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Vulnerability record · CVE-2017-1000383 · published 31 October 2017

CVE-2017-1000383: Gnu emacs information exposure vulnerability

Gnu · Emacs

GNU Emacs version 25.3.1 (and other versions most likely) ignores umask when creating a backup save file ("[ORIGINAL_FILENAME]~") resulting in files that may be world readable or otherwise accessible in ways not intended by the user running the emacs binary.

5.5 CVSS 3.0 Medium EPSS 0.42% · top 66.1% CWE-200 · Information exposure
5.5CVSS 3.0 base score, v2 2.1
0.42%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

GNU Emacs version 25.3.1 (and other versions most likely) ignores umask when creating a backup save file ("[ORIGINAL_FILENAME]~") resulting in files that may be world readable or otherwise accessible in ways not intended by the user running the emacs binary.

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.openwall.com/lists/oss-security/2017/10/31/1 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/101671 Third Party AdvisoryVDB Entry
http://www.openwall.com/lists/oss-security/2017/10/31/1 Mailing ListThird Party Advisory
http://www.securityfocus.com/bid/101671 Third Party AdvisoryVDB Entry

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2017-1000383), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.