Debian Security Bug TrackerDEBIANCVE:CVE-2018-20796CVE-2018-20796
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.006 Low
EPSS
Percentile
78.8%
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.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | glibc | <= 2.36-9+deb12u4 | glibc_2.36-9+deb12u4_all.deb |
| Debian | 11 | all | glibc | <= 2.31-13+deb11u8 | glibc_2.31-13+deb11u8_all.deb |
| Debian | 10 | all | glibc | <= 2.28-10+deb10u1 | glibc_2.28-10+deb10u1_all.deb |
| Debian | 999 | all | glibc | <= 2.37-19 | glibc_2.37-19_all.deb |
| Debian | 13 | all | glibc | <= 2.37-18 | glibc_2.37-18_all.deb |
Related
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
0.006 Low
EPSS
Percentile
78.8%