CVE-2021-3487
Published: 15 April 2021
There's a flaw in the BFD library of binutils in versions before 2.36. An attacker who supplies a crafted file to an application linked with BFD, and using the DWARF functionality, could cause an impact to system availability by way of excessive memory consumption.
Priority
Status
| Package | Release | Status |
|---|---|---|
|
binutils Launchpad, Ubuntu, Debian |
impish |
Not vulnerable
(2.37-7ubuntu1)
|
| jammy |
Not vulnerable
(2.38-2ubuntu1)
|
|
| lunar |
Not vulnerable
(2.38-2ubuntu1)
|
|
| hirsute |
Not vulnerable
(2.36.1-6ubuntu1)
|
|
| groovy |
Ignored
(end of life)
|
|
| bionic |
Released
(2.30-21ubuntu1~18.04.7)
|
|
| focal |
Released
(2.34-6ubuntu1.3)
|
|
| trusty |
Needed
|
|
| upstream |
Released
(2.36)
|
|
| xenial |
Released
(2.26.1-1ubuntu1~16.04.8+esm3)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only) |
|
| kinetic |
Not vulnerable
(2.38-2ubuntu1)
|
|
|
Patches: upstream: https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=647cebce12a6b0a26960220caff96ff38978cf24 |
||
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 6.5 |
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Unchanged |
| Confidentiality | None |
| Integrity impact | None |
| Availability impact | High |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |