QID 354771

Date Published: 2023-02-28

QID 354771: Amazon Linux Security Advisory for nss-util : ALAS2-2023-1942

Empty or malformed p256-ecdh public keys may trigger a segmentation fault due values being improperly sanitized before being copied into memory and used.
This vulnerability affects firefox esr < 60.8, firefox < 68, and thunderbird < 60.8. (
( CVE-2019-11729) a heap-based buffer overflow was found in the nsc_encryptupdate() function in mozilla nss.
A remote attacker could trigger this flaw via srtp encrypt or decrypt operations, to execute arbitrary code with the permissions of the user running the application (compiled with nss).
While the attack complexity is high, the impact to confidentiality, integrity, and availability are high as well. (
( CVE-2019-11745)



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 Critical - 8.8 severity.
  • CVSS V2 rated as High - 6.8 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2-2023-1942 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 354771

    CVE-2019-11745 | CVE-2019-11729 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2-2023-1942 amazon linux 2 URL Logo alas.aws.amazon.com/AL2/ALAS-2023-1942.html
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