VulnerabilityModified
CVE-2020-11958
re2c 1.3 has a heap-based buffer overflow in Scanner::fill in parse/scanner.cc via a long lexeme.
HIGH 7.8EPSS 1.70%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.70%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
re2c 1.3 has a heap-based buffer overflow in Scanner::fill in parse/scanner.cc via a long lexeme.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.70% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- re2c/re2c · canonical/ubuntu linux
- Source
- cve@mitre.org
References
- http://www.openwall.com/lists/oss-security/2020/04/21/1Mailing List, Third Party Advisory
- https://blogs.gentoo.org/ago/2020/04/19/re2c-heap-overflow-in-scannerfill-scanner-cc/Third Party Advisory
- https://github.com/skvadrik/re2c/commit/c4603ba5ce229db83a2a4fb93e6d4b4e3ec3776aPatch, Third 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 List, Third Party Advisory
- http://www.openwall.com/lists/oss-security/2020/04/21/1Mailing List, Third Party Advisory
- https://blogs.gentoo.org/ago/2020/04/19/re2c-heap-overflow-in-scannerfill-scanner-cc/Third Party Advisory
- https://github.com/skvadrik/re2c/commit/c4603ba5ce229db83a2a4fb93e6d4b4e3ec3776aPatch, Third 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 List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.