92181 markdown up to 058cab0cb7fb245a0ccc6b8446963ff8d573558f md.c lds out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0$0-$5k2.37+

Summaryinfo

A vulnerability was found in 92181 markdown up to 058cab0cb7fb245a0ccc6b8446963ff8d573558f. It has been classified as critical. This affects the function lds of the file md.c. The manipulation leads to out-of-bounds. This vulnerability is uniquely identified as CVE-2026-86303. The attack is possible to be carried out remotely. No exploit exists. This product adopts a rolling release strategy to maintain continuous delivery. Therefore, version details for affected or updated releases cannot be specified. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability, which was classified as critical, has been found in 92181 markdown up to 058cab0cb7fb245a0ccc6b8446963ff8d573558f. This issue affects the function lds of the file md.c. The manipulation with an unknown input leads to a out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. Impacted is confidentiality, integrity, and availability.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-86303. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

Applying the patch c000d2f9cf390c315378d3717cf20911cf3e80a6 is able to eliminate this problem. The bugfix is ready for download at github.com.

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔒

Patch: c000d2f9cf390c315378d3717cf20911cf3e80a6

Timelineinfo

09/06/2026 Advisory disclosed
09/06/2026 +0 days VulDB entry created
09/06/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-86303 (🔒)
GCVE (CVE): GCVE-0-2026-86303
GCVE (VulDB): GCVE-100-399467

Entryinfo

Created: 09/06/2026 18:54
Changes: 09/06/2026 18:54 (57)
Complete: 🔍
Submitter: lrrh
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #907499: github markdown commit 0d1eafb484f4766316a5391e162b4c96dc76513f Out-of-Bounds Read (by lrrh)

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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