Buffer overflow in Accusoft Imagegear

CVE-2021-21793

An out-of-bounds write vulnerability exists in the JPG sof_nb_comp header processing functionality of Accusoft ImageGear 19.8 and 19.9. A specially crafted malformed file can lead to memory corruption. An attacker can provide a malicious file to trigger this vulnerability.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.011 (65.3th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.3% 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-2021-21793: held from 0.011 to 0.011.

EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000

Affected products

  • Accusoft Imagegear — versions 19.8, 19.9
  • Accusoft — versions Accusoft ImageGear 19.8 , Accusoft ImageGear 19.9

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-21793?
CVE-2021-21793 is a high-severity vulnerability in Accusoft Imagegear, classified under Incorrect Calculation of Buffer Size. CVSS score: 8.8/10. Published 2021-07-08.
How severe is CVE-2021-21793?
High severity. CVSS v3 base score is 8.8 out of 10.