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Vulnerability record · CVE-2013-2238 · published 30 September 2013

CVE-2013-2238: Freeswitch memory buffer overflow vulnerability

Freeswitch · Freeswitch

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.

6.8 CVSS 2.0 Medium EPSS 2.7% · top 14.5% CWE-119 · Memory buffer overflow
6.8CVSS 2.0 base score
2.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References, 2 tagged exploit
16 Jun 2026Last modified by NVD

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.

AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://jira.freeswitch.org/browse/FS-5566 ExploitPatch
http://www.openwall.com/lists/oss-security/2013/07/04/4 Patch
http://jira.freeswitch.org/browse/FS-5566 ExploitPatch
http://www.openwall.com/lists/oss-security/2013/07/04/4 Patch

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2013-2238), CISA KEV, FIRST EPSS (scores of 2026-10-08). This page is refreshed as NVD updates the record.