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CVE-2017-8844

26
FAUCET Score

CVE-2017-8844 describes a heap-based buffer overflow vulnerability in the read_1g function of liblrzip.so in lrzip 0.631, affecting Debian Linux and the Long Range Zip project. This high-severity flaw (CVSS 7.8) can be triggered by a crafted archive, potentially leading to a denial of service (application crash) or other unspecified impacts, with high confidentiality, integrity, and availability concerns. While the attack requires user interaction (UI:R) and local access (AV:L), there is currently no public exploit code available (Metasploit, Nuclei, ExploitDB: None), and it has received minimal community discussion or media coverage, suggesting low active exploitation.

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

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.60%
Probability of exploitation in next 30 days
EPSS Percentile
73.2%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0160 is in the 72nd percentile among its peer group of 11,615 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 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-heap-based-buffer-overflow-write-in-read_1g-stream-c
Third Party AdvisoryVDB Entry
github.com / ckolivas/lrzip/issues/70
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