PT-2025-42892 · Dcmtk+1 · Dcmtk+1

Zh_Vul · Published 2025-10-21 · Updated 2025-11-03 · CVE-2020-36855

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions DCMTK versions up to 3.6.5

Description A security issue exists in DCMTK related to the parseQuota function within the dcmqrscp component. Manipulation of the StorageQuota argument can lead to a stack-based buffer overflow. Local access is required for exploitation, and the exploit has been publicly disclosed.

Recommendations Upgrade to version 3.6.6 or later to address this issue.

Exploit

Fix

Buffer Overflow

Stack Overflow

Weakness Enumeration

CWE-119

CWE-121

Related Identifiers

BDU:2025-16069

CVE-2020-36855

DLA-4363-1

Affected Products

Dcmtk

Debian

References · 20

• 🔥 https://shimo.im/docs/rp3OMVMDPKtjn0km/read · Exploit
• 🔥 https://shimo.im/docs/rp3OMVMDPKtjn0km · Exploit
• https://cve.org/CVERecord?id=CVE-2020-36855 · Security Note
• https://osv.dev/vulnerability/DEBIAN-CVE-2020-36855 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-16069 · Security Note
• https://ubuntu.com/security/CVE-2020-36855 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-36855 · Security Note
• https://osv.dev/vulnerability/CVE-2020-36855 · Vendor Advisory
• https://osv.dev/vulnerability/DLA-4363-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-36855 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2020-36855 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2025-1216SE47 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2025-1202SE17 · Vendor Advisory
• https://github.com/DCMTK/dcmtk/commit/0fef9f02e7c3976c36826b272ed4929f3977c3db · Note
• https://vuldb.com/?submit.673137 · Note