CVE-2026-86303

HIGHCVSS 7.3/10

Last modified

CVE-2026-86303 is a high-severity vulnerability rated 7.3/10 on the CVSS scale. A vulnerability was determined in 92181 markdown up to 058cab0cb7fb245a0ccc6b8446963ff8d573558f. Affected by this issue is the function lds of the file md.c.

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.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
92181markdown058cab0cb7fb245a0ccc6b8446963ff8d573558f

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2026-86303?
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.
How severe is CVE-2026-86303?
CVE-2026-86303 has a CVSS score of 7.3/10 (HIGH severity).
How do I fix CVE-2026-86303?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST