CVE-2021-39825: 
Adobe Photoshop Elements vulnerability analysis and mitigation

Adobe Photoshop Elements versions 2021 build 19.0 (20210304.m.156367) and earlier were affected by an out-of-bounds write vulnerability identified as CVE-2021-39825. The vulnerability was disclosed on September 27, 2021, and requires user interaction through opening a malicious TTF file to be exploited (NVD).

The vulnerability is classified as an out-of-bounds write (CWE-787) issue. It received a CVSS v3.1 Base Score of 7.8 (HIGH) with the vector string CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H. Under CVSS v2.0, it was assigned a Base Score of 6.8 (MEDIUM) with the vector string (AV:N/AC:M/Au:N/C:P/I:P/A:P) (NVD).

If successfully exploited, this vulnerability could lead to arbitrary code execution in the context of the current user. The vulnerability affects the confidentiality, integrity, and availability of the system with high severity ratings across all three aspects (NVD).

Adobe has released patches to address this vulnerability through their security advisory. Users are advised to update to the latest version of Photoshop Elements as detailed in the Adobe Security Bulletin (Adobe Advisory).