CVE-2017-8842
The bufRead::get() function in libzpaq/libzpaq.h in liblrzip.so in lrzip 0.631 allows remote...
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.
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
What each source reports
NVD Score used
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.
- Record
CVE-2017-8842- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:N/A:P - Weakness
- CWE-369
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2017-8842- Updated
- 2026-11-02
EUVDEUVD-2017-17784 No score
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.
- Record
EUVD-2017-17784- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-qjhh-9rqj-7h84
The bufRead::get() function in libzpaq/libzpaq.h in liblrzip.so in lrzip 0.631 allows remote...
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.
- Record
GHSA-qjhh-9rqj-7h84- CVSS 3.0
- 5.5 Medium
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Weakness
- CWE-369
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2017-8842- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVDEBIAN-CVE-2017-8842
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.
- Record
DEBIAN-CVE-2017-8842- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
OSVUBUNTU-CVE-2017-8842
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.
- Record
UBUNTU-CVE-2017-8842- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
lrzipDebian:12 |
before 0.631+git180517-1 | 0.631+git180517-1 |
lrzipDebian:13 |
before 0.631+git180517-1 | 0.631+git180517-1 |
lrzipDebian:14 |
before 0.631+git180517-1 | 0.631+git180517-1 |
lrzipDebian:9 |
before 0.631-1+deb9u1, plus listed versions 0.631-1 |
0.631-1+deb9u1 |
lrzipUbuntu: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 |
lrzipUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 0.621-10.621-1ubuntu0.1~esm10.621-1ubuntu0.1~esm2 |
None known |
lrzipUbuntu: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
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2017-8842 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 1.57%, the 75th percentile. Fixed in lrzip 0.631+git180517-1.
References
blogs.gentoo.org/ago/2017/05/07/lrzip-divide-by-zero-in-bufreadget-libzpaq-h
github.com/ckolivas/lrzip/issues/66
security.gentoo.org/glsa/202005-01
nvd.nist.gov/vuln/detail/CVE-2017-8842
security-tracker.debian.org/tracker/CVE-2017-8842
ubuntu.com/security/CVE-2017-8842
cve.org/CVERecord?id=CVE-2017-8842