QID 354440

Date Published: 2022-12-21

QID 354440: Amazon Linux Security Advisory for pcre2 : ALAS2022-2022-071

An out-of-bounds read vulnerability was discovered in the pcre2 library in the compile_xclass_matchingpath() function of the pcre2_jit_compile.c file.
This involves a unicode property matching issue in jit-compiled regular expressions.
The issue occurs because the character was not fully read in case-less matching within jit. (
( CVE-2022-1586) an out-of-bounds read vulnerability was discovered in the pcre2 library in the get_recurse_data_length() function of the pcre2_jit_compile.c file.
This issue affects recursions in jit-compiled regular expressions caused by duplicate data transfers. (
( CVE-2022-1587)



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 - 9.1 severity.
  • CVSS V2 rated as High - 6.4 severity.
    • Solution
    Please refer to Amazon advisory: ALAS2022-2022-071 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 354440

    CVE-2022-1586 | CVE-2022-1587 |
    Software Advisories
    Advisory ID Software Component Link
    ALAS2022-2022-071 amazon linux 2022 URL Logo alas.aws.amazon.com/AL2022/ALAS-2022-071.html
    By selecting these links, you may be leaving CVEreport webspace. We have provided these links to other websites because they may have information that would be of interest to you. No inferences should be drawn on account of other sites being referenced, or not, from this page. There may be other websites that are more appropriate for your purpose. CVEreport does not necessarily endorse the views expressed, or concur with the facts presented on these sites. Further, CVEreport does not endorse any commercial products that may be mentioned on these sites. Please address comments about any linked pages to [email protected].