CVE-2020-11958
Published: 21 April 2020
re2c 1.3 has a heap-based buffer overflow in Scanner::fill in parse/scanner.cc via a long lexeme.
Notes
Author | Note |
---|---|
leosilva |
introduced by 1.2 by https://github.com/skvadrik/re2c/commit/1edd26a35457c5835afd58b8fa8330d33e7a1192 |
Priority
Status
Package | Release | Status |
---|---|---|
re2c
Launchpad, Ubuntu, Debian |
bionic |
Not vulnerable
|
eoan |
Released
(1.2.1-1ubuntu0.1)
|
|
focal |
Released
(1.3-1ubuntu0.1)
|
|
trusty |
Not vulnerable
|
|
upstream |
Needs triage
|
|
xenial |
Not vulnerable
|
|
Patches:
upstream: https://github.com/skvadrik/re2c/commit/1edd26a35457c5835afd58b8fa8330d33e7a1192 |
Severity score breakdown
Parameter | Value |
---|---|
Base score | 7.8 |
Attack vector | Local |
Attack complexity | Low |
Privileges required | None |
User interaction | Required |
Scope | Unchanged |
Confidentiality | High |
Integrity impact | High |
Availability impact | High |
Vector | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |