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CVE-2019-9192

Published: 26 February 2019

** DISPUTED ** 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.

Notes

AuthorNote
mdeslaur
upstream does not consider this to be a security issue, per
https://sourceware.org/glibc/wiki/Security%20Exceptions

as of 2019-07-29, no fix available
This issue has been disputed, marking as not-affected

Priority

Negligible

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
eglibc
Launchpad, Ubuntu, Debian
bionic Does not exist

cosmic Does not exist

disco Does not exist

eoan Does not exist

focal Does not exist

trusty Not vulnerable

upstream Needs triage

xenial Does not exist

glibc
Launchpad, Ubuntu, Debian
bionic Not vulnerable

cosmic Ignored
(end of life)
disco Ignored
(end of life)
eoan Not vulnerable

focal Not vulnerable

trusty Does not exist

upstream Needs triage

xenial Not vulnerable

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H