Vulnerability Description
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."
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Lz4 Project | Lz4 | < 1.9.2 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00069.html
- http://lists.opensuse.org/opensuse-security-announce/2019-10/msg00070.html
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15941Third Party Advisory
- https://github.com/lz4/lz4/compare/v1.9.1...v1.9.2Third Party Advisory
- https://github.com/lz4/lz4/issues/801Third Party Advisory
- https://github.com/lz4/lz4/pull/756PatchThird Party Advisory
- https://github.com/lz4/lz4/pull/760PatchThird Party Advisory
- https://lists.apache.org/thread.html/25015588b770d67470b7ba7ea49a305d6735dd7f00e
- https://lists.apache.org/thread.html/543302d55e2d2da4311994e9b0debdc676bf3fd05e1
- https://lists.apache.org/thread.html/793012683dc0fa6819b7c2560e6cf990811014c40c7
- https://lists.apache.org/thread.html/9ff0606d16be2ab6a81619e1c9e23c3e251756638e3
- https://lists.apache.org/thread.html/f0038c4fab2ee25aee849ebeff6b33b3aa89e07ccfb
- https://lists.apache.org/thread.html/f506bc371d4a068d5d84d7361293568f61167d3a1c3
- https://lists.apache.org/thread.html/r0fb226357e7988a241b06b93bab065bcea2eb38658
- https://lists.apache.org/thread.html/r4068ba81066792f2b4d208b39c4c4713c5d4c79bd8
FAQ
What is CVE-2019-17543?
CVE-2019-17543 is a vulnerability with a CVSS score of 8.1 (HIGH). 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...
How severe is CVE-2019-17543?
CVE-2019-17543 has been rated HIGH with a CVSS base score of 8.1/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-17543?
Check the references section above for vendor advisories and patch information. Affected products include: Lz4 Project Lz4.