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Fencer Intel
high 7.5

CVE-2017-5357 json

regex.c in GNU ed before 1.14.1 allows attackers to cause a denial of service (crash) via a malformed command, which triggers an invalid fr…

published 2017-02-16 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-14461

cvss
7.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
3.1%
EPSS 3.1% chance of exploitation in 30 days, percentile 87%
public exploits
0
none known

Summary

regex.c in GNU ed before 1.14.1 allows attackers to cause a denial of service (crash) via a malformed command, which triggers an invalid free.

Patch / fix

  • ed SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES 12 SP5 +1 more 1.9-4.4.5
  • ed SLES for SAP 11 SP4, SLES 11 SP4 0.2-1001.30.3.4

suse advisories SUSE-SU-2020:1608-1SUSE-SU-2019:14005-1

  • ed Arch Linux 1.14.1-1

arch linux advisories AVG-145

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2017-5357 updated cvss 3.3

ed: Invalid free in regex.c

  • Red Hat Enterprise Linux 5 ed Red Hat Enterprise Linux 6 ed Red Hat Enterprise Linux 7 ed
    affected: no fix planned “Will not fix”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.07% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 3.0 7.5 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.