VULNERABILITY INTELLIGENCE
CVE-2018-20796
CVSS score7.5 HIGH
EPSS probability5.80%
CISA KEVNot currently listed
Published2019-02-26
Last modified2026-06-17
CVSS vectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
In the GNU C Library (aka glibc or libc6) through 2.29, check_dst_limits_calc_pos_1 in posix/regexec.c has Uncontrolled Recursion, as demonstrated by '(\227|)(\\1\\1|t1|\\\2537)+' in grep.
Weakness classification
- CWE-674: Uncontrolled Recursion
Primary references
- cve@mitre.org — Third Party Advisory, VDB Entry
- cve@mitre.org — Exploit, Mailing List, Vendor Advisory
- cve@mitre.org — Exploit, Mailing List, Vendor Advisory
- cve@mitre.org — Patch, Third Party Advisory
- cve@mitre.org
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory, VDB Entry
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Mailing List, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Exploit, Mailing List, Vendor Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Patch, Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108