hdf/dataobject.c in libmysofa before 0.8 has an uninitialized use of memory, as demonstrated by mysofa2json.

published 2019-12-29 6 y ago modified 2026-06-17 4 mo ago also EUVD-2019-10619

cvss: 8.8; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 1.5%; EPSS 1.5% chance of exploitation in 30 days, percentile 73%
public exploits: 0; none known

Patch / fix

fixed in 1 distros 2

symonics libmysofa 0.8

debian opensuse

libmysofa Debian 14, Debian 13, Debian 12 0.8~dfsg0-1

debian advisories DEBIAN-CVE-2019-20063

libmysofa Package Hub 15 SP2 0.9.1-bp152.4.3.1
libmysofa openSUSE Leap 15.2 0.9.1-lp152.3.3.1

opensuse advisories openSUSE-SU-2021:0459-1 openSUSE-SU-2021:0444-1

Exploit prediction

1.45% chance of exploitation in the next 30 days, higher than 73% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

github.com https://github.com/hoene/libmysofa/issues/67 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
NVD	2.0	6.8	AV:N/AC:M/Au:N/C:P/I:P/A:P

Classification

Weakness

CWE-665 Improper Initialization

References

github.com /hoene/libmysofa/issues/67
exploit, issue-tracking, third-party-advisory
github.com /hoene/libmysofa/compare/v0.7...v0.8
release-notes, third-party-advisory

Sources

CVE List CVE-2019-20063
NVD CVE-2019-20063

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary