CVE-2019-20079: canonical ubuntu_linux Use After Free
CVSS: 7.8v3.1HighModified
AliasesMGASA-2020-0151UBUNTU-CVE-2019-20079DEBIAN-CVE-2019-20079
Published 30-12-2019Last modified 05-08-2024
Vulnerability summary
CVE-2019-20079 is a high (CVSS 7.8) Use After Free vulnerability in canonical ubuntu_linux. EPSS estimates a 1.89% chance of exploitation in the next 30 days, higher than 79.2% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (NVD)EPSS score
1.89%
0%100%
Low · -0.02 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 1 · Related 1Timeline
- 30-12-2019PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
The autocmd feature in window.c in Vim before 8.1.2136 accesses freed memory.
CVSS metrics
4 scores · 3 sources · 2 versionsHigh 7.8Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
1.89%
Chance of exploitation in the next 30 days
Percentile
79%
Versus all other CVEs
30-day change
-0.02 pp
From 1.91% on 19-09-2026
19-09-202619-10-2026
EPSS score1.89%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Canonical1 product
- ubuntu_linuxEOL12.04 | 14.04 | 16.04 | 18.04 | 19.10
Debian1 product
- vim< 2:8.1.2136-1
Mageia1 product
- vim< 8.1.2136-1.mga7
Ubuntu1 product
- vim< 2:8.0.1453-1ubuntu1.3
Vim1 product
- vim≥ 8.1.2121, < 8.1.2136
5 vendors · 5 products
References
11 links- github.com/vim/vim/commit/ec66c41d84e574baf8009dbc0bd088d2bc5b2421X Refsource MISCPatchThird Party Advisory