CVE-2006-1827

6.4 MEDIUM 7% exploit odds Fix listed Code execution

What it is

Integer signedness error in format_jpeg.c in Asterisk 1.2.6 and earlier allows remote attackers to execute arbitrary code via a length value that passes a length check as a negative number, but triggers a buffer overflow when it is used as an unsigned length.

At a glance

Exploitability: Can be exploited over the network without logging in. Limited direct impact.
Exploit odds: 7.0% chance of exploitation in the next 30 days (EPSS).
Fix: A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

2006-04-18 20:02 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-06-16 22:23 UTC Last updatedMost recent change to the record

Why it ranks here

Exploited in the wild: no, CISA does not list it.
Exploit odds: 7.0% in the next 30 days (EPSS).
Severity: 6.4 MEDIUM (CVSS).
Fix: a patch or advisory is linked.

Details

Published: 2006-04-18 20:02 UTC
Last modified: 2026-06-16 22:23 UTC
Exploit probability: 7.0% · EPSS, next 30 days
Record status: Modified

Affected

Digium Asterisk ≤ 1.2.6
Digium Asterisk 0.1.0
Digium Asterisk 0.1.1
Digium Asterisk 0.1.2
Digium Asterisk 0.1.3
Digium Asterisk 0.1.4
Digium Asterisk 0.1.5
Digium Asterisk 0.1.6

Attack profile CVSS 2.0 · 6.4

Attack vector: Network
Complexity: Low
Authentication: None
Confidentiality: None
Integrity: Partial
Availability: Partial

Raw vector

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

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-2006-1827.md and follow it. Check whether this project is affected by CVE-2006-1827. 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