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CVE-2021-33797

Date: April 16, 2023

Buffer-overflow in jsdtoa.c in Artifex MuJS in versions 1.0.1 to 1.1.1. An integer overflow happens when js_strtod() reads in floating point exponent, which leads to a buffer overflow in the pointer *d.

Language: C

Severity Score

Related Resources (5)

https://github.com/ccxvii/mujs/issues/148
https://github.com/ccxvii/mujs/commit/833b6f1672b4f2991a63c4d05318f0b84ef4d550
https://security-tracker.debian.org/tracker/CVE-2021-33797
https://nvd.nist.gov/vuln/detail/CVE-2021-33797
https://www.mend.io/vulnerability-database/CVE-2021-33797

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Integer Overflow or Wraparound

CWE-190

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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