CVE-2018-11237

Published: 18 May 2018

An AVX-512-optimized implementation of the mempcpy function in the GNU C Library (aka glibc or libc6) 2.27 and earlier may write data beyond the target buffer, leading to a buffer overflow in __mempcpy_avx512_no_vzeroupper.

Priority

CVSS 3 base score: 7.8

Status

Package	Release	Status
eglibc Launchpad, Ubuntu, Debian	Upstream	Needs triage



	Ubuntu 20.04 LTS (Focal Fossa)	Does not exist
	Ubuntu 18.04 LTS (Bionic Beaver)	Does not exist
	Ubuntu 16.04 ESM (Xenial Xerus)	Does not exist
	Ubuntu 14.04 ESM (Trusty Tahr)	Not vulnerable
glibc Launchpad, Ubuntu, Debian	Upstream	Released (2.28)



	Ubuntu 20.04 LTS (Focal Fossa)	Not vulnerable (2.28-0ubuntu1)
	Ubuntu 18.04 LTS (Bionic Beaver)	Released (2.27-3ubuntu1.2)
	Ubuntu 16.04 ESM (Xenial Xerus)	Released (2.23-0ubuntu11.2)
	Ubuntu 14.04 ESM (Trusty Tahr)	Does not exist
	Patches: Upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=9aaaab7c6e4176e61c59b0a63c6ba906d875dc0e (master) Upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=ed983107bbc62245b06b99f02e69acf36a0baa3e (master) Upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=0cf8a53e5f2ce7f71787537cf206228727afe256 (2.27) Upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f51c8367685dc888a02f7304c729ed5277904aff (2.27) Upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=58ad5f8a646338b2ee3f2136336dcf731e97ab4d (2.26) Upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=6b4362f2cbb6ef6e265d9f216f3c13d84405a1c0 (2.26) Upstream: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b501c7b09eb941dc7ff21f9939c322d2c9c32ec0 (2.24)

Notes

Author	Note
sbeattie	looks to have been introduced in 2.23

CVE-2018-11237

Medium

Status

Notes

References

Bugs

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