CVE-2018-19432

NameCVE-2018-19432
DescriptionAn issue was discovered in libsndfile 1.0.28. There is a NULL pointer dereference in the function sf_write_int in sndfile.c, which will lead to a denial of service.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1618-1
NVD severitymedium (attack range: remote)
Debian Bugs914381

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
libsndfile (PTS)jessie1.0.25-9.1+deb8u1vulnerable
jessie (security)1.0.25-9.1+deb8u4fixed
stretch1.0.27-3vulnerable
buster, sid1.0.28-6vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
libsndfilesource(unstable)(unfixed)unimportant914381
libsndfilesourcejessie1.0.25-9.1+deb8u2mediumDLA-1618-1

Notes

https://github.com/erikd/libsndfile/issues/427
https://github.com/erikd/libsndfile/commit/aaea680337267bfb6d2544da878890ee7f1c5077
Similar underlying issue as CVE-2018-13139 but not considered a duplicate.
Missing channel number check in sndfile-deinterleave program, not a
security issue in the library.

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