CVE-2017-8847

The bufRead::get() function in libzpaq/libzpaq.h in liblrzip.so in lrzip 0.631 allows remote...

5.5 MediumFix available

The bufRead::get() function in libzpaq/libzpaq.h in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted archive.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: None
Integrity: None
Availability: High

Exploit likelihood

1.38%Up 0.1 points since Apr 14, 2021

What each source reports

NVD Score used 5.5

Record: CVE-2017-8847
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness: CWE-476
Updated: 2026-11-02

CVE List No score

Record: CVE-2017-8847
Updated: 2026-11-02

EUVDEUVD-2017-17789 No score

Record: EUVD-2017-17789
Updated: 2026-11-03

GitHub AdvisoriesGHSA-2c7p-hjrr-cxq7 5.5

The bufRead::get() function in libzpaq/libzpaq.h in liblrzip.so in lrzip 0.631 allows remote...

Record: GHSA-2c7p-hjrr-cxq7
CVSS 3.0: 5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness: CWE-476
Updated: 2026-11-02

OSV 5.5

Record: CVE-2017-8847
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2017-8847 5.5

Record: DEBIAN-CVE-2017-8847
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

OSVUBUNTU-CVE-2017-8847 5.5

Record: UBUNTU-CVE-2017-8847
CVSS 3.1: 5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated: 2026-11-02

Affected products

long range zip project range zip

Affected packages

Affected packages
Package	Affected	Fixed
`lrzip` Debian:12	before 0.631+git180517-1	0.631+git180517-1
`lrzip` Debian:13	before 0.631+git180517-1	0.631+git180517-1
`lrzip` Debian:14	before 0.631+git180517-1	0.631+git180517-1
`lrzip` Debian:9	before 0.631-1+deb9u1, plus listed versions 0.631-1	0.631-1+deb9u1
`lrzip` Ubuntu:Pro:14.04:LTS	All versions, plus listed versions 0.608-20.616-10.616-1ubuntu0.1~esm0.616-1ubuntu0.1~esm10.616-1ubuntu0.1~esm2	None known
`lrzip` Ubuntu:Pro:16.04:LTS	All versions, plus listed versions 0.621-10.621-1ubuntu0.1~esm10.621-1ubuntu0.1~esm2	None known
`lrzip` Ubuntu:18.04:LTS	before 0.631-1+deb9u1build0.18.04.1, plus listed versions 0.631-1	0.631-1+deb9u1build0.18.04.1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2017-8847 is a medium vulnerability (CVSS 5.5) in Long Range Zip Project Range Zip, published May 8, 2017. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.38%, the 72nd percentile. Fixed in lrzip 0.631+git180517-1.