CVE-2020-11958

HighCVSS 7.8/10Last modified Jun 17, 2026

Description

re2c 1.3 has a heap-based buffer overflow in Scanner::fill in parse/scanner.cc via a long lexeme.

Metrics

CVSS 3.1 7.8/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness enumeration

CWE-787

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

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

Timeline

Published: Apr 21, 2020
Last modified: Jun 17, 2026
NVD status: Modified

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