The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2022-3362:02 advisory.

    * fetchmail: DoS or information disclosure when logging long messages     (CVE-2021-36386)
      * fetchmail: STARTTLS session encryption bypassing (CVE-2021-39272)

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote CentOS Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the CESA-2022:1964 advisory.

  - fetchmail: DoS or information disclosure when logging long messages (CVE-2021-36386)

  - fetchmail: STARTTLS session encryption bypassing (CVE-2021-39272)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALINUX3-SA-2022:0198 advisory.

    Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

    CVE-2021-36386:
    report_vbuild in report.c in Fetchmail before 6.4.20 sometimes omits initialization of the vsnprintf     va_list argument, which might allow mail servers to cause a denial of service or possibly have unspecified     other impact via long error messages. NOTE: it is unclear whether use of Fetchmail on any realistic     platform results in an impact beyond an inconvenience to the client user.

    CVE-2021-39272:
    Fetchmail before 6.4.22 fails to enforce STARTTLS session encryption in some circumstances, such as a     certain situation with IMAP and PREAUTH.

Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Problem :

In certain circumstances, fetchmail 6.4.21 and older would not encrypt the session using STARTTLS/STLS, and might not have cleared session state across the TLS negotiation.

The remote SUSE Linux SUSE15 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2021:4018-1 advisory.

  - report_vbuild in report.c in Fetchmail before 6.4.20 sometimes omits initialization of the vsnprintf     va_list argument, which might allow mail servers to cause a denial of service or possibly have unspecified     other impact via long error messages. NOTE: it is unclear whether use of Fetchmail on any realistic     platform results in an impact beyond an inconvenience to the client user. (CVE-2021-36386)

  - Fetchmail before 6.4.22 fails to enforce STARTTLS session encryption in some circumstances, such as a     certain situation with IMAP and PREAUTH. (CVE-2021-39272)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLES15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2021:3493-1 advisory.

    - CVE-2021-39272: Fix failure to enforce STARTTLS session encryption in some circumstances, such as a     certain situation with IMAP and PREAUTH. (bsc#1190069)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SUSE15 host has packages installed that are affected by a vulnerability as referenced in the openSUSE-SU-2021:1416-1 advisory.

  - Fetchmail before 6.4.22 fails to enforce STARTTLS session encryption in some circumstances, such as a     certain situation with IMAP and PREAUTH. (CVE-2021-39272)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
294497	MiracleLinux 8 : fetchmail-6.4.24-1.el8.ML.1 (AXSA:2022-3362:02)	Nessus	Miracle Linux Local Security Checks	2026/1/20	2026/1/20	medium
160955	CentOS 8 : fetchmail (CESA-2022:1964)	Nessus	CentOS Local Security Checks	2022/5/10	2022/5/10	medium
235980	Alibaba Cloud Linux 3 : 0198: fetchmail (ALINUX3-SA-2022:0198)	Nessus	Alibaba Cloud Linux Local Security Checks	2025/5/14	2025/5/14	medium
152901	FreeBSD : fetchmail -- STARTTLS bypass vulnerabilities (1d6410e8-06c1-11ec-a35d-03ca114d16d6)	Nessus	FreeBSD Local Security Checks	2021/8/30	2021/9/7	medium
156154	openSUSE 15 Security Update : fetchmail (openSUSE-SU-2021:4018-1)	Nessus	SuSE Local Security Checks	2021/12/17	2021/12/17	medium
154300	SUSE SLED15 / SLES15 Security Update : fetchmail (SUSE-SU-2021:3493-1)	Nessus	SuSE Local Security Checks	2021/10/21	2026/6/26	medium
154763	openSUSE 15 Security Update : fetchmail (openSUSE-SU-2021:1416-1)	Nessus	SuSE Local Security Checks	2021/11/1	2021/11/1	medium

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