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 |