CVE-2026-4833

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

• ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
• AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
• Technical ImpactpartialSuccessful exploitation gives limited control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 1.9% of scored records. A rank, not a probability.

NVD base score

1.9 (CVSS v4.0), scored by the NVD independently of the CNA.

NVD CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

NVD analysis status

Deferred. NVD last modified this record on 2026-06-17.

Red Hat severity

No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

Published

2026-03-26 01:02Z7 MO AGO

Last updated

2026-03-30 14:56Z7 MO AGO

Reserved

2026-03-25

Assigning CNA

VulDB

Record state

PUBLISHED

Severity

Medium (CVSS 4.8)

CNA CVSS vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Weaknesses

• CWE-404Improper Resource Shutdown or ReleaseClass
• CWE-674Uncontrolled RecursionClass

Data version

5.2

Document digest

4867786e52bd45a79d4253740505c1ac324a82025d1f85a5160a8a9db6f04a91

• vuldb.comVDB-353138 | Orc discount Markdown markdown.c compile recursionhttps://vuldb.com/?id.353138vdb-entrytechnical-description
• vuldb.comVDB-353138 | CTI Indicators (IOB, IOC, IOA)https://vuldb.com/?ctiid.353138signaturepermissions-required
• vuldb.comSubmit #775841 | Orc discount 3.0.1.2 Memory Corruptionhttps://vuldb.com/?submit.775841third-party-advisory
• github.comhttps://github.com/Orc/discount/issues/305issue-tracking
• github.comhttps://github.com/Orc/discount/issues/305#issuecomment-4027546673issue-tracking
• github.comhttps://github.com/user-attachments/files/25847391/crash00.mdexploit
• github.comhttps://github.com/Orc/discount/product