According to the versions of the nasm packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - A Segmentation Fault issue discovered in in ieee_segment function in outieee.c in nasm 2.14.03 and 2.15     allows remote attackers to cause a denial of service via crafted assembly file. (CVE-2020-21528)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

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-2024:0040 advisory.

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

    CVE-2020-21528:
    A Segmentation Fault issue discovered in in ieee_segment function in outieee.c in nasm 2.14.03 and 2.15     allows remote attackers to cause a denial of service via crafted assembly file.

    CVE-2022-44370:
    NASM v2.16 was discovered to contain a heap buffer overflow in the component quote_for_pmake()     asm/nasm.c:856

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.

The version of nasm installed on the remote host is prior to 2.15.03-3. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2023-2277 advisory.

    A Use After Free vulnerability in function new_Token in asm/preproc.c in nasm 2.14.02 allows attackers to     cause a denial of service via crafted nasm command. (CVE-2020-18780)

    A Segmentation Fault issue discovered in in ieee_segment function in outieee.c in nasm 2.14.03 and 2.15     allows remote attackers to cause a denial of service via crafted assembly file. (CVE-2020-21528)

    NASM v2.16 was discovered to contain a segmentation violation in the component ieee_write_file at     /output/outieee.c. (CVE-2022-46457)

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.

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2023-354 advisory.

    A Segmentation Fault issue discovered in in ieee_segment function in outieee.c in nasm 2.14.03 and 2.15     allows remote attackers to cause a denial of service via crafted assembly file. (CVE-2020-21528)

Tenable has extracted the preceding description block directly from the tested product 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 Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - A Segmentation Fault issue discovered in in ieee_segment function in outieee.c in nasm 2.14.03 and 2.15     allows remote attackers to cause a denial of service via crafted assembly file. (CVE-2020-21528)

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

The remote host is affected by the vulnerability described in GLSA-202312-09 (NASM: Multiple Vulnerabilities)

  - In Netwide Assembler (NASM) 2.14.02, there is a use-after-free in paste_tokens in asm/preproc.c.
    (CVE-2019-8343)

  - A Segmentation Fault issue discovered in in ieee_segment function in outieee.c in nasm 2.14.03 and 2.15     allows remote attackers to cause a denial of service via crafted assembly file. (CVE-2020-21528)

  - NASM v2.16 was discovered to contain a heap buffer overflow in the component quote_for_pmake()     asm/nasm.c:856 (CVE-2022-44370)

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
188331	EulerOS 2.0 SP11 : nasm (EulerOS-SA-2023-3281)	Nessus	Huawei Local Security Checks	1/16/2024	1/16/2024	medium
239419	TencentOS Server 4: nasm (TSSA-2024:0040)	Nessus	Tencent Local Security Checks	6/16/2025	11/20/2025	high
182636	Amazon Linux 2 : nasm (ALAS-2023-2277)	Nessus	Amazon Linux Local Security Checks	10/5/2023	12/11/2024	medium
181713	Amazon Linux 2023 : nasm, nasm-rdoff (ALAS2023-2023-354)	Nessus	Amazon Linux Local Security Checks	9/20/2023	12/11/2024	medium
188545	EulerOS 2.0 SP11 : nasm (EulerOS-SA-2023-3253)	Nessus	Huawei Local Security Checks	1/16/2024	1/16/2024	medium
223357	Linux Distros Unpatched Vulnerability : CVE-2020-21528	Nessus	Misc.	3/4/2025	9/19/2025	medium
188151	EulerOS 2.0 SP10 : nasm (EulerOS-SA-2023-3223)	Nessus	Huawei Local Security Checks	1/16/2024	1/16/2024	medium
188664	EulerOS 2.0 SP10 : nasm (EulerOS-SA-2023-3188)	Nessus	Huawei Local Security Checks	1/16/2024	1/16/2024	medium
187216	GLSA-202312-09 : NASM: Multiple Vulnerabilities	Nessus	Gentoo Local Security Checks	12/22/2023	12/22/2023	high

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