CVE-2021-43018 json
Adobe Photoshop JPEG2000 Parsing Out-Of-Bounds Write Remote Code Execution Vulnerability
published 2023-09-07 3 y ago modified 2026-06-17 4 mo ago also EUVD-2021-29972
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 31%
- public exploits
- 0
- none known
Summary
Adobe Photoshop versions 23.0.2 and 22.5.4 (and earlier) are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious JPG file.
Patch / fix
- adobe photoshop 22.5.4, 23.0.2
Exploit prediction
0.38% chance of exploitation in the next 30 days, higher than 31% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 7.8 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Affected products
- Adobe Photoshop Desktop
Classification
- Weakness
-
- CWE-787 Out-of-bounds Write
References
-
helpx.adobe.com
/security/products/photoshop/apsb21-113.html
vendor-advisory
Sources
- CVE List CVE-2021-43018
- NVD CVE-2021-43018
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.