CVE-2018-20796
7.5
HIGH
CVSS 3.1
EPSS 1.3%
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.
How to fix CVE-2018-20796
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Debian/glibc—no fix listed
Is CVE-2018-20796 being exploited?
Low — EPSS is 1.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.5 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |