CVE-2020-21674
Published: 15 October 2020
Heap-based buffer overflow in archive_string_append_from_wcs() (archive_string.c) in libarchive-3.4.1dev allows remote attackers to cause a denial of service (out-of-bounds write in heap memory resulting into a crash) via a crafted archive file. NOTE: this only affects users who downloaded the development code from GitHub. Users of the product's official releases are unaffected.
Priority
Medium
CVSS 3 base score: 6.5
Status
| Package | Release | Status |
|---|---|---|
|
libarchive Launchpad, Ubuntu, Debian |
Upstream |
Needs triage
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Not vulnerable
(code not present)
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Not vulnerable
(code not present)
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Not vulnerable
(code not present)
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Not vulnerable
(code not present)
|
Notes
| Author | Note |
|---|---|
| ebarretto | this only affects users who downloaded the development code. Users of the product's official releases are unaffected. |