What is CVE-2021-43753?

CVE-2021-43753 is a high-severity vulnerability in Adobe Lightroom, classified under Use After Free. CVSS score: 7.8/10. Published 2023-09-07.

How severe is CVE-2021-43753?

High severity. CVSS v3 base score is 7.8 out of 10.

Use After Free in Adobe Lightroom

CVE-2021-43753

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 vict…

Vulnerability class: Use-After-Free

EPSS: 0.004 (32.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Adobe Lightroom
Adobe Lightroom Desktop — versions 0
Microsoft Windows

Weakness classification (CWE)

CWE-416 — Use After Free

References

psirt@adobe.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2021-43753?: CVE-2021-43753 is a high-severity vulnerability in Adobe Lightroom, classified under Use After Free. CVSS score: 7.8/10. Published 2023-09-07.
How severe is CVE-2021-43753?: High severity. CVSS v3 base score is 7.8 out of 10.