Vulnerability Description
QEMU 4.1.0 has a memory leak in zrle_compress_data in ui/vnc-enc-zrle.c during a VNC disconnect operation because libz is misused, resulting in a situation where memory allocated in deflateInit2 is not freed in deflateEnd.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Qemu | Qemu | 4.1.0 |
| Opensuse | Leap | 15.1 |
| Debian | Debian Linux | 9.0 |
| Canonical | Ubuntu Linux | 16.04 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.htmlBroken LinkThird Party Advisory
- http://www.openwall.com/lists/oss-security/2020/03/05/1Mailing ListPatchThird Party Advisory
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6bf21f3d83e95bcc4ba35a7a07cc6655
- https://lists.debian.org/debian-lts-announce/2020/07/msg00020.htmlMailing ListThird Party Advisory
- https://usn.ubuntu.com/4372-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4665Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.htmlBroken LinkThird Party Advisory
- http://www.openwall.com/lists/oss-security/2020/03/05/1Mailing ListPatchThird Party Advisory
- https://git.qemu.org/?p=qemu.git%3Ba=commit%3Bh=6bf21f3d83e95bcc4ba35a7a07cc6655
- https://lists.debian.org/debian-lts-announce/2020/07/msg00020.htmlMailing ListThird Party Advisory
- https://usn.ubuntu.com/4372-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4665Third Party Advisory
FAQ
What is CVE-2019-20382?
CVE-2019-20382 is a vulnerability with a CVSS score of 3.5 (LOW). QEMU 4.1.0 has a memory leak in zrle_compress_data in ui/vnc-enc-zrle.c during a VNC disconnect operation because libz is misused, resulting in a situation where memory allocated in deflateInit2 is no...
How severe is CVE-2019-20382?
CVE-2019-20382 has been rated LOW with a CVSS base score of 3.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2019-20382?
Check the references section above for vendor advisories and patch information. Affected products include: Qemu Qemu, Opensuse Leap, Debian Debian Linux, Canonical Ubuntu Linux.