What’s Vulnerable › Vulnerabilities

CVE-2026-86303: 92181 markdown md.c lds out-of-bounds

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-07 · updated 2026-09-08
• Weakness: CWE-119

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.

Affected products

• 92181 markdown: 058cab0cb7fb245a0ccc6b8446963ff8d573558f

References

• https://github.com/92181/markdown/
• https://github.com/92181/markdown/commit/c000d2f9cf390c315378d3717cf20911cf3e80a6
• https://github.com/92181/markdown/issues/1
• https://github.com/92181/markdown/pull/2
• https://vuldb.com/cve/CVE-2026-86303
• https://vuldb.com/submit/907499
• https://vuldb.com/vuln/399467
• https://vuldb.com/vuln/399467/cti
• https://github.com/92181/markdown/issues/1

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