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CVE-2017-8846

21
FAUCET Score

CVE-2017-8846 describes a use-after-free vulnerability in the read_stream function of liblrzip.so in lrzip 0.631, affecting Debian Linux and Long Range Zip Project products. This flaw allows remote attackers to trigger a denial of service (application crash) via a crafted archive. The vulnerability has a CVSS score of 5.5 (Medium), indicating a local attack vector with low complexity and high impact on availability, requiring user interaction. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage, suggesting a low current threat landscape.

Impacted Technologies

VendorProductVersion(s)CPE
0.631CPE matchmatch criteria
cpe:2.3:a:long_range_zip_project:long_range_zip:0.631:*:*:*:*:*:*:*
9.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

5.5MEDIUM

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.57%
Probability of exploitation in next 30 days
EPSS Percentile
72.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0157 is in the 83rd percentile among its peer group of 5,765 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

blogs.gentoo.org / ago/2017/05/07/lrzip-use-after-free-in-read_stream-stream-c
Third Party AdvisoryVDB Entry
github.com / ckolivas/lrzip/issues/71
Issue TrackingPatchThird Party Advisory
lists.debian.org / debian-lts-announce/2021/08/msg00001.html
Mailing ListThird Party Advisory
security.gentoo.org / glsa/202005-01
Third Party Advisory