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CVE-2018-5786

In Long Range Zip (aka lrzip) 0.631, there is an infinite loop and application hang in the...

5.5 MediumFix available

In Long Range Zip (aka lrzip) 0.631, there is an infinite loop and application hang in the get_fileinfo function (lrzip.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted lrz file.

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

1.33%Up 0.7 points since Apr 14, 2021
90%50%10%1%

What each source reports

NVD Score used 5.5

In Long Range Zip (aka lrzip) 0.631, there is an infinite loop and application hang in the get_fileinfo function (lrzip.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted lrz file.

Record
CVE-2018-5786
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-835
Updated
2026-11-02
CVE List No score

In Long Range Zip (aka lrzip) 0.631, there is an infinite loop and application hang in the get_fileinfo function (lrzip.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted lrz file.

Record
CVE-2018-5786
Updated
2026-11-02
EUVDEUVD-2018-17553 No score

In Long Range Zip (aka lrzip) 0.631, there is an infinite loop and application hang in the get_fileinfo function (lrzip.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted lrz file.

Record
EUVD-2018-17553
Updated
2026-11-03
GitHub AdvisoriesGHSA-7mxv-pr28-272f 5.5

In Long Range Zip (aka lrzip) 0.631, there is an infinite loop and application hang in the...

In Long Range Zip (aka lrzip) 0.631, there is an infinite loop and application hang in the get_fileinfo function (lrzip.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted lrz file.

Record
GHSA-7mxv-pr28-272f
CVSS 3.1
5.5 MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-835
Updated
2026-11-02
OSV 5.5

In Long Range Zip (aka lrzip) 0.631, there is an infinite loop and application hang in the get_fileinfo function (lrzip.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted lrz file.

Record
CVE-2018-5786
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-2018-5786 5.5

In Long Range Zip (aka lrzip) 0.631, there is an infinite loop and application hang in the get_fileinfo function (lrzip.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted lrz file.

Record
DEBIAN-CVE-2018-5786
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
Show 4 moreShow less
OSVUBUNTU-CVE-2018-5786 5.5

In Long Range Zip (aka lrzip) 0.631, there is an infinite loop and application hang in the get_fileinfo function (lrzip.c). Remote attackers could leverage this vulnerability to cause a denial of service via a crafted lrz file.

Record
UBUNTU-CVE-2018-5786
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 3.0
5.5 MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVUSN-5171-1 No score

lrzip vulnerabilities

It was discovered that Long Range ZIP incorrectly handled certain specially crafted lrz files. A remote attacker could possibly use this issue to cause a denial of service (crash) or other unspecified impact.

Record
USN-5171-1
Updated
2026-11-02
OSVUSN-5171-2 No score

lrzip vulnerabilities

USN-5171-1 fixed vulnerabilities in Long Range ZIP. This update provides the corresponding updates for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

It was discovered that Long Range ZIP incorrectly handled certain specially crafted lrz files. A remote attacker could possibly use this issue to cause a denial of service (crash) or other unspecified impact.

Record
USN-5171-2
Updated
2026-11-02
OSVUSN-5840-1 No score

lrzip vulnerabilities

It was discovered that Long Range ZIP incorrectly handled pointers. If a user or an automated system were tricked into opening a certain specially crafted ZIP file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2020-25467)

It was discovered that Long Range ZIP incorrectly handled pointers. If a user or an automated system were tricked into opening a certain specially crafted ZIP file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-27345, CVE-2021-27347)

It was discovered that Long Range ZIP incorrectly handled pointers. If a user or an automated system were tricked into opening a certain specially crafted ZIP file, an attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 16.04 ESM, Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS. (CVE-2022-26291)

It was discovered that Long Range ZIP incorrectly handled memory allocation, which could lead to a heap memory corruption. An attacker could possibly use this issue to cause denial of service. This issue affected Ubuntu 14.04 ESM, Ubuntu 16.04 ESM, Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, Ubuntu 22.04 LTS, and Ubuntu 22.10. (CVE-2022-28044)

Record
USN-5840-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
lrzip
Debian:12
 before 0.651-2
0.651-2
lrzip
Debian:13
 before 0.651-2
0.651-2
lrzip
Debian:14
 before 0.651-2
0.651-2
lrzip
Debian:9
From an advisory covering 5 CVEs
 before 0.631-1+deb9u2, plus listed versions
0.631-10.631-1+deb9u1
0.631-1+deb9u2
lrzip
Debian:10
From an advisory covering 3 CVEs
 before 0.631+git180528-1+deb10u1, plus listed versions
0.631+git180528-1
0.631+git180528-1+deb10u1
lrzip
Debian:11
From an advisory covering 3 CVEs
 before 0.641-1+deb11u1, plus listed versions
0.641-1
0.641-1+deb11u1
lrzip
Ubuntu:Pro:14.04:LTS
 before 0.616-1ubuntu0.1~esm1, plus listed versions
0.608-20.616-10.616-1ubuntu0.1~esm
0.616-1ubuntu0.1~esm1
lrzip
Ubuntu:Pro:16.04:LTS
 before 0.621-1ubuntu0.1~esm1, plus listed versions
0.621-1
0.621-1ubuntu0.1~esm1
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
lrzip
Ubuntu:18.04:LTS
From an advisory covering 10 CVEs
 before 0.631-1+deb9u1build0.18.04.1, plus listed versions
0.631-1
0.631-1+deb9u1build0.18.04.1
Show 7 moreShow less
Affected packages
PackageAffectedFixed
lrzip
Ubuntu:Pro:14.04:LTS
From an advisory covering 10 CVEs
 before 0.616-1ubuntu0.1~esm1, plus listed versions
0.608-20.616-10.616-1ubuntu0.1~esm
0.616-1ubuntu0.1~esm1
lrzip
Ubuntu:Pro:16.04:LTS
From an advisory covering 10 CVEs
 before 0.621-1ubuntu0.1~esm1, plus listed versions
0.621-1
0.621-1ubuntu0.1~esm1
lrzip
Ubuntu:Pro:14.04:LTS
From an advisory covering 6 CVEs
 before 0.616-1ubuntu0.1~esm2, plus listed versions
0.608-20.616-10.616-1ubuntu0.1~esm0.616-1ubuntu0.1~esm1
0.616-1ubuntu0.1~esm2
lrzip
Ubuntu:Pro:16.04:LTS
From an advisory covering 6 CVEs
 before 0.621-1ubuntu0.1~esm2, plus listed versions
0.621-10.621-1ubuntu0.1~esm1
0.621-1ubuntu0.1~esm2
lrzip
Ubuntu:18.04:LTS
From an advisory covering 6 CVEs
 before 0.631-1+deb9u3build0.18.04.1, plus listed versions
0.631-10.631-1+deb9u1build0.18.04.1
0.631-1+deb9u3build0.18.04.1
lrzip
Ubuntu:20.04:LTS
From an advisory covering 6 CVEs
 before 0.631+git180528-1+deb10u1build0.20.04.1, plus listed versions
0.631+git180528-10.631+git180528-1build1
0.631+git180528-1+deb10u1build0.20.04.1
lrzip
Ubuntu:22.04:LTS
From an advisory covering 6 CVEs
 before 0.651-2ubuntu0.22.04.1, plus listed versions
0.641-10.651-2
0.651-2ubuntu0.22.04.1

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2018-5786 is a medium vulnerability (CVSS 5.5) in Long Range Zip Project Range Zip, published January 19, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.33%, the 71st percentile. Fixed in lrzip 0.651-2.

References

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