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.
CVE-2007-2488
NONECVSS 0.0
0.0
EchelonGraph verdictMonitorLow exploitation likelihood right now — keep watching.
- No confirmed exploitation signals yet
CISA-KEV: Not listedEPSS: 4%CVSS: —Exploit: NoneExposed: 0
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- —
- EG Score
- 0.0(none)
- EPSS
- 90.0%
- KEV
- Not listed
Published
May 7, 2007
Last Modified
April 23, 2026
References (18)
- cve@mitrehttp://ftp.digium.com/pub/asa/ASA-2007-013.pdf
- cve@mitrehttp://osvdb.org/35769
- cve@mitrehttp://secunia.com/advisories/25134
- cve@mitrehttp://secunia.com/advisories/25582
- cve@mitrehttp://www.debian.org/security/2007/dsa-1358
- cve@mitrehttp://www.novell.com/linux/security/advisories/2007_34_asterisk.html
- cve@mitrehttp://www.securityfocus.com/bid/23824
- cve@mitrehttp://www.vupen.com/english/advisories/2007/1661
- cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/34085
- af854a3a-2127-422b-91ae-364da2661108http://ftp.digium.com/pub/asa/ASA-2007-013.pdf
- af854a3a-2127-422b-91ae-364da2661108http://osvdb.org/35769
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/25134
- af854a3a-2127-422b-91ae-364da2661108http://secunia.com/advisories/25582
- af854a3a-2127-422b-91ae-364da2661108http://www.debian.org/security/2007/dsa-1358
- af854a3a-2127-422b-91ae-364da2661108http://www.novell.com/linux/security/advisories/2007_34_asterisk.html
Data Freshness Timeline
(refreshed 5× in last 7d / 38× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-13 22:25 UTCEPSS rescore
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- 2026-05-31 02:53 UTCGHSA enrichment
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Frequently asked(4)
What is CVE-2007-2488?
CVE-2007-2488 is a none vulnerability published on May 7, 2007. 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…
When was CVE-2007-2488 disclosed?
CVE-2007-2488 was first published in the National Vulnerability Database on May 7, 2007, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2007-2488 actively exploited?
CVE-2007-2488 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 90.0% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2007-2488?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2007-2488, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.
Dependency Blast Radius
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