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Vulnerability details: VCID-y767-jx67-wyh8
Vulnerability ID VCID-y767-jx67-wyh8
Aliases CVE-2019-6488
Summary The string component in the GNU C Library (aka glibc or libc6) through 2.28, when running on the x32 architecture, incorrectly attempts to use a 64-bit register for size_t in assembly codes, which can lead to a segmentation fault or possibly unspecified other impact, as demonstrated by a crash in __memmove_avx_unaligned_erms in sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S during a memcpy.
Status Published
Exploitability 0.5
Weighted Severity 7.0
Risk 3.5
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-404 Improper Resource Shutdown or Release
CWE-843 Access of Resource Using Incompatible Type ('Type Confusion')
System Score Found at
cvssv3 5.5 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-6488.json
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00099 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
epss 0.00163 https://api.first.org/data/v1/epss?cve=CVE-2019-6488
cvssv2 4.6 https://nvd.nist.gov/vuln/detail/CVE-2019-6488
cvssv3 7.8 https://nvd.nist.gov/vuln/detail/CVE-2019-6488
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-6488.json
https://api.first.org/data/v1/epss?cve=CVE-2019-6488
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-6488
https://security.gentoo.org/glsa/202006-04
https://sourceware.org/bugzilla/show_bug.cgi?id=24097
http://www.securityfocus.com/bid/106671
1667931 https://bugzilla.redhat.com/show_bug.cgi?id=1667931
cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:gnu:glibc:*:*:*:*:*:*:*:*
CVE-2019-6488 https://nvd.nist.gov/vuln/detail/CVE-2019-6488
No exploits are available.
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-6488.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:L/AC:L/Au:N/C:P/I:P/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-6488
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2019-6488
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.28395
EPSS Score 0.00099
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T10:00:45.017208+00:00 NVD Importer Import https://nvd.nist.gov/vuln/detail/CVE-2019-6488 37.0.0