CVE-2021-45005
published 2022-02-14CVE-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.
PriorityP343critical9.8CVSS 3.1
AVNACLPRNUINSUCHIHAH
EPSS
1.46%
70.5th percentile
Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements.
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| artifex | mujs | — | — |
| artifex | mujs | >= 0 < 1.1.0-1+deb11u1 | 1.1.0-1+deb11u1 |
| artifex | mujs | >= 0 < 1.1.3-4 | 1.1.3-4 |
| artifex | mujs | >= 0 < 1.1.3-4 | 1.1.3-4 |
| artifex | mujs | >= 0 < 1.1.3-4 | 1.1.3-4 |
| artifex | mujs | >= 0 < 1.1.3-3ubuntu0.1~esm1 | 1.1.3-3ubuntu0.1~esm1 |
| debian | mujs | < mujs 1.1.3-4 (bookworm) | mujs 1.1.3-4 (bookworm) |
CVSS provenance
nvdv3.19.8CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
nvdv2.07.5HIGHAV:N/AC:L/Au:N/C:P/I:P/A:P
osv9.8CRITICAL
vendor_debian9.8CRITICAL
vendor_ubuntu9.8CRITICAL
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Ubuntu
MuJS vulnerabilities
vendor_ubuntu·2025-06-18·CVSS 9.8
CVE-2022-30975 [CRITICAL] MuJS vulnerabilities
Title: MuJS vulnerabilities
Summary: Several security issues were fixed in MuJS.
It was discovered that MuJS did not correctly handle try/finally
statements, which could lead to a buffer overflow. An attacker could
possibly use this issue to cause a denial of service or execute
arbitrary code. (CVE-2021-45005)
Han Zheng discovered that MuJS did not correctly handle recursion, which
could lead to stack exhaustion. An attacker could possibly use this
issue to cause a denial of service. (CVE-2022-30974)
Han Zheng discovered that MuJS did not correctly handle certain memory
operations. An attacker could possibly use this issue to cause a denial
of service. (CVE-2022-30975)
Instructions: In general, a standard system update will make all the necessary changes.
Debian
CVE-2021-45005: mujs - Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is ca...
vendor_debian·2021·CVSS 9.8
CVE-2021-45005 [CRITICAL] CVE-2021-45005: mujs - Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is ca...
Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements.
Scope: local
bookworm: resolved (fixed in 1.1.3-4)
bullseye: resolved (fixed in 1.1.0-1+deb11u1)
forky: resolved (fixed in 1.1.3-4)
sid: resolved (fixed in 1.1.3-4)
trixie: resolved (fixed in 1.1.3-4)
OSV
mujs vulnerabilities
osv·2025-06-18·CVSS 9.8
CVE-2021-45005 [CRITICAL] mujs vulnerabilities
mujs vulnerabilities
It was discovered that MuJS did not correctly handle try/finally
statements, which could lead to a buffer overflow. An attacker could
possibly use this issue to cause a denial of service or execute
arbitrary code. (CVE-2021-45005)
Han Zheng discovered that MuJS did not correctly handle recursion, which
could lead to stack exhaustion. An attacker could possibly use this
issue to cause a denial of service. (CVE-2022-30974)
Han Zheng discovered that MuJS did not correctly handle certain memory
operations. An attacker could possibly use this issue to cause a denial
of service. (CVE-2022-30975)
GHSA
GHSA-4ch9-x597-xpg3: Artifex MuJS v1
ghsa_unreviewed·2022-02-15
CVE-2021-45005 [CRITICAL] CWE-787 GHSA-4ch9-x597-xpg3: Artifex MuJS v1
Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements.
OSV
CVE-2021-45005: Artifex MuJS v1
osv·2022-02-14·CVSS 9.8
CVE-2021-45005 [CRITICAL] CVE-2021-45005: Artifex MuJS v1
Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements.
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2022-02-14
Published