NULL pointer dereference in Leonerd Libvterm
CVE-2018-20786
libvterm through 0+bzr726, as used in Vim and other products, mishandles certain out-of-memory conditions, leading to a denial of service (application crash), related to screen.c, state.c, and vterm.c.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.030 (86.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.030 · newest: 0.030 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/vim/vim/commit/cd929f7ba8cc5b6d6dcf35c8b34124e969fed6b8 (Patch, Third Party Advisory)
- github.com/vim/vim/issues/3711 (Exploit, Third Party Advisory)
- usn.ubuntu.com/4309-1/ (vendor-advisory)
Frequently asked questions
- What is CVE-2018-20786?
- CVE-2018-20786 is a high-severity vulnerability in Leonerd Libvterm, classified under NULL Pointer Dereference. CVSS score: 7.5/10. Published 2019-02-24.
- How severe is CVE-2018-20786?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2018-20786 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.