CVE-2018-6551

The malloc implementation in the GNU C Library (aka glibc or libc6), from version 2.24 to 2.26 on powerpc, and only in version 2.26 on i386, did not properly handle malloc calls with arguments close to SIZE_MAX and could return a pointer to a heap region that is smaller than requested, eventually leading to heap corruption.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
9.8 CRITICAL
NETWORK
LOW
NONE
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
mitreCNA
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CVEADP
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Base Score
CVSS 3.x
EPSS Score
Percentile: 62%
VendorProductVersion
gnuglibc
2.24 ≤
𝑥
≤ 2.26
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
glibc
bullseye
2.31-13+deb11u11
fixed
bullseye (security)
2.31-13+deb11u10
fixed
bookworm
2.36-9+deb12u8
fixed
bookworm (security)
2.36-9+deb12u7
fixed
sid
2.40-3
fixed
trixie
2.40-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
eglibc
cosmic
dne
bionic
dne
artful
dne
xenial
dne
trusty
not-affected
glibc
cosmic
not-affected
bionic
not-affected
artful
ignored
xenial
not-affected
trusty
dne
Common Weakness Enumeration
References
https://security.netapp.com/advisory/ntap-20190404-0003/
https://sourceware.org/bugzilla/show_bug.cgi?id=22774
https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=8e448310d74b283c5cd02b9ed7fb997b47bf9b22
https://security.netapp.com/advisory/ntap-20190404-0003/
https://sourceware.org/bugzilla/show_bug.cgi?id=22774
https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=8e448310d74b283c5cd02b9ed7fb997b47bf9b22