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Ubuntu: (Multiple Advisories) (CVE-2021-45960): Expat vulnerabilities

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Ubuntu: (Multiple Advisories) (CVE-2021-45960): Expat vulnerabilities

Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
01/01/2022
Created
03/16/2022
Added
02/22/2022
Modified
11/15/2024

Description

In Expat (aka libexpat) before 2.4.3, a left shift by 29 (or more) places in the storeAtts function in xmlparse.c can lead to realloc misbehavior (e.g., allocating too few bytes, or only freeing memory).

Solution(s)

  • ubuntu-pro-upgrade-lib64expat1
  • ubuntu-pro-upgrade-libexpat1

References

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