CVE-2019-14872

NameCVE-2019-14872
DescriptionThe _dtoa_r function of the newlib libc library, prior to version 3.3.0, performs multiple memory allocations without checking their return value. This could result in NULL pointer dereference.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
newlib (PTS)jessie2.1.0+git20140818.1a8323b-2vulnerable
stretch2.4.0.20160527-2vulnerable
buster3.1.0.20181231-1vulnerable
bullseye3.3.0-1fixed
bookworm3.3.0-1.3+deb12u1fixed
sid, trixie4.4.0.20231231-4fixed
picolibc (PTS)bullseye1.5.1-2fixed
bookworm1.8-1fixed
sid, trixie1.8.8-2fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
newlibsourcewheezy(unfixed)end-of-life
newlibsource(unstable)3.3.0-1
picolibcsource(unstable)1.4.3-1

Notes

[buster] - newlib <no-dsa> (Minor issue)
[stretch] - newlib <no-dsa> (Minor issue)
[jessie] - newlib <ignored> (Minor issue)
https://census-labs.com/news/2020/01/31/multiple-null-pointer-dereference-vulnerabilities-in-newlib/
https://keithp.com/blogs/picolibc-string-float/

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