CVE-2026-86303

92181 markdown md.c lds out-of-bounds

State: Published
Severity: 6.9 Medium
Published: Sep 7, 2026
Updated: Sep 8, 2026
Reserved: Sep 6, 2026

Description

A vulnerability was determined in 92181 markdown up to 058cab0cb7fb245a0ccc6b8446963ff8d573558f. Affected by this issue is the function lds of the file md.c. Executing a manipulation can lead to out-of-bounds read. The attack can be executed remotely. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. This patch is called c000d2f9cf390c315378d3717cf20911cf3e80a6. A patch should be applied to remediate this issue.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X	VulDB
3.1	7.3 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C	VulDB
3.0	7.3 High	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C	VulDB
2.0	7.5 High	AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:OF/RC:C	VulDB

Weaknesses

CWE-125 Out-of-Bounds Read
CWE-119 Memory Corruption

Affected Products

Product	Versions
markdown92181	058cab0cb7fb245a0ccc6b8446963ff8d573558fAffected

References

VDB-399467 | 92181 markdown md.c lds out-of-boundsvdb-entrytechnical-description
VDB-399467 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-86303 | CVE Analysis and Reportthird-party-advisory
Submit #907499 | github markdown commit 0d1eafb484f4766316a5391e162b4c96dc76513f Out-of-Bounds Readthird-party-advisory
https://github.com/92181/markdown/issues/1issue-tracking
https://github.com/92181/markdown/pull/2issue-trackingpatch
https://github.com/92181/markdown/commit/c000d2f9cf390c315378d3717cf20911cf3e80a6patch
https://github.com/92181/markdown/product

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