{"id":"CVE-2019-6488","aliases":["DEBIAN-CVE-2019-6488","EUVD-2019-16048","GHSA-7x9c-h7v7-85mv","UBUNTU-CVE-2019-6488"],"status":"published","title":"The string component in the GNU C Library (aka glibc or libc6) through 2.28, when running on the...","description":"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.","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00448,"percentile":0.39208,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-404"],"published":"2019-01-18T19:00:00Z","modified":"2026-10-24T10:30:24Z","fixes":[{"ecosystem":"Debian:12","package":"glibc","fixed_in":["2.28-6"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"glibc","fixed_in":["2.28-6"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"glibc","fixed_in":["2.28-6"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.28-6"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.28-6"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.28-6"}]}]},{"source":"osv","ecosystem":"Ubuntu:Pro:14.04:LTS","package":"eglibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.17-93ubuntu4","2.18-0ubuntu1","2.18-0ubuntu2","2.18-0ubuntu4","2.18-0ubuntu5","2.18-0ubuntu6","2.18-0ubuntu7","2.19-0ubuntu2","2.19-0ubuntu3","2.19-0ubuntu4","2.19-0ubuntu5","2.19-0ubuntu6","2.19-0ubuntu6.1","2.19-0ubuntu6.3","2.19-0ubuntu6.4","2.19-0ubuntu6.5","2.19-0ubuntu6.6","2.19-0ubuntu6.7","2.19-0ubuntu6.8","2.19-0ubuntu6.9","2.19-0ubuntu6.10","2.19-0ubuntu6.11","2.19-0ubuntu6.13","2.19-0ubuntu6.14","2.19-0ubuntu6.15","2.19-0ubuntu6.15+esm1","2.19-0ubuntu6.15+esm2","2.19-0ubuntu6.15+esm3","2.19-0ubuntu6.15+esm4"]},{"source":"osv","ecosystem":"Ubuntu:Pro:16.04:LTS","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.21-0ubuntu4","2.21-0ubuntu5","2.21-0ubuntu6","2.23-0ubuntu1","2.23-0ubuntu2","2.23-0ubuntu3","2.23-0ubuntu4","2.23-0ubuntu5","2.23-0ubuntu6","2.23-0ubuntu7","2.23-0ubuntu9","2.23-0ubuntu10","2.23-0ubuntu11","2.23-0ubuntu11.2","2.23-0ubuntu11.3","2.23-0ubuntu11.3+esm1","2.23-0ubuntu11.3+esm2","2.23-0ubuntu11.3+esm3","2.23-0ubuntu11.3+esm5","2.23-0ubuntu11.3+esm6","2.23-0ubuntu11.3+esm7","2.23-0ubuntu11.3+esm8","2.23-0ubuntu11.3+esm9"]},{"source":"osv","ecosystem":"Ubuntu:Pro:18.04:LTS","package":"glibc","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.26-0ubuntu2","2.26-0ubuntu2.1","2.27-0ubuntu2","2.27-0ubuntu3","2.27-3ubuntu1","2.27-3ubuntu1.2","2.27-3ubuntu1.3","2.27-3ubuntu1.4","2.27-3ubuntu1.5","2.27-3ubuntu1.6","2.27-3ubuntu1.6+esm1","2.27-3ubuntu1.6+esm2","2.27-3ubuntu1.6+esm3","2.27-3ubuntu1.6+esm4","2.27-3ubuntu1.6+esm5","2.27-3ubuntu1.6+esm6"]}],"products":[{"vendor":"gnu","product":"glibc"},{"vendor":"siemens","product":"simatic s7-1500 cpu 1518-4 pn/dp mfp"},{"vendor":"siemens","product":"simatic s7-1500 cpu 1518f-4 pn/dp mfp"},{"vendor":"siemens","product":"siplus s7-1500 cpu 1518-4 pn/dp mfp"}],"references":[{"url":"http://www.securityfocus.com/bid/106671","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","advisory"]},{"url":"https://sourceware.org/bugzilla/show_bug.cgi?id=24097","tags":["x_refsource_MISC","x_transferred","Issue Tracking","Third Party Advisory","report"]},{"url":"https://security.gentoo.org/glsa/202006-04","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","advisory"]},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-398330.html","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2019-6488"},{"url":"https://github.com/advisories/GHSA-7x9c-h7v7-85mv"},{"url":"https://security-tracker.debian.org/tracker/CVE-2019-6488","tags":["advisory"]},{"url":"https://ubuntu.com/security/CVE-2019-6488","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2019-6488","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2019-6488","description":"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","published":"2019-01-18T19:00:00Z","modified":"2026-10-14T06:49:33.78Z","updated_at":"2026-11-02T14:20:23.381621Z"}],"euvd":[{"id":"EUVD-2019-16048","description":"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","published":"2019-01-18T19:00:00Z","modified":"2026-10-14T06:49:33Z","updated_at":"2026-11-02T17:27:17.374818Z"}],"ghsa":[{"id":"GHSA-7x9c-h7v7-85mv","title":"The string component in the GNU C Library (aka glibc or libc6) through 2.28, when running on the...","description":"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","published":"2022-05-13T01:25:48Z","modified":"2026-10-14T09:32:18Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T15:13:23.530725Z"}],"nvd":[{"id":"CVE-2019-6488","description":"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","published":"2019-01-18T19:29:00.2Z","modified":"2026-10-14T07:16:56.453Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":4.6,"vector":"AV:L/AC:L/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-404"],"updated_at":"2026-11-02T14:05:02.989216Z"}],"osv":[{"id":"CVE-2019-6488","description":"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","published":"2019-01-18T19:29:00.2Z","modified":"2026-10-24T10:30:24.64118099Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:12.675558Z"},{"id":"DEBIAN-CVE-2019-6488","description":"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","published":"2019-01-18T19:29:00.2Z","modified":"2026-10-15T07:47:28.662625807Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:32.57265Z"},{"id":"UBUNTU-CVE-2019-6488","description":"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","published":"2019-01-18T19:29:00Z","modified":"2026-04-22T12:20:51.000216Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:21.741399Z"}]}}