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 |