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Fencer Vulns
critical 9.8

CVE-2018-10685 json

In Long Range Zip (aka lrzip) 0.631, there is a use-after-free in the lzma_decompress_buf function of stream.c, which allows remote attacke…

published 2018-05-02 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-2756

cvss
9.8
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

In Long Range Zip (aka lrzip) 0.631, there is a use-after-free in the lzma_decompress_buf function of stream.c, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.

Patch / fix

  • lrzip Debian 14, Debian 13, Debian 12 0.631+git180517-1

debian advisories DEBIAN-CVE-2018-10685

  • lrzip Ubuntu 18.04 LTS 0.631-1+deb9u1build0.18.04.1
  • lrzip Ubuntu Pro 14.04 LTS 0.616-1ubuntu0.1~esm1
  • lrzip Ubuntu Pro 16.04 LTS 0.621-1ubuntu0.1~esm1

ubuntu advisories UBUNTU-CVE-2018-10685

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-10685 updated cvss 3.3

lrzip: use after free in lzma_decompress_buf function of stream.c

  • Red Hat All currently supported Red Hat products
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.40% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/ckolivas/lrzip/issues/95 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.0 9.8 CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.