CVE-2019-7309

EUVD-2019-16853
In the GNU C Library (aka glibc or libc6) through 2.29, the memcmp function for the x32 architecture can incorrectly return zero (indicating that the inputs are equal) because the RDX most significant bit is mishandled.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.5 MEDIUM
LOCAL
LOW
LOW
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 37%
Affected Products (NVD)
VendorProductVersion
gnuglibc
𝑥
≤ 2.29
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
glibc
bookworm
2.36-9+deb12u8
fixed
bookworm (security)
2.36-9+deb12u7
fixed
bullseye
2.31-13+deb11u11
fixed
bullseye (security)
2.31-13+deb11u10
fixed
sid
2.40-3
fixed
trixie
2.40-3
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
eglibc
bionic
dne
cosmic
dne
disco
dne
eoan
dne
focal
dne
trusty
ignored
xenial
dne
glibc
bionic
ignored
cosmic
ignored
disco
ignored
eoan
not-affected
focal
not-affected
trusty
dne
xenial
ignored
References
http://www.securityfocus.com/bid/106835
https://security.gentoo.org/glsa/202006-04
https://sourceware.org/bugzilla/show_bug.cgi?id=24155
https://sourceware.org/ml/libc-alpha/2019-02/msg00041.html
http://www.securityfocus.com/bid/106835
https://security.gentoo.org/glsa/202006-04
https://sourceware.org/bugzilla/show_bug.cgi?id=24155
https://sourceware.org/ml/libc-alpha/2019-02/msg00041.html