re2c before 2.0 has uncontrolled recursion that causes stack consumption in find_fixed_tags.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 5.5 | MEDIUM | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H | 1.8 | 3.6 |
CVSS 2.0
Severity: MEDIUM
Problem Type: CWE-674,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| re2c | re2c | * |
re2c 1.3 has a heap-based buffer overflow in Scanner::fill in parse/scanner.cc via a long lexeme.
CVSS 2.0
Severity: MEDIUM
Problem Type: CWE-787,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| canonical | ubuntu_linux | 20.04 |
| re2c | re2c | 1.3 |
| canonical | ubuntu_linux | 19.10 |
A stack overflow re2c 2.2 exists due to infinite recursion issues in src/dfa/dead_rules.cc.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | 3.9 | 5.9 |
CVSS 2.0
Severity: HIGH
Problem Type: CWE-787,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| re2c | re2c | 2.2 |