9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.023 Low
EPSS
Percentile
89.5%
An issue was discovered in GNU gettext 0.19.8. There is a double free in default_add_message in read-catalog.c, related to an invalid free in po_gram_parse in po-gram-gen.y, as demonstrated by lt-msgfmt.
CPE | Name | Operator | Version |
---|---|---|---|
gettext | eq | 0.19.8-r0 | |
gettext | eq | 0.19.8.1-r0 | |
gettext | eq | 0.18.3.1-r1 | |
gettext | eq | 0.18.1.1-r6 | |
gettext | eq | 0.17-r2 | |
gettext | eq | 0.19.5-r0 | |
gettext | eq | 0.19.4-r1 | |
gettext | eq | 0.19.7-r3 | |
gettext | eq | 0.19.8.1-r4 | |
gettext | eq | 0.18.3-r0 |
lists.opensuse.org/opensuse-security-announce/2020-08/msg00061.html
lists.opensuse.org/opensuse-security-announce/2020-08/msg00065.html
lists.opensuse.org/opensuse-security-announce/2020-09/msg00025.html
access.redhat.com/errata/RHSA-2019:3643
github.com/CCCCCrash/POCs/tree/master/Bin/Tools-gettext-0.19.8.1/doublefree
github.com/CCCCCrash/POCs/tree/master/Bin/Tools-gettext-0.19.8.1/heapcorruption
usn.ubuntu.com/3815-1/
usn.ubuntu.com/3815-2/
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.3 High
AI Score
Confidence
High
7.5 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
0.023 Low
EPSS
Percentile
89.5%