Buffer overflow in Adobe Svg Native Viewer

CVE-2021-39823

Adobe svg-native-viewer 8182d14dfad5d1e10f53ed830328d7d9a3cfa96d and earlier versions are affected by a heap buffer overflow vulnerability due to insecure handling of a malicious .svg file, potentially resulting in arbitrary code execution in the context of the current user. User interaction is required to exploit this vulnerability.

Vulnerability class: Buffer Overflow

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.042 (90.7th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 91st percentile — 90.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2021-39823: held from 0.042 to 0.042.

EPSS over last 30 days · oldest: 0.042 · newest: 0.042 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-39823?
CVE-2021-39823 is a high-severity vulnerability in Adobe Svg Native Viewer, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2021-09-27.
How severe is CVE-2021-39823?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-39823 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.