CVE-2017-8842 json
The bufRead::get() function in libzpaq/libzpaq.h in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (divide…
published 2017-05-08 9 y ago modified 2026-06-17 4 mo ago also EUVD-2017-17784
- cvss
- 5.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
The bufRead::get() function in libzpaq/libzpaq.h in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (divide-by-zero error and application crash) via a crafted archive.
Patch / fix
- lrzip Debian 14, Debian 13, Debian 12 0.631+git180517-1
debian advisories DEBIAN-CVE-2017-8842
- lrzip Ubuntu 18.04 LTS 0.631-1+deb9u1build0.18.04.1
ubuntu advisories UBUNTU-CVE-2017-8842
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
- github.com/ckolivas/lrzip/issues/66 advisory
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-2017-8842 updated
lrzip: Multiple security vulnerabilities
-
Red Hat All currently supported Red Hat productsnot 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
1.57% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.5 | CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
Classification
- Weakness
-
- CWE-369 Divide By Zero
References
-
github.com
/ckolivas/lrzip/issues/66
issue-tracking, patch, third-party-advisory
-
security.gentoo.org
/glsa/202005-01
vendor-advisory, third-party-advisory
-
blogs.gentoo.org
/ago/2017/05/07/lrzip-divide-by-zero-in-bufreadget-libzpaq-h/
third-party-advisory, vdb-entry
Sources
- CVE List CVE-2017-8842
- NVD CVE-2017-8842
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.