PT-2023-12222 · Mujs+1 · Mujs+1

Connor Nelson · Published 2023-07-07 · Updated 2023-07-13 · CVE-2021-33796

Positive Technologies (AI Summary)

CVSS v3.1

10

Critical

Base vector

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

Name of the Vulnerable Software and Affected Versions MuJS versions prior to 1.1.2

Description A use-after-free flaw in the regexp source property access may cause denial of service.

Recommendations For MuJS versions prior to 1.1.2, update to version 1.1.2 or later to resolve the issue.

Fix

DoS

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

CVE-2021-33796

Affected Products

Debian

Mujs

References · 12

• https://github.com/ccxvii/mujs/commit/7ef066a3bb95bf83e7c5be50d859e62e58fe8515 · Patch
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33796 · Security Note
• https://security-tracker.debian.org/tracker/CVE-2021-33796 · Vendor Advisory
• https://security-tracker.debian.org/tracker/source-package/mujs · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-33796 · Security Note
• https://ubuntu.com/security/CVE-2021-33796 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2021-33796 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2021-33796 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2021-33796 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2021-33796 · Security Note
• https://t.me/cibsecurity/66221 · Telegram Post
• https://packages.debian.org/src:mujs · Note