The backtrack compilation code in the Irregex package (aka IrRegular Expressions) before 0.9.6 for Scheme allows remote attackers to cause a denial of service (memory consumption) via a crafted regular expression with a repeating pattern.
Affected Software
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Irregex | Irregex_project | * | 0.9.5 (including) |
| Chicken | Ubuntu | esm-apps/xenial | * |
| Chicken | Ubuntu | trusty | * |
| Chicken | Ubuntu | upstream | * |
| Chicken | Ubuntu | xenial | * |
References
- http://www.openwall.com/lists/oss-security/2016/12/15/8
- http://www.securityfocus.com/bid/94942
- https://bugzilla.redhat.com/show_bug.cgi?id=1413990
- https://github.com/ashinn/irregex/commit/a16ffc86eca15fca9e40607d41de3cea9cf868f1
- http://www.openwall.com/lists/oss-security/2016/12/15/8
- http://www.securityfocus.com/bid/94942
- https://bugzilla.redhat.com/show_bug.cgi?id=1413990
- https://github.com/ashinn/irregex/commit/a16ffc86eca15fca9e40607d41de3cea9cf868f1