[USN-5171-1] Long Range ZIP vulnerabilities

Eduardo Barretto eduardo.barretto at canonical.com
Mon Dec 6 15:05:30 UTC 2021

Ubuntu Security Notice USN-5171-1
December 06, 2021

lrzip vulnerabilities

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS


Several security issues were fixed in Long Range ZIP.

Software Description:
- lrzip: compression program with a very high compression ratio


It was discovered that Long Range ZIP incorrectly handled certain
specially crafted lrz files. A remote attacker could possibly use this
issue to cause a denial of service (crash) or other unspecified impact.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS:
  lrzip                           0.631-1+deb9u1build0.18.04.1

In general, a standard system update will make all the necessary changes.

  CVE-2017-8844, CVE-2017-8846, CVE-2017-9928, CVE-2017-9929,
  CVE-2018-10685, CVE-2018-11496, CVE-2018-5650, CVE-2018-5747,

Package Information:

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 833 bytes
Desc: not available
URL: <https://lists.ubuntu.com/archives/ubuntu-security-announce/attachments/20211206/58b6f105/attachment.sig>

More information about the ubuntu-security-announce mailing list