-2026-49842 — High (CVSS 7.5): FreeSWITCH is a Software Defined Telecom Stack enabling the digital transformation from proprietary telecom switches to…
All CVEs affecting Freeswitch →
Other CWE-119 (Improper Restriction of Operations within the Bounds of a Memory Buffer) vulnerabilities
- CVE-2026-2778 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the DOM: Core & HTML component. This vulnerability was fixed in…
- CVE-2026-2776 — Critical (CVSS 10.0): Sandbox escape due to incorrect boundary conditions in the Telemetry component in External Software. This vulnerability…
- CVE-2025-1866 — Critical (CVSS 10.0): Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in warmcat libwebsockets allows…
- CVE-2022-27625 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
- CVE-2022-27624 — Critical (CVSS 10.0): A vulnerability regarding improper restriction of operations within the bounds of a memory buffer is found in the…
- CVE-2020-11896 — Critical (CVSS 10.0): The Treck TCP/IP stack before 6.0.1.66 allows Remote Code Execution, related to IPv4 tunneling.