Servers and applications
CVE-2019-9192
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 '(|)(\\1\\1)*' in grep, a different issue than CVE-2018-20796. NOTE: the software maintainer disputes that this is a vulnerability because the behavior occurs only with a crafted pattern
- Severity
- High 7.5
- Published
- 26 Feb 2019
- Last changed
- 17 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Exploit chance
- 2.4% in the next 30 daysHigher than 84% of CVEs. EPSS by FIRST, 10 Nov 2026
- Weakness
- Uncontrolled recursion (CWE-674)
- Attack
- Over the network · No login needed · No user action needed
- Attacker can
- Take it down
- CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
GNU C LibraryServers and applications · cpe:a:gnu:glibc |
|