CVE-2012-3812

mediumpriority · track · 17EPSS 0.032 · 88 %ileEUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

3.20% (88th) EPSS

CVSS 4 · medium

Is it mine?

51 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

EPSS · scored 2026-10-28

Double free vulnerability in apps/app_voicemail.c in Asterisk Open Source 1.8.x before 1.8.13.1 and 10.x before 10.5.2, Certified Asterisk 1.8.11-certx before 1.8.11-cert4, and Asterisk Digiumphones 10.x.x-digiumphones before 10.5.2-digiumphones allows remote authenticated users to cause a denial of service (daemon crash) by establishing multiple voicemail sessions and accessing both the Urgent mailbox and the INBOX mailbox.

cvss

Technical severity, 0–10. One row per scoring source.

4.0

010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · low–medium · 3.4–4

v2.04mediumAV:N/AC:L/Au:S/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 8 · impact 2.9

v2.03.4lowAV:N/AC:L/Au:S/C:N/I:N/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-399USprimary

affected products (51)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
digium asterisk= 1.8.0nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.1nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.1.1nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.1.2nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.11.0nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.11.1nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.13.0nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.2nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.2.1nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.2.2nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.2.3nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.2.4nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.3nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.3.1nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.3.2nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.3.3nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.4nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.4.1nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*
digium asterisk= 1.8.4.2nvdUScpe:2.3:a:digium:asterisk:*:*:*:*:*:*:*:*

showing 20 of 51

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2012-07-09modified 2026-06-16

related (3,726)

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+3721 more

references (16)

External citations — patches, advisories, analysis.

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