CVE-2020-26148

HIGH
7.5
CVSS Score
Published: September 29, 2020 at 06:48 PM UTC
Updated: June 17, 2026 at 03:07 AM UTC
1 product affected across 1 vendorMD4C

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Severity
HIGH7.5
Exploit prediction
EPSS 1%

Description

md_push_block_bytes in md4c.c in md4c 0.4.5 allows attackers to trigger use of uninitialized memory, and cause a denial of service (e.g., assertion failure) via a malformed Markdown document.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCExploitPatchThird Party Advisory
https://github.com/mity/md4c/issues/130

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-908

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