CVE-2019-17543
Published: 14 October 2019
LZ4 before 1.9.2 has a heap-based buffer overflow in LZ4_write32 (related to LZ4_compress_destSize), affecting applications that call LZ4_compress_fast with a large input. (This issue can also lead to data corruption.) NOTE: the vendor states "only a few specific / uncommon usages of the API are at risk."
Priority
Low
CVSS 3 base score: 8.1
Status
| Package | Release | Status |
|---|---|---|
|
lz4 Launchpad, Ubuntu, Debian |
Upstream |
Released
(1.9.2-1)
|
| Ubuntu 21.10 (Impish Indri) |
Not vulnerable
(1.9.2-2)
|
|
| Ubuntu 21.04 (Hirsute Hippo) |
Not vulnerable
(1.9.2-2)
|
|
| Ubuntu 20.04 LTS (Focal Fossa) |
Not vulnerable
(1.9.2-2)
|
|
| Ubuntu 18.04 LTS (Bionic Beaver) |
Not vulnerable
(0.0~r131-2ubuntu3.1)
|
|
| Ubuntu 16.04 ESM (Xenial Xerus) |
Not vulnerable
(0.0~r131-2ubuntu2)
|
|
| Ubuntu 14.04 ESM (Trusty Tahr) |
Not vulnerable
(0.0~r114-2ubuntu1)
|
|
|
Patches: Upstream: https://github.com/lz4/lz4/commit/690009e2c2f9e5dcb0d40e7c0c40610ce6006eda (pre) Upstream: https://github.com/lz4/lz4/commit/6bc6f836a18d1f8fd05c8fc2b42f1d800bc25de1 Upstream: https://github.com/lz4/lz4/commit/13a2d9e34ffc4170720ce417c73e396d0ac1471a |
||
Notes
| Author | Note |
|---|---|
| mdeslaur | code is different in bionic and earlier, no indication that it is vulnerable to this issue. |
References
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-17543
- https://github.com/lz4/lz4/pull/756
- https://github.com/lz4/lz4/pull/760
- https://github.com/lz4/lz4/compare/v1.9.1...v1.9.2
- NVD
- Launchpad
- Debian