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).
Platform | Package | Release Date | Advisory |
---|---|---|---|
Amazon Linux 1 | expat | 2022-05-31 23:47 | ALAS-2022-1588 |
Amazon Linux 2 - Core | expat | 2022-04-25 22:58 | ALAS2-2022-1788 |
Amazon Linux 2023 | expat | 2023-02-17 20:45 | ALAS2023-2023-058 |
Score Type | Score | Vector | |
---|---|---|---|
Amazon Linux | CVSSv3 | 5.1 | CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |
NVD | CVSSv2 | 9.0 | AV:N/AC:L/Au:S/C:C/I:C/A:C |
NVD | CVSSv3 | 8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |