QID 355558

Date Published: 2023-07-05

QID 355558: Amazon Linux Security Advisory for squid : ALAS-2023-1774

An issue was discovered in squid before 4.9.
Urn response handling in squid suffers from a heap-based buffer overflow.
When receiving data from a remote server in response to an urn request, squid fails to ensure that the response can fit within the buffer.
This leads to attacker controlled data overflowing in the heap. (
( CVE-2019-12526)



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 - 9.8 severity.
  • CVSS V2 rated as High - 7.5 severity.
    • Solution
    Please refer to Amazon advisory: ALAS-2023-1774 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 355558

    CVE-2019-12526 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS-2023-1774 amazon linux URL Logo alas.aws.amazon.com/ALAS-2023-1774.html
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