Critical severity · published Feb 14, 2022
CVE-2021-45005
Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements
9.8
CVSS
1.4%
EPSS
No
On KEV
Description
Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.4% · higher than 73% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MU
Mujs · Artifex
1.1.3 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2021-45005
CVE.org
https://www.cve.org/CVERecord?id=CVE-2021-45005
Permissions Required
https://bugs.ghostscript.com/show_bug.cgi?id=704749
Patch
https://github.com/ccxvii/mujs/commit/df8559e7bdbc6065276e786217eeee70f28fce66
More from Mujs
9.8
CVE-2021-33797
Buffer-overflow in jsdtoa.c in Artifex MuJS in versions 1.0.1 to 1.1.1
9.8
CVE-2019-12798
An issue was discovered in Artifex MuJS 1.0.5
9.8
CVE-2019-11411
An issue was discovered in Artifex MuJS 1.0.5
9.8
CVE-2016-10133
Heap-based buffer overflow in the js_stackoverflow function in jsrun.c in Artifex Software, Inc
9.8
CVE-2016-10141
An integer overflow vulnerability was observed in the regemit function in regexp.c in Artifex Software, Inc