Out-of-bounds Read in Debian Linux
CVE-2019-20387
repodata_schema2id in repodata.c in libsolv before 0.7.6 has a heap-based buffer over-read via a last schema whose length is less than the length of the input schema.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.023 (82.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 82.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.023 · newest: 0.023 · change: 0.000
Affected products
- Debian Linux — versions 8.0
- openSUSE Libsolv
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/openSUSE/libsolv/commit/fdb9c9c03508990e4583046b590c30d958f272da (Patch, Third Party Advisory)
- github.com/openSUSE/libsolv/compare/0.7.5...0.7.6 (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/01/msg00034.html (mailing-list, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-20387?
- CVE-2019-20387 is a high-severity vulnerability in Debian Linux, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2020-01-21.
- How severe is CVE-2019-20387?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-20387 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.