Every CVE Search/ Get API key

CVE-2021-44568

Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the...

6.5 MediumFix available

Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve_dependencies function at src/solver.c (line 1940 & line 1995), which could cause a remote Denial of Service.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
Required

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
High

Exploit likelihood

1.79%Up 0.7 points since Feb 22, 2022
90%50%10%1%

What each source reports

NVD Score used 6.5

Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve_dependencies function at src/solver.c (line 1940 & line 1995), which could cause a remote Denial of Service.

Record
CVE-2021-44568
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/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-787
Updated
2026-11-02
CVE List No score

Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve_dependencies function at src/solver.c (line 1940 & line 1995), which could cause a remote Denial of Service.

Record
CVE-2021-44568
Updated
2026-11-02
EUVDEUVD-2021-31392 No score

Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve_dependencies function at src/solver.c (line 1940 & line 1995), which could cause a remote Denial of Service.

Record
EUVD-2021-31392
Updated
2026-11-03
GitHub AdvisoriesGHSA-wmfm-g4qc-662g 6.5

Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the...

Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve_dependencies function at src/solver.c (line 1940 & line 1995), which could cause a remote Denial of Service.

Record
GHSA-wmfm-g4qc-662g
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Weakness
CWE-787
Updated
2026-11-02
OSV 6.5

Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve_dependencies function at src/solver.c (line 1940 & line 1995), which could cause a remote Denial of Service.

Record
CVE-2021-44568
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVDEBIAN-CVE-2021-44568 6.5

Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve_dependencies function at src/solver.c (line 1940 & line 1995), which could cause a remote Denial of Service.

Record
DEBIAN-CVE-2021-44568
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
Show 4 moreShow less
OSVOESA-2022-1569 6.5

libsolv security update

A free package dependency solver using a satisfiability algorithm. The library is based on two major, but independent, blocks:

Security Fix(es):

Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve_dependencies function at src/solver.c (line 1940 & line 1995), which could cause a remote Denial of Service.(CVE-2021-44568)

A heap overflow vulnerability exisfts in openSUSE libsolv through 13 Dec 2020 in the prefer_suggested function at src/policy.c: line 442.(CVE-2021-44571)

Two heap-overflow vulnerabilities exist in openSUSE libsolv through 13 Dec 2020 bugs in the propagate function at src/solver.c: line 490 and 524.(CVE-2021-44577)

Two heap overflow vulnerabilities exist in oenSUSE libsolv through 13 Dec 2020 in the resolve_installed function at src/solver.c: line 1728 & 1766.(CVE-2021-44573)

A heap-overflow vulnerability exists in openSUSE libsolv through 13 Dec 2020 in the resolve_jobrules function at src/solver.c at line 1599.(CVE-2021-44574)

Two memory vulnerabilities exists in openSUSE libsolv through 13 Dec 2020 in the resolve_weak function at src/solver.c: line 2222 and 2249.(CVE-2021-44576)

A heap-buffer openSUSE libsolv through 13 Dec 2020 exists in the solver_solve function at src/solver.c: line 3445.(CVE-2021-44569)

Two heap-overflow vulnerabilities exists in openSUSE libsolv through 13 Dec 2020 in the makeruledecisions function at src/solver.c: line 147 and 307.(CVE-2021-44575)

Record
OESA-2022-1569
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRHSA-2022:5498 9.4

Red Hat Security Advisory: Satellite 6.11 Release

Record
RHSA-2022:5498
CVSS 3.1
9.4 CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L
Updated
2026-11-02
OSVUBUNTU-CVE-2021-44568 6.5

Two heap-overflow vulnerabilities exist in openSUSE/libsolv libsolv through 13 Dec 2020 in the decisionmap variable via the resolve_dependencies function at src/solver.c (line 1940 & line 1995), which could cause a remote Denial of Service.

Record
UBUNTU-CVE-2021-44568
CVSS 3.1
6.5 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Updated
2026-11-02
OSVRLSA-2022:5498 No score

Moderate: Satellite 6.11 Release

Rocky Enterprise Software Foundation Satellite is a systems management tool for Linux-based infrastructure. It allows for provisioning, remote management, and monitoring of multiple Linux deployments with a single centralized tool.

Security Fix(es):

  • libsolv: Heap-based buffer overflow in testcase_read() in src/testcase.c (CVE-2021-3200)
  • satellite: foreman: Authenticate remote code execution through Sendmail configuration (CVE-2021-3584)
  • candlepin: Allow unintended SCA certificate to authenticate Candlepin (CVE-2021-4142)
  • candlepin: netty: Information disclosure via the local system temporary directory (CVE-2021-21290)
  • candlepin: netty: Possible request smuggling in HTTP/2 due missing validation (CVE-2021-21295)
  • candlepin: netty: Request smuggling via content-length header (CVE-2021-21409)
  • tfm-rubygem-sidekiq: XSS via the queue name of the live-poll feature (CVE-2021-30151)
  • python-sqlparse: ReDoS via regular expression in StripComments filter (CVE-2021-32839)
  • libsolv: various flaws (CVE-2021-33928 CVE-2021-33929 CVE-2021-33930 CVE-2021-33938)
  • tfm-rubygem-puma: Inconsistent Interpretation of HTTP Requests in puma (CVE-2021-41136)
  • logback-classic: Remote code execution through JNDI call from within its configuration file (CVE-2021-42550)
  • candlepin: netty: Control chars in header names may lead to HTTP request smuggling (CVE-2021-43797)
  • python-lxml: HTML Cleaner allows crafted and SVG embedded scripts to pass through (CVE-2021-43818)
  • python3-django: Potential bypass of an upstream access control based on URL paths (CVE-2021-44420)
  • libsolv: Heap overflow (CVE-2021-44568)
  • python3-django: Various flaws (CVE-2021-45115 CVE-2021-45116 CVE-2021-45452 CVE-2022-22818)
  • tfm-rubygem-actionpack: Information leak between requests (CVE-2022-23633)
  • tfm-rubygem-puma: rubygem-rails: Information leak between requests (CVE-2022-23634)
  • python3-django: Denial-of-service possibility in file uploads (CVE-2022-23833)
  • tfm-rubygem-sidekiq: WebUI Denial of Service caused by number of days on graph (CVE-2022-23837)
  • python3-django: Various flaws (CVE-2022-28346 CVE-2022-28347)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Additional Changes:

  • New repo layout for Satellite, Utils, Maintenance, and Client repos.
  • Support for Rocky Linux 9 clients
  • Module-based installation on Rocky Linux 8
  • Upgrading Satellite Server and Capsule Server installations from Rocky Linux 7 to Rocky Linux 8
  • Connected and Disconnected servers supported on Rocky Linux 7 and Rocky Linux 8
  • Inter-Server Synchronization improvements
  • Puppet integration optional and disabled by default
  • Pulp 3 updated to Python 3.8
  • Change to Capsule certificate archive
  • New default port for communication with Rocky Enterprise Software Foundation Subscription Management * (RHSM) API on Capsule servers
  • New Content Views Page (Content Publication workflow simplification)
  • New Hosts Page (Technology Preview)
  • Registration and preview templates
  • Simplified host content source changing
  • Improved behavior for configuring and running remote jobs
  • Provisioning improvements
  • New error signaling unsupported options in TASK-Filter
  • Virt-who configuration enhanced to support Nutanix AHV
  • Cloud Connector configuration updated
  • Improved Insights adoption

The items above are not a complete list of changes. This update also fixes several bugs and adds various enhancements. Documentation for these changes is available from the Release Notes document linked to in the References section.

Record
RLSA-2022:5498
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
libsolv
Debian:12
before 0.7.17-1
0.7.17-1
libsolv
Debian:13
before 0.7.17-1
0.7.17-1
libsolv
Debian:14
before 0.7.17-1
0.7.17-1
libsolv
openEuler:20.03-LTS-SP1
before 0.7.14-5.oe1
0.7.14-5.oe1
libsolv
openEuler:20.03-LTS-SP2
before 0.7.14-6.oe1
0.7.14-6.oe1
libsolv
openEuler:20.03-LTS-SP3
before 0.7.14-6.oe1
0.7.14-6.oe1
libsolv
Red Hat:satellite_capsule:6.11::el7
before 0:0.7.22-1.el7pc
0:0.7.22-1.el7pc
libsolv
Red Hat:satellite:6.11::el7
before 0:0.7.22-1.el7pc
0:0.7.22-1.el7pc
libsolv
Red Hat:satellite_capsule:6.11::el8
before 0:0.7.22-1.el8pc
0:0.7.22-1.el8pc
libsolv
Red Hat:satellite:6.11::el8
before 0:0.7.22-1.el8pc
0:0.7.22-1.el8pc
Show 35 moreShow less
Affected packages
PackageAffectedFixed
foreman
Red Hat:satellite_capsule:6.11::el7
before 0:3.1.1.21-2.el7sat
0:3.1.1.21-2.el7sat
foreman
Red Hat:satellite_utils:6.11::el7
before 0:3.1.1.21-2.el7sat
0:3.1.1.21-2.el7sat
foreman
Red Hat:satellite:6.11::el7
before 0:3.1.1.21-2.el7sat
0:3.1.1.21-2.el7sat
foreman
Red Hat:satellite_capsule:6.11::el8
before 0:3.1.1.21-2.el8sat
0:3.1.1.21-2.el8sat
foreman
Red Hat:satellite_utils:6.11::el8
before 0:3.1.1.21-2.el8sat
0:3.1.1.21-2.el8sat
foreman
Red Hat:satellite:6.11::el8
before 0:3.1.1.21-2.el8sat
0:3.1.1.21-2.el8sat
satellite
Red Hat:satellite_capsule:6.11::el7
before 0:6.11.0-2.el7sat
0:6.11.0-2.el7sat
satellite
Red Hat:satellite_utils:6.11::el7
before 0:6.11.0-2.el7sat
0:6.11.0-2.el7sat
satellite
Red Hat:satellite:6.11::el7
before 0:6.11.0-2.el7sat
0:6.11.0-2.el7sat
satellite
Red Hat:satellite_capsule:6.11::el8
before 0:6.11.0-2.el8sat
0:6.11.0-2.el8sat
satellite
Red Hat:satellite_utils:6.11::el8
before 0:6.11.0-2.el8sat
0:6.11.0-2.el8sat
satellite
Red Hat:satellite:6.11::el8
before 0:6.11.0-2.el8sat
0:6.11.0-2.el8sat
candlepin
Red Hat:satellite:6.11::el7
before 0:4.1.13-1.el7sat
0:4.1.13-1.el7sat
candlepin
Red Hat:satellite:6.11::el8
before 0:4.1.13-1.el8sat
0:4.1.13-1.el8sat
tfm-rubygem-sidekiq
Red Hat:satellite:6.11::el7
before 0:5.2.10-1.el7sat
0:5.2.10-1.el7sat
python-sqlparse
Red Hat:satellite_capsule:6.11::el8
before 0:0.4.2-2.el8pc
0:0.4.2-2.el8pc
python-sqlparse
Red Hat:satellite:6.11::el8
before 0:0.4.2-2.el8pc
0:0.4.2-2.el8pc
tfm-rubygem-puma
Red Hat:satellite:6.11::el7
before 0:5.6.2-1.el7sat
0:5.6.2-1.el7sat
rubygem-puma
Red Hat:satellite:6.11::el8
before 0:5.6.2-1.el8sat
0:5.6.2-1.el8sat
python-lxml
Red Hat:satellite_capsule:6.11::el8
before 0:4.7.1-1.el8pc
0:4.7.1-1.el8pc
python-lxml
Red Hat:satellite:6.11::el8
before 0:4.7.1-1.el8pc
0:4.7.1-1.el8pc
python-django
Red Hat:satellite_capsule:6.11::el8
before 0:3.2.13-1.el8pc
0:3.2.13-1.el8pc
python-django
Red Hat:satellite:6.11::el8
before 0:3.2.13-1.el8pc
0:3.2.13-1.el8pc
python38-django
Red Hat:satellite_capsule:6.11::el8
before 0:3.2.13-1.el8pc
0:3.2.13-1.el8pc
python38-django
Red Hat:satellite:6.11::el8
before 0:3.2.13-1.el8pc
0:3.2.13-1.el8pc
tfm-rubygem-actionpack
Red Hat:satellite:6.11::el7
before 0:6.0.4.7-1.el7sat
0:6.0.4.7-1.el7sat
rubygem-actionpack
Red Hat:satellite:6.11::el8
before 0:6.0.4.7-1.el8sat
0:6.0.4.7-1.el8sat
tfm-rubygem-puma-debuginfo
Red Hat:satellite:6.11::el7
before 0:5.6.2-1.el7sat
0:5.6.2-1.el7sat
rubygem-puma-debuginfo
Red Hat:satellite:6.11::el8
before 0:5.6.2-1.el8sat
0:5.6.2-1.el8sat
rubygem-puma-debugsource
Red Hat:satellite:6.11::el8
before 0:5.6.2-1.el8sat
0:5.6.2-1.el8sat
rubygem-sidekiq
Red Hat:satellite:6.11::el8
before 0:5.2.10-1.el8sat
0:5.2.10-1.el8sat
libdb
Rocky Linux:8
before 0:5.3.28-42.el8_4
0:5.3.28-42.el8_4
libsolv
Ubuntu:Pro:16.04:LTS
All versions, plus listed versions
0.6.11-10.6.11-1build10.6.11-1.10.6.11-1.1ubuntu0.1~esm1
None known
libsolv
Ubuntu:Pro:18.04:LTS
All versions, plus listed versions
0.6.28-2build10.6.30-1build10.6.30-1ubuntu0.1~esm1
None known
libsolv
Ubuntu:20.04:LTS
All versions, plus listed versions
0.6.35-2ubuntu10.6.35-2ubuntu20.6.36-10.6.36-2
None known

History

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

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

In short

CVE-2021-44568 is a medium vulnerability (CVSS 6.5) in Opensuse Libsolv, published February 21, 2022. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.79%, the 78th percentile. Fixed in libsolv 0.7.17-1.

References

Show 194 moreShow less
This page doesn't list everything

Left out here: 394 references. The JSON record has them.

MoveEnter Open