Is CVE-2017-15670 in the CISA KEV catalog?

No. CVE-2017-15670 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2017-15670?

CVE-2017-15670 has a CVSS v3 base score of 9.8 (CRITICAL).

What is the EPSS score for CVE-2017-15670?

CVE-2017-15670 has an EPSS score of 3.00% (86th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2017-15670?

Upgrade glibc on debian 11 to 2.25-3 or later. Fixes are available for 4 affected products.

CVE & CISA-KEV Catalog

CVE-2017-15670

CRITICALEPSS 86th pctl

9.8

CVSS v3

NVD

Description

The GNU C Library (aka glibc or libc6) before 2.27 contains an off-by-one error leading to a heap-based buffer overflow in the glob function in glob.c, related to the processing of home directories using the ~ operator followed by a long string.

CWE-119Buffer Overflow

How to fix

Remediation Available

glibcDebian

Fixed in:2.25-3CVE-2017-15670

eglibcUbuntu

Fixed in:2.19-0ubuntu6.14USN-3534-1

glibcUbuntu

Fixed in:2.23-0ubuntu10USN-3534-1

libc6Ubuntu

Fixed in:2.19-0ubuntu6.14USN-3534-1

Fixed in:2.23-0ubuntu10USN-3534-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Exploit Intelligence

3.00%probability of exploitation in 30 days

86thpercentile

Elevated risk: more likely to be exploited than 86% of all known CVEs.

References

Patch1

sourceware.org

Other references3

Related Vulnerabilities

Other CWE-119 (Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-4966	Critical	9.4	100%	KEV + Ransom	Fix
CVE-2017-11882	High	7.8	100%	KEV + Ransom	-
CVE-2020-0796	Critical	10.0	100%	KEV + Ransom	-
CVE-2008-4250	Critical	9.8	99%	KEV	-
CVE-2017-15944	Critical	9.8	98%	KEV	Fix
CVE-2015-0014	High	10.0	97%	-	-

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.