CVE-2021-33938: Buffer Overflow
First published: Sun Dec 13 2020(Updated: )
A flaw was found in libsolv. A buffer overflow vulnerability in the prune_to_recommend function allows attackers to cause a denial of service. The highest threat from this vulnerability is to system availability.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/libsolv | <0:0.7.16-3.el8_4 | 0:0.7.16-3.el8_4 |
| redhat/libsolv | <0:0.7.22-1.el7 | 0:0.7.22-1.el7 |
| redhat/libsolv | <0:0.7.22-1.el8 | 0:0.7.22-1.el8 |
| Opensuse Libsolv | <=0.7.17 | |
| IBM QRadar SIEM | <=7.5.0 GA | |
| IBM QRadar SIEM | <=7.4.3 GA - 7.4.3 FP4 | |
| IBM QRadar SIEM | <=7.3.3 GA - 7.3.3 FP10 |
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Reference Links
- https://exchange.xforce.ibmcloud.com/vulnerabilities/208663
- https://www.ibm.com/support/pages/node/6574787 (Advisory)
- https://github.com/openSUSE/libsolv/issues/420
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2000708
- https://github.com/openSUSE/libsolv/commit/0077ef29eb46d2e1df2f230fc95a1d9748d49dec
- https://access.redhat.com/errata/RHSA-2021:4060
- https://access.redhat.com/security/cve/cve-2021-33938
- https://access.redhat.com/errata/RHSA-2022:5498
- https://bugzilla.redhat.com/show_bug.cgi?id=2000707
- https://www.cve.org/CVERecord?id=CVE-2021-33938 https://nvd.nist.gov/vuln/detail/CVE-2021-33938
Frequently Asked Questions
What is the vulnerability ID of this vulnerability?
The vulnerability ID of this vulnerability is CVE-2021-33938.
What is the severity of CVE-2021-33938?
CVE-2021-33938 has a severity rating of high (7).
What is the affected software of CVE-2021-33938?
The affected software of CVE-2021-33938 includes libsolv 0.7.16-3.el8_4, libsolv 0.7.22-1.el7, and libsolv 0.7.22-1.el8.
How can CVE-2021-33938 be exploited?
CVE-2021-33938 can be exploited by an attacker to cause a denial of service.
Are there any remedies available for CVE-2021-33938?
Yes, there are remedies available for CVE-2021-33938 depending on the affected software. Please refer to the provided references for more information.
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- agent/softwarecombine
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- collector/redhat-bugzilla
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- alias/CVE-2021-33938
- agent/software-canonical-lookup
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- source/IBM
- agent/weakness
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- collector/mitre-cve
- source/MITRE
- package-manager/redhat
- vendor/opensuse
- canonical/opensuse libsolv
- version/opensuse libsolv/0.7.17
- vendor/ibm
- canonical/ibm qradar siem
- version/ibm qradar siem/7.5.0 ga
- version/ibm qradar siem/7.4.3 ga - 7.4.3 fp4
- version/ibm qradar siem/7.3.3 ga - 7.3.3 fp10