CVE-2022-30975
published 2022-05-18CVE-2022-30975: In Artifex MuJS through 1.2.0, jsP_dumpsyntax in jsdump.c has a NULL pointer dereference, as demonstrated by mujs-pp.
PriorityP416medium5.5CVSS 3.1
AVLACLPRNUIRSUCNINAH
EPSS
1.09%
61.8th percentile
In Artifex MuJS through 1.2.0, jsP_dumpsyntax in jsdump.c has a NULL pointer dereference, as demonstrated by mujs-pp.
Affected
9 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| artifex | mujs | <= 1.2.0 | — |
| artifex | mujs | >= 0 < 1.1.0-1+deb11u2 | 1.1.0-1+deb11u2 |
| artifex | mujs | >= 0 < 1.2.0-3 | 1.2.0-3 |
| artifex | mujs | >= 0 < 1.2.0-3 | 1.2.0-3 |
| artifex | mujs | >= 0 < 1.2.0-3 | 1.2.0-3 |
| artifex | mujs | >= 0 < 1.1.3-3ubuntu0.1~esm1 | 1.1.3-3ubuntu0.1~esm1 |
| debian | debian_linux | — | — |
| debian | mujs | < mujs 1.2.0-3 (bookworm) | mujs 1.2.0-3 (bookworm) |
| fedoraproject | fedora | — | — |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
nvdv2.04.3MEDIUMAV:N/AC:M/Au:N/C:N/I:N/A:P
osv9.8CRITICAL
vendor_ubuntu9.8CRITICAL
vendor_debian5.5MEDIUM
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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-cwrv-3m9h-vr76: In Artifex MuJS through 1
ghsa_unreviewed·2022-05-19
CVE-2022-30975 [MEDIUM] CWE-476 GHSA-cwrv-3m9h-vr76: In Artifex MuJS through 1
In Artifex MuJS through 1.2.0, jsP_dumpsyntax in jsdump.c has a NULL pointer dereference, as demonstrated by mujs-pp.
OSV
CVE-2022-30975: In Artifex MuJS through 1
osv·2022-05-18·CVSS 5.5
CVE-2022-30975 [MEDIUM] CVE-2022-30975: In Artifex MuJS through 1
In Artifex MuJS through 1.2.0, jsP_dumpsyntax in jsdump.c has a NULL pointer dereference, as demonstrated by mujs-pp.
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-2022-30975: mujs - In Artifex MuJS through 1.2.0, jsP_dumpsyntax in jsdump.c has a NULL pointer der...
vendor_debian·2022·CVSS 5.5
CVE-2022-30975 [MEDIUM] CVE-2022-30975: mujs - In Artifex MuJS through 1.2.0, jsP_dumpsyntax in jsdump.c has a NULL pointer der...
In Artifex MuJS through 1.2.0, jsP_dumpsyntax in jsdump.c has a NULL pointer dereference, as demonstrated by mujs-pp.
Scope: local
bookworm: resolved (fixed in 1.2.0-3)
bullseye: resolved (fixed in 1.1.0-1+deb11u2)
forky: resolved (fixed in 1.2.0-3)
sid: resolved (fixed in 1.2.0-3)
trixie: resolved (fixed in 1.2.0-3)
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
https://github.com/ccxvii/mujs/issues/161https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MC6PLHTXHZ7GW7QQGTLBHLXL47UHTHXO/https://www.debian.org/security/2022/dsa-5291https://github.com/ccxvii/mujs/issues/161https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MC6PLHTXHZ7GW7QQGTLBHLXL47UHTHXO/https://www.debian.org/security/2022/dsa-5291
2022-05-18
Published