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 |
upstream |
Needs triage
|
| trusty |
Not vulnerable
|
|
| xenial |
Not vulnerable
|
|
| bionic |
Not vulnerable
|
|
| eoan |
Released
(1.2.1-1ubuntu0.1)
|
|
| focal |
Released
(1.3-1ubuntu0.1)
|
|
|
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 |