Buffer overflow in Symonics Libmysofa
CVE-2019-20016
libmysofa before 2019-11-24 does not properly restrict recursive function calls, as demonstrated by reports of stack consumption in readOHDRHeaderMessageDatatype in dataobject.c and directblockRead in fractalhead.c. NOTE: a download of v0.9 after 2019-12-06 should fully remediate this issue.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.017 (76.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 76.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.017 · newest: 0.017 · change: 0.000
Affected products
Weakness classification (CWE)
References
- github.com/hoene/libmysofa/issues/83 (Exploit, Third Party Advisory)
- github.com/hoene/libmysofa/issues/84 (Exploit, Third Party Advisory)
- github.com/hoene/libmysofa/commit/2e6fac6ab6156dae8e8c6f417741388084b70d6f (Patch, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-20016?
- CVE-2019-20016 is a medium-severity vulnerability in Symonics Libmysofa, classified under Out-of-bounds Write. CVSS score: 6.5/10. Published 2019-12-27.
- How severe is CVE-2019-20016?
- Medium severity. CVSS v3 base score is 6.5 out of 10.