QID 356404

Date Published: 2023-10-19

QID 356404: Amazon Linux Security Advisory for nasm : ALAS2-2023-2277

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)



Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

  • CVSS V3 rated as Medium - 5.5 severity.
  • CVSS V2 rated as Medium - 5.4 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2023-2277 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 356404

    CVE-2020-21528 | CVE-2022-46457 | CVE-2020-18780 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2023-2277 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2023-2277.html
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