Out-of-Bounds Read Vulnerability in 92181 Markdown by 92181
CVE-2026-86303

6.9MEDIUM

Key Information:

Vendor

92181

Status
Markdown
Vendor
CVE Published:
7 September 2026

What is CVE-2026-86303?

A vulnerability has been identified in the 92181 Markdown product, specifically within the 'lds' function in the md.c file. This flaw can be exploited to perform an out-of-bounds read, potentially allowing attackers to gain unauthorized access to sensitive information. The vulnerability can be triggered remotely, thereby posing a significant risk to users. A patch is available, labeled c000d2f9cf390c315378d3717cf20911cf3e80a6, and it is highly recommended that users apply this update to maintain the security and integrity of their systems.

Affected Version(s)

markdown 058cab0cb7fb245a0ccc6b8446963ff8d573558f

References

https://vuldb.com/vuln/399467
vdb-entrytechnical-description
https://vuldb.com/vuln/399467/cti
signaturepermissions-required
https://vuldb.com/cve/CVE-2026-86303
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

lrrh (VulDB User)
.