Description (CNA)
A flaw has been found in skvadrik re2c up to 4.4. Impacted is the function check_and_merge_special_rules of the file src/parse/ast.cc. This manipulation causes null pointer dereference. The attack can only be executed locally. The exploit has been published and may be used. Patch name: febeb977936f9519a25d9fbd10ff8256358cdb97. It is suggested to install a patch to address this issue.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| skvadrik / re2c | affected 4.0; affected 4.1; affected 4.2; affected 4.3; affected 4.4 |
CWE
CWE-476, CWE-404
References
- https://vuldb.com/?id.347210
- https://vuldb.com/?ctiid.347210
- https://vuldb.com/?submit.755030
- https://github.com/skvadrik/re2c/issues/571
- https://github.com/skvadrik/re2c/issues/571#issuecomment-3837675101
- https://github.com/oneafter/0202/blob/main/re/repro
- https://github.com/skvadrik/re2c/commit/febeb977936f9519a25d9fbd10ff8256358cdb97
- https://github.com/skvadrik/re2c/
ADP enrichment
No English description supplied.
No references supplied.