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CVE-2019-20387

Published: 21 January 2020

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.

Priority

Medium

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
libsolv
Launchpad, Ubuntu, Debian
bionic Needed

eoan Ignored
(end of life)
focal Not vulnerable
(0.6.36-2)
trusty Does not exist

impish Not vulnerable
(0.6.36-2)
groovy Not vulnerable
(0.6.36-2)
hirsute Not vulnerable
(0.6.36-2)
jammy Not vulnerable
(0.6.36-2)
kinetic Not vulnerable
(0.6.36-2)
lunar Not vulnerable
(0.6.36-2)
upstream
Released (0.6.36-2, 0.7.6)
xenial Needed

mantic Not vulnerable
(0.6.36-2)
Patches:
upstream: https://github.com/openSUSE/libsolv/commit/fdb9c9c03508990e4583046b590c30d958f272da

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H