Vulnerability Description
re2c 1.3 has a heap-based buffer overflow in Scanner::fill in parse/scanner.cc via a long lexeme.
CVSS Score
7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Re2C | Re2C | 1.3 |
| Canonical | Ubuntu Linux | 19.10 |
Related Weaknesses (CWE)
References
- http://www.openwall.com/lists/oss-security/2020/04/21/1Mailing ListThird Party Advisory
- https://blogs.gentoo.org/ago/2020/04/19/re2c-heap-overflow-in-scannerfill-scanneThird Party Advisory
- https://github.com/skvadrik/re2c/commit/c4603ba5ce229db83a2a4fb93e6d4b4e3ec3776aPatchThird Party Advisory
- https://security.gentoo.org/glsa/202007-28Third Party Advisory
- https://usn.ubuntu.com/4338-1/Third Party Advisory
- https://usn.ubuntu.com/4338-2/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/04/19/1Mailing ListThird Party Advisory
- http://www.openwall.com/lists/oss-security/2020/04/21/1Mailing ListThird Party Advisory
- https://blogs.gentoo.org/ago/2020/04/19/re2c-heap-overflow-in-scannerfill-scanneThird Party Advisory
- https://github.com/skvadrik/re2c/commit/c4603ba5ce229db83a2a4fb93e6d4b4e3ec3776aPatchThird Party Advisory
- https://security.gentoo.org/glsa/202007-28Third Party Advisory
- https://usn.ubuntu.com/4338-1/Third Party Advisory
- https://usn.ubuntu.com/4338-2/Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/04/19/1Mailing ListThird Party Advisory
FAQ
What is CVE-2020-11958?
CVE-2020-11958 is a vulnerability with a CVSS score of 7.8 (HIGH). re2c 1.3 has a heap-based buffer overflow in Scanner::fill in parse/scanner.cc via a long lexeme.
How severe is CVE-2020-11958?
CVE-2020-11958 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-11958?
Check the references section above for vendor advisories and patch information. Affected products include: Re2C Re2C, Canonical Ubuntu Linux.