CVE-2021-43753 json
Adobe Lightroom TIF File Parsing Use-After-Free Information Disclosure Vulnerability
published 2023-09-07 3 y ago modified 2026-06-17 4 mo ago also EUVD-2021-30660
- cvss
- 7.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 39%
- public exploits
- 0
- none known
Summary
Adobe Lightroom versions 4.4 (and earlier) are affected by a use-after-free vulnerability in the processing of parsing TIF files that could result in privilege escalation. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Patch / fix
- adobe lightroom 5.1
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 20 mo ago
Exploit prediction
0.45% chance of exploitation in the next 30 days, higher than 39% 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 Lightroom Desktop
Classification
- Weakness
-
- CWE-416 Use After Free
References
-
helpx.adobe.com
/security/products/lightroom/apsb21-119.html
vendor-advisory
Sources
- CVE List CVE-2021-43753
- NVD CVE-2021-43753
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.