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.
Published 2023-09-07 13:15:08
Updated 2023-09-14 15:57:17
View at NVD,   CVE.org
Vulnerability category: Memory CorruptionGain privilege

Exploit prediction scoring system (EPSS) score for CVE-2021-43753

2.34%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-43753

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1.8
5.9
NIST
7.8
HIGH CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
1.8
5.9
Adobe Systems Incorporated

CWE ids for CVE-2021-43753

  • Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code.
    Assigned by: psirt@adobe.com (Primary)

References for CVE-2021-43753

Products affected by CVE-2021-43753

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