CVE-2018-20657
Published: 2 January 2019
The demangle_template function in cplus-dem.c in GNU libiberty, as distributed in GNU Binutils 2.31.1, has a memory leak via a crafted string, leading to a denial of service (memory consumption), as demonstrated by cxxfilt, a related issue to CVE-2018-12698.
Notes
Author | Note |
---|---|
mdeslaur | 10-byte memleak, not considered important to be fixed by upstream, so no patch is available as of 2023-06-02 |
Priority
Status
Package | Release | Status |
---|---|---|
binutils Launchpad, Ubuntu, Debian |
bionic |
Deferred
|
cosmic |
Ignored
(end of life)
|
|
disco |
Ignored
(end of life)
|
|
eoan |
Ignored
(end of life)
|
|
focal |
Deferred
|
|
groovy |
Ignored
(end of life)
|
|
hirsute |
Ignored
(end of life)
|
|
impish |
Ignored
(end of life)
|
|
jammy |
Deferred
|
|
kinetic |
Ignored
(end of life, was deferred)
|
|
lunar |
Ignored
(end of life, was deferred)
|
|
mantic |
Deferred
|
|
trusty |
Deferred
|
|
upstream |
Ignored
|
|
xenial |
Deferred
|
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 |