CVE-2017-5628
The MakeDay function in jsdate.c does not validate the month, leading to an integer overflow when parsing a specially crafted JS file.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.03%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in Artifex Software, Inc. MuJS before 8f62ea10a0af68e56d5c00720523ebcba13c2e6a. The MakeDay function in jsdate.c does not validate the month, leading to an integer overflow when parsing a specially crafted JS file.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.03% probability · 64th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-190
- Affected
- artifex/mujs
- Source
- cve@mitre.org
EPSS 1.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://git.ghostscript.com/?p=mujs.git%3Bh=8f62ea10a0af68e56d5c00720523ebcba13c2e6a
- http://www.securityfocus.com/bid/95855Third Party Advisory, VDB Entry
- https://bugs.ghostscript.com/show_bug.cgi?id=697496Issue Tracking
- http://git.ghostscript.com/?p=mujs.git%3Bh=8f62ea10a0af68e56d5c00720523ebcba13c2e6a
- http://www.securityfocus.com/bid/95855Third Party Advisory, VDB Entry
- https://bugs.ghostscript.com/show_bug.cgi?id=697496Issue Tracking
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.