PT-2020-16226 · Peg · Peg-Markdown

Fcambus · Published 2020-09-23 · Updated 2024-08-04 · CVE-2020-25821

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Name of the Vulnerable Software and Affected Versions peg-markdown version 0.4.14

Description The issue is related to a NULL pointer dereference in the process raw blocks function located in markdown lib.c. This problem only affects products that are no longer supported by the maintainer.

Recommendations For peg-markdown version 0.4.14, consider restricting access to the process raw blocks function in markdown lib.c as a temporary workaround until a more permanent solution can be applied. However, since the products are no longer supported by the maintainer, at the moment, there is no information about a newer version that contains a fix for this issue.

Exploit

Fix

NULL Pointer Dereference

Weakness Enumeration

CWE-476

Related Identifiers

CVE-2020-25821

Affected Products

Peg-Markdown

References · 4

• 🔥 https://github.com/jgm/peg-markdown/issues/43 · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2020-25821 · Security Note
• https://osv.dev/vulnerability/CVE-2020-25821 · Vendor Advisory
• https://t.me/cvenotify/89021 · Telegram Post