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。

  - Kerberos 5 (即 krb5) 1.21.2 的 /krb5/src/lib/rpc/pmap_rmt.c 中包含記憶體流失問題。(CVE-2024-26458)

請注意，Nessus 的判定取決於廠商所報告的套件是否存在。

因此，會受到 ALAS2023-2024-586 公告中所提及的多個弱點影響。

  - Kerberos 5 (即 krb5) 1.21.2 的 /krb5/src/lib/rpc/pmap_rmt.c 中包含記憶體流失問題。(CVE-2024-26458)

  - Kerberos 5 (即 krb5) 1.21.2 的 /krb5/src/lib/gssapi/krb5/k5sealv3.c 中包含記憶體流失弱點。
    (CVE-2024-26461)

  - Kerberos 5 (即 krb5) 1.21.2 的 /krb5/src/kdc/ndr.c 中包含記憶體流失弱點。(CVE-2024-26462)

請注意，Nessus 並未測試這些問題，而是僅依據應用程式自我報告的版本號碼作出判斷。

遠端 Oracle Linux 8 主機中安裝的套件受到 ELSA-2024-3268 公告中提及的多個弱點影響。

    [1.18.2-27.0.1]
    - 修正 krb5_set_password() 中的爭用情形 [Orabug: 33609767]

    [1.18.2-27]
    - 修正 GSSAPI 介面中的記憶體洩漏 解決：RHEL-27250
    - 修正 PMAP RPC 介面中的記憶體洩漏 解決：RHEL-27244
    - 使 TCP 等候時間可設定 解決：RHEL-17131

Tenable 已直接從 Oracle Linux 安全公告擷取前置描述區塊。

請注意，Nessus 並未測試這些問題，而是僅依據應用程式自我報告的版本號碼作出判斷。

遠端 Ubuntu 20.04 LTS/22.04 LTS/24.04 LTS/24.10 主機上安裝的套件受到 USN-7314-1 公告中所提及的多個弱點影響。

    據發現，Kerberos 未正確處理某些記憶體作業。遠端攻擊者可能會利用此問題造成 Kerberos 耗用記憶體，進而導致拒絕服務。
    (CVE-2024-26458、CVE-2024-26461)

    據發現，Kerberos 未正確處理某些記憶體作業。遠端攻擊者可能會利用此問題造成 Kerberos 耗用記憶體，進而導致拒絕服務。這個問題只會影響 Ubuntu 24.04 LTS。(CVE-2024-26462)

    據發現，當啟用累加傳播時，Kerberos kadmind 程序未正確處理記錄檔。經驗證的攻擊者可利用此問題造成 kadmind 損毀，進而導致拒絕服務或可能執行任意程式碼。(CVE-2025-24528)

Tenable 已直接從 Ubuntu 安全公告擷取前置描述區塊。

請注意，Nessus 並未測試這些問題，而是僅依據應用程式自我報告的版本號碼作出判斷。

The version of krb5 installed on the remote CBL Mariner 2.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2024-26458 advisory.

  - Kerberos 5 (aka krb5) 1.21.2 contains a memory leak in /krb5/src/lib/rpc/pmap_rmt.c. (CVE-2024-26458)

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

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

  - Kerberos 5 (aka krb5) 1.21.2 contains a memory leak in /krb5/src/lib/rpc/pmap_rmt.c. (CVE-2024-26458)

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

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2024-3268 advisory.

    [1.18.2-27.0.1]
    - Fixed race condition in krb5_set_password() [Orabug: 33609767]

    [1.18.2-27]
    - Fix memory leak in GSSAPI interface       Resolves: RHEL-27250
    - Fix memory leak in PMAP RPC interface       Resolves: RHEL-27244
    - Make TCP waiting time configurable       Resolves: RHEL-17131

Tenable has extracted the preceding description block directly from the Oracle 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.

An update of the krb5 package has been released.

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2024-586 advisory.

    Kerberos 5 (aka krb5) 1.21.2 contains a memory leak in /krb5/src/lib/rpc/pmap_rmt.c. (CVE-2024-26458)

    Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c.
    (CVE-2024-26461)

    Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/kdc/ndr.c. (CVE-2024-26462)

Tenable has extracted the preceding description block directly from the tested product 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 Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-7314-1 advisory.

    It was discovered that Kerberos incorrectly handled certain memory operations. A remote attacker could     possibly use this issue to cause Kerberos to consume memory,leading to a denial of service.
    (CVE-2024-26458, CVE-2024-26461)

    It was discovered that Kerberos incorrectly handled certain memory operations. A remote attacker could     possibly use this issue to cause Kerberos to consume memory,leading to a denial of service. This issue     only affected Ubuntu 24.04 LTS. (CVE-2024-26462)

    It was discovered that the Kerberos kadmind daemon incorrectly handled log files when incremental     propagation was enabled. An authenticated attacker could use this issue to cause kadmind to crash,     resulting in a denial of service, or possibly execute arbitrary code. (CVE-2025-24528)

Tenable has extracted the preceding description block directly from the Ubuntu 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 Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-df2c70dba9 advisory.

    This update fixes multiple CVEs and rebases to the latest upstream version:
    ```
    * Tue Jul 09 2024 Julien Rische <jrische@redhat.com> - 1.21.3-1
    - New upstream version (1.21.3)
    - CVE-2024-26458: Memory leak in src/lib/rpc/pmap_rmt.c       Resolves: rhbz#2266732
    - CVE-2024-26461: Memory leak in src/lib/gssapi/krb5/k5sealv3.c       Resolves: rhbz#2266741
    - CVE-2024-26462: Memory leak in src/kdc/ndr.c       Resolves: rhbz#2266743
    - Add missing SPDX license identifiers       Resolves: rhbz#2265333

    * Mon Jul 08 2024 Julien Rische <jrische@redhat.com> - 1.21.2-6
    - CVE-2024-37370 CVE-2024-37371: GSS message token handling       Resolves: rhbz#2294678 rhbz#2294680
    - Fix double free in klist's show_ccache()       Resolves: rhbz#2257301
    - Do not include files with ~ termination in krb5-tests     ```

Tenable has extracted the preceding description block directly from the Fedora 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 version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2024:0617 advisory.

    Package updates are available for TencentOS Server 4 that fix the following vulnerabilities:

    CVE-2024-26458:
    Kerberos 5 (aka krb5) 1.21.2 contains a memory leak in /krb5/src/lib/rpc/pmap_rmt.c.

    CVE-2024-26461:
    Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/lib/gssapi/krb5/k5sealv3.c.

    CVE-2024-26462:
    Kerberos 5 (aka krb5) 1.21.2 contains a memory leak vulnerability in /krb5/src/kdc/ndr.c.

Tenable has extracted the preceding description block directly from the Tencent 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.

ID	Name	Product	Family	Published	Updated	Severity
256803	Linux Distros 未修補的弱點：CVE-2024-26458	Nessus	Misc.	8/27/2025	9/2/2025	medium
193441	Amazon Linux 2023：krb5-devel、krb5-libs、krb5-pkinit (ALAS2023-2024-586)	Nessus	Amazon Linux Local Security Checks	4/17/2024	2/17/2025	medium
198078	Oracle Linux 8：krb5 (ELSA-2024-3268)	Nessus	Oracle Linux Local Security Checks	5/29/2024	5/26/2025	medium
217107	Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10：Kerberos 弱點 (USN-7314-1)	Nessus	Ubuntu Local Security Checks	3/3/2025	9/3/2025	medium
207020	CBL Mariner 2.0 Security Update: krb5 (CVE-2024-26458)	Nessus	MarinerOS Local Security Checks	9/12/2024	5/26/2025	medium
256803	Linux Distros Unpatched Vulnerability : CVE-2024-26458	Nessus	Misc.	8/27/2025	9/2/2025	medium
198078	Oracle Linux 8 : krb5 (ELSA-2024-3268)	Nessus	Oracle Linux Local Security Checks	5/29/2024	5/26/2025	medium
203590	Photon OS 5.0: Krb5 PHSA-2024-5.0-0284	Nessus	PhotonOS Local Security Checks	7/23/2024	2/17/2025	medium
204481	Photon OS 4.0: Krb5 PHSA-2024-4.0-0624	Nessus	PhotonOS Local Security Checks	7/24/2024	5/26/2025	medium
193441	Amazon Linux 2023 : krb5-devel, krb5-libs, krb5-pkinit (ALAS2023-2024-586)	Nessus	Amazon Linux Local Security Checks	4/17/2024	2/17/2025	medium
217107	Ubuntu 20.04 LTS / 22.04 LTS / 24.04 LTS / 24.10 : Kerberos vulnerabilities (USN-7314-1)	Nessus	Ubuntu Local Security Checks	3/3/2025	9/3/2025	medium
202557	Fedora 39 : krb5 (2024-df2c70dba9)	Nessus	Fedora Local Security Checks	7/17/2024	2/17/2025	critical
276171	TencentOS Server 4: krb5 (TSSA-2024:0617)	Nessus	Tencent Local Security Checks	11/20/2025	11/20/2025	medium

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