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Vulnerability record · CVE-2007-2488 · published 7 May 2007

CVE-2007-2488: Asterisk vulnerability

Asterisk · Asterisk

The IAX2 channel driver (chan_iax2) in Asterisk before 20070504 does not properly null terminate data, which allows remote attackers to trigger loss of transmitted data, and possibly obtain sensitive information (memory contents) or cause a denial of service (application crash), by sending a frame that lacks a 0 byte.

10.0 CVSS 2.0 High EPSS 4.3% · top 9.2%
10.0CVSS 2.0 base score
4.3%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
18References
16 Jun 2026Last modified by NVD

Description

The IAX2 channel driver (chan_iax2) in Asterisk before 20070504 does not properly null terminate data, which allows remote attackers to trigger loss of transmitted data, and possibly obtain sensitive information (memory contents) or cause a denial of service (application crash), by sending a frame that lacks a 0 byte.

AV:N/AC:L/Au:N/C:C/I:C/A:C

Affected products

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

References

LinkTags
http://ftp.digium.com/pub/asa/ASA-2007-013.pdf
http://osvdb.org/35769
http://secunia.com/advisories/25134
http://secunia.com/advisories/25582
http://www.debian.org/security/2007/dsa-1358
http://www.novell.com/linux/security/advisories/2007_34_asterisk.html
http://www.securityfocus.com/bid/23824
http://www.vupen.com/english/advisories/2007/1661
https://exchange.xforce.ibmcloud.com/vulnerabilities/34085
http://ftp.digium.com/pub/asa/ASA-2007-013.pdf
http://osvdb.org/35769
http://secunia.com/advisories/25134
http://secunia.com/advisories/25582
http://www.debian.org/security/2007/dsa-1358
http://www.novell.com/linux/security/advisories/2007_34_asterisk.html
http://www.securityfocus.com/bid/23824
http://www.vupen.com/english/advisories/2007/1661
https://exchange.xforce.ibmcloud.com/vulnerabilities/34085

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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-2007-2488), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.