There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

  - Buffer overflow in DNS SRV and NAPTR lookups in Digium Asterisk 15.x before 15.6.2 and 16.x before 16.0.1
    allows remote attackers to crash Asterisk via a specially crafted DNS SRV or NAPTR response, because a
    buffer size is supposed to match an expanded length but actually matches a compressed length.
    (CVE-2018-19278)

  - An Integer Signedness issue (for a return code) in the res_pjsip_sdp_rtp module in Digium Asterisk
    versions 15.7.1 and earlier and 16.1.1 and earlier allows remote authenticated users to crash Asterisk via
    a specially crafted SDP protocol violation. (CVE-2019-7251)

  - Buffer overflow in res_pjsip_messaging in Digium Asterisk versions 13.21-cert3, 13.27.0, 15.7.2, 16.4.0
    and earlier allows remote authenticated users to crash Asterisk by sending a specially crafted SIP MESSAGE
    message. (CVE-2019-12827)

  - An issue was discovered in Asterisk Open Source through 13.27.0, 14.x and 15.x through 15.7.2, and 16.x
    through 16.4.0, and Certified Asterisk through 13.21-cert3. A pointer dereference in chan_sip while
    handling SDP negotiation allows an attacker to crash Asterisk when handling an SDP answer to an outgoing
    T.38 re-invite. To exploit this vulnerability an attacker must cause the chan_sip module to send a T.38
    re-invite request to them. Upon receipt, the attacker must send an SDP answer containing both a T.38 UDPTL
    stream and another media stream containing only a codec (which is not permitted according to the chan_sip
    configuration). (CVE-2019-13161)

  - res_pjsip_t38 in Sangoma Asterisk 15.x before 15.7.4 and 16.x before 16.5.1 allows an attacker to trigger
    a crash by sending a declined stream in a response to a T.38 re-invite initiated by Asterisk. The crash
    occurs because of a NULL session media object dereference. (CVE-2019-15297)

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

  - An Integer Signedness issue (for a return code) in the res_pjsip_sdp_rtp module in Digium Asterisk
    versions 15.7.1 and earlier and 16.1.1 and earlier allows remote authenticated users to crash Asterisk via
    a specially crafted SDP protocol violation. (CVE-2019-7251)

  - Buffer overflow in res_pjsip_messaging in Digium Asterisk versions 13.21-cert3, 13.27.0, 15.7.2, 16.4.0
    and earlier allows remote authenticated users to crash Asterisk by sending a specially crafted SIP MESSAGE
    message. (CVE-2019-12827)

  - An issue was discovered in Asterisk Open Source through 13.27.0, 14.x and 15.x through 15.7.2, and 16.x
    through 16.4.0, and Certified Asterisk through 13.21-cert3. A pointer dereference in chan_sip while
    handling SDP negotiation allows an attacker to crash Asterisk when handling an SDP answer to an outgoing
    T.38 re-invite. To exploit this vulnerability an attacker must cause the chan_sip module to send a T.38
    re-invite request to them. Upon receipt, the attacker must send an SDP answer containing both a T.38 UDPTL
    stream and another media stream containing only a codec (which is not permitted according to the chan_sip
    configuration). (CVE-2019-13161)

  - res_pjsip_t38 in Sangoma Asterisk 15.x before 15.7.4 and 16.x before 16.5.1 allows an attacker to trigger
    a crash by sending a declined stream in a response to a T.38 re-invite initiated by Asterisk. The crash
    occurs because of a NULL session media object dereference. (CVE-2019-15297)

There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

  - Buffer overflow in res_pjsip_messaging in Digium Asterisk versions 13.21-cert3, 13.27.0, 15.7.2, 16.4.0
    and earlier allows remote authenticated users to crash Asterisk by sending a specially crafted SIP MESSAGE
    message. (CVE-2019-12827)

  - An issue was discovered in Asterisk Open Source through 13.27.0, 14.x and 15.x through 15.7.2, and 16.x
    through 16.4.0, and Certified Asterisk through 13.21-cert3. A pointer dereference in chan_sip while
    handling SDP negotiation allows an attacker to crash Asterisk when handling an SDP answer to an outgoing
    T.38 re-invite. To exploit this vulnerability an attacker must cause the chan_sip module to send a T.38
    re-invite request to them. Upon receipt, the attacker must send an SDP answer containing both a T.38 UDPTL
    stream and another media stream containing only a codec (which is not permitted according to the chan_sip
    configuration). (CVE-2019-13161)

  - res_pjsip_t38 in Sangoma Asterisk 15.x before 15.7.4 and 16.x before 16.5.1 allows an attacker to trigger
    a crash by sending a declined stream in a response to a T.38 re-invite initiated by Asterisk. The crash
    occurs because of a NULL session media object dereference. (CVE-2019-15297)

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - Buffer overflow in res_pjsip_messaging in Digium Asterisk versions 13.21-cert3, 13.27.0, 15.7.2, 16.4.0
    and earlier allows remote authenticated users to crash Asterisk by sending a specially crafted SIP MESSAGE
    message. (CVE-2019-12827)

Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件，且廠商未提供可用的修補程式。

  - Digium Asterisk 13.21-cert3、 13.27.0、 15.7.2、 16.4.0 版和更舊版本中的 res_pjsip_messaging 有緩衝區溢位問題允許經驗證的遠端使用者傳送特製的 SIP MESSAGE 訊息以損毀 Asterisk。 (CVE-2019-12827)

請注意，Nessus 的判定取決於廠商所報告的套件是否存在。

Linux/Unix 主机中安装的一个或多个程序包受到一个漏洞影响，而供应商没有提供补丁程序。

  - Digium Asterisk 13.21-cert3 版本中的 res_pjsip_messaging 中存在缓冲区溢出 13.27.0、 15.7.2、 16.4.0 和更早版本允许经过认证的远程用户通过发送特别构建的 SIP MESSAGE 消息造成 Asterisk 崩溃。 (CVE-2019-12827)

请注意，Nessus 依赖供应商报告的程序包是否存在进行判断。

Linux/Unix ホストには、ベンダーが提供するパッチが利用できない脆弱性の影響を受ける複数のパッケージがインストールされています。

  - Digium Asterisk バージョン 13.21-cert3、 13.27.0、 15.7.2、 16.4.0 以前の res_pjsip_messaging のバッファオーバーフローのために、認証されたリモートユーザーが特別に細工された SIP MESSAGE メッセージを送信することで Asterisk をクラッシュさせることが可能です。CVE-2019-12827

Nessus は、ベンダーによって報告されたパッケージの存在に依存していることに注意してください。

Asterisk プロジェクトによる報告：

特別に細工されたSIPダイアログ内MESSAGEメッセージにより、Asteriskがクラッシュする可能性があります。

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Buffer overflow in res_pjsip_messaging in Digium Asterisk versions 13.21-cert3, 13.27.0, 15.7.2, 16.4.0     and earlier allows remote authenticated users to crash Asterisk by sending a specially crafted SIP MESSAGE     message. (CVE-2019-12827)

Note that Nessus relies on the presence of the package as reported by the vendor.

The Asterisk project reports :

A specially crafted SIP in-dialog MESSAGE message can cause Asterisk to crash.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
403575	Alpine: asterisk: security update to 15.6.2-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	2023/10/31	2026/7/2	high
403577	Alpine: asterisk: security update to 15.7.4-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	2023/10/31	2026/7/2	medium
403577	Alpine: asterisk: security update to 15.7.4-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	2023/10/31	2026/7/2	medium
403575	Alpine: asterisk: security update to 15.6.2-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	2023/10/31	2026/7/2	high
403583	Alpine: asterisk: security update to 16.3.0-r2	Tenable Cloud Security	Alpine Linux Local Security Checks	2023/10/31	2026/7/2	medium
423681	Alpine: multiple asterisk packages: security update to 16.4.1-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	2025/4/4	2026/7/2	medium
403583	Alpine: asterisk: security update to 16.3.0-r2	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	2023/10/31	2026/7/2	medium
423681	Alpine: multiple asterisk packages: security update to 16.4.1-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	2025/4/4	2026/7/2	medium
252405	Linux Distros 未修補的弱點：CVE-2019-12827	Nessus	Misc.	2025/8/20	2026/7/21	medium
252405	Linux Distros 未修补的漏洞：CVE-2019-12827	Nessus	Misc.	2025/8/20	2026/7/21	medium
252405	Linux Distros のパッチ未適用の脆弱性: CVE-2019-12827	Nessus	Misc.	2025/8/20	2026/7/21	medium
126666	FreeBSD: asterisk --MESSAGEメッセージでのリモートクラッシュの脆弱性（818b2bcb-a46f-11e9-bed9-001999f8d30b）	Nessus	FreeBSD Local Security Checks	2019/7/15	2024/5/10	medium
252405	Linux Distros Unpatched Vulnerability : CVE-2019-12827	Nessus	Misc.	2025/8/20	2026/7/21	medium
126666	FreeBSD : asterisk -- Remote crash vulnerability with MESSAGE messages (818b2bcb-a46f-11e9-bed9-001999f8d30b)	Nessus	FreeBSD Local Security Checks	2019/7/15	2024/5/10	medium

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