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CVE-2017-5357

26
FAUCET Score

CVE-2017-5357 is an invalid free vulnerability in regex.c of GNU ed before version 1.14.1, allowing attackers to cause a denial of service (crash) via a malformed command. This vulnerability affects fedoraproject ed, fedoraproject fedora, and gnu ed. It carries a CVSSv3 score of 7.5 (High), indicating a network-exploitable vulnerability with low attack complexity and high impact on availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
25CPE matchmatch criteria
cpe:2.3:o:fedoraproject:fedora:25:*:*:*:*:*:*:*
<= 1.14CPE matchmatch criteria
cpe:2.3:a:gnu:ed:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
3.04%
Probability of exploitation in next 30 days
EPSS Percentile
86.1%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0304 is in the 75th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Vendor Patches (3)

redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: ed
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: ed
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: ed

Vendor Advisories (1)

redhatCVE-2017-5357Low

ed: Invalid free in regex.c

Jan 12, 2017

References

lists.fedoraproject.org / archives/list/package-announce%40lists.fedoraproject.org/message/ZVH54XNZ77ICNBJTPI2DLJYQTA3SYSFC
lists.gnu.org / archive/html/bug-ed/2017-01/msg00000.html
Vendor Advisory
openwall.com / lists/oss-security/2017/01/12/5
Mailing ListPatchThird Party Advisory
openwall.com / lists/oss-security/2017/01/12/6
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2017/01/12/7
Mailing ListThird Party Advisory
openwall.com / lists/oss-security/2017/01/13/3
Mailing ListThird Party Advisory
securityfocus.com / bid/95422
Third Party AdvisoryVDB Entry