CVE-2007-2293

7.6 HIGH 24% exploit odds Fix listed Memory safety

What it is

Multiple stack-based buffer overflows in the process_sdp function in chan_sip.c of the SIP channel T.38 SDP parser in Asterisk before 1.4.3 allow remote attackers to execute arbitrary code via a long (1) T38FaxRateManagement or (2) T38FaxUdpEC SDP parameter in an SIP message, as demonstrated using SIP INVITE.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.
Exploit odds: 23.9% chance of exploitation in the next 30 days (EPSS). Higher than most.
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2007-04-26 20:19 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:39 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 23.9% in the next 30 days (EPSS).
Severity: 7.6 HIGH (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2007-04-26 20:19 UTC
Last modified: 2026-06-16 22:39 UTC
Exploit probability: 23.9% · EPSS, next 30 days
Record status: Modified

Affected

Asterisk 1.4.1
Asterisk 1.4.2
Asterisk 1.4_beta

Attack profile CVSS 2.0 · 7.6

Attack vector: Network
Complexity: High
Authentication: None
Confidentiality: Complete
Integrity: Complete
Availability: Complete

Raw vector

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

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2007-2293.md and follow it. Check whether this project is affected by CVE-2007-2293. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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Fix and advisories

References

NVD record · CVE.org record