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7.8
HIGH CVSS 3.1
CVE-2022-47021
Xiph Opusfile Null Pointer Dereference Denial of Service
Description

A null pointer dereference issue was discovered in functions op_get_data and op_open1 in opusfile.c in xiph opusfile 0.9 thru 0.12 allows attackers to cause denial of service or other unspecified impacts.

INFO

Published Date :

Jan. 20, 2023, 7:15 p.m.

Last Modified :

April 3, 2025, 4:15 p.m.

Remotely Exploit :

No

Source :

[email protected]
Affected Products

The following products are affected by CVE-2022-47021 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Fedoraproject fedora
1 Xiph opusfile
: Total Affected Vendor : 2 | Products : 2
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 HIGH [email protected]
CVSS 3.1 HIGH 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Update the affected packages to address a null pointer dereference vulnerability.
  • Update affected opusfile packages.
  • Update affected libopusfile packages.
Public PoC/Exploit Available at Github

CVE-2022-47021 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2022-47021.

URL Resource
https://github.com/xiph/opusfile/commit/0a4cd796df5b030cb866f3f4a5e41a4b92caddf5 Patch Third Party Advisory
https://github.com/xiph/opusfile/issues/36 Exploit Issue Tracking Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ODIA6QRIRBNF2HRXOE5VCZ2AFP4ZB4R/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4LIKBLOE433RA44YTYUZLED4IOWJG5DV/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ED4CWLBR2WQ2IXXTHZ24UYZBRNCLMJXH/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYPAQANM2ZNPXRBFOS5NFXNJ7O4Q3OBD/
https://github.com/xiph/opusfile/commit/0a4cd796df5b030cb866f3f4a5e41a4b92caddf5 Patch Third Party Advisory
https://github.com/xiph/opusfile/issues/36 Exploit Issue Tracking Patch Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ODIA6QRIRBNF2HRXOE5VCZ2AFP4ZB4R/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4LIKBLOE433RA44YTYUZLED4IOWJG5DV/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ED4CWLBR2WQ2IXXTHZ24UYZBRNCLMJXH/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYPAQANM2ZNPXRBFOS5NFXNJ7O4Q3OBD/
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-47021 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-47021 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
DiRaltvein/memory-corruption-examples

None

C JavaScript C++ SWIG Makefile Shell HTML

Updated: 5 months, 4 weeks ago
2 stars 0 fork 0 watcher
Born at : June 7, 2024, 3:37 p.m. This repo has been linked 150 different CVEs too.
Profile Photo
fusion-scan/fusion-scan.github.io

This website collects the bugs detected by our static code analyzers, Pinpoint and Fusion.

HTML

Updated: 1 week, 6 days ago
7 stars 6 fork 6 watcher
Born at : Feb. 23, 2020, 7:34 a.m. This repo has been linked 11 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-47021 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2022-47021 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Apr. 03, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Added CWE CWE-476
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://github.com/xiph/opusfile/commit/0a4cd796df5b030cb866f3f4a5e41a4b92caddf5
    Added Reference https://github.com/xiph/opusfile/issues/36
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ODIA6QRIRBNF2HRXOE5VCZ2AFP4ZB4R/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4LIKBLOE433RA44YTYUZLED4IOWJG5DV/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ED4CWLBR2WQ2IXXTHZ24UYZBRNCLMJXH/
    Added Reference https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYPAQANM2ZNPXRBFOS5NFXNJ7O4Q3OBD/
  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ED4CWLBR2WQ2IXXTHZ24UYZBRNCLMJXH/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4LIKBLOE433RA44YTYUZLED4IOWJG5DV/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/MYPAQANM2ZNPXRBFOS5NFXNJ7O4Q3OBD/ [No types assigned]
    Added Reference MITRE https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/2ODIA6QRIRBNF2HRXOE5VCZ2AFP4ZB4R/ [No types assigned]
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/4LIKBLOE433RA44YTYUZLED4IOWJG5DV/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/ED4CWLBR2WQ2IXXTHZ24UYZBRNCLMJXH/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/MYPAQANM2ZNPXRBFOS5NFXNJ7O4Q3OBD/
    Removed Reference MITRE https://lists.fedoraproject.org/archives/list/[email protected]/message/2ODIA6QRIRBNF2HRXOE5VCZ2AFP4ZB4R/
  • CVE Modified by [email protected]

    Feb. 10, 2023

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/MYPAQANM2ZNPXRBFOS5NFXNJ7O4Q3OBD/ [No Types Assigned]
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/2ODIA6QRIRBNF2HRXOE5VCZ2AFP4ZB4R/ [No Types Assigned]
  • Modified Analysis by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/4LIKBLOE433RA44YTYUZLED4IOWJG5DV/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/4LIKBLOE433RA44YTYUZLED4IOWJG5DV/ Mailing List, Third Party Advisory
    Changed Reference Type https://lists.fedoraproject.org/archives/list/[email protected]/message/ED4CWLBR2WQ2IXXTHZ24UYZBRNCLMJXH/ No Types Assigned https://lists.fedoraproject.org/archives/list/[email protected]/message/ED4CWLBR2WQ2IXXTHZ24UYZBRNCLMJXH/ Mailing List, Third Party Advisory
    Added CPE Configuration OR *cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* *cpe:2.3:o:fedoraproject:fedora:37:*:*:*:*:*:*:*
  • CVE Modified by [email protected]

    Feb. 02, 2023

    Action Type Old Value New Value
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/4LIKBLOE433RA44YTYUZLED4IOWJG5DV/ [No Types Assigned]
    Added Reference https://lists.fedoraproject.org/archives/list/[email protected]/message/ED4CWLBR2WQ2IXXTHZ24UYZBRNCLMJXH/ [No Types Assigned]
  • Initial Analysis by [email protected]

    Jan. 27, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
    Changed Reference Type https://github.com/xiph/opusfile/commit/0a4cd796df5b030cb866f3f4a5e41a4b92caddf5 No Types Assigned https://github.com/xiph/opusfile/commit/0a4cd796df5b030cb866f3f4a5e41a4b92caddf5 Patch, Third Party Advisory
    Changed Reference Type https://github.com/xiph/opusfile/issues/36 No Types Assigned https://github.com/xiph/opusfile/issues/36 Exploit, Issue Tracking, Patch, Third Party Advisory
    Added CWE NIST CWE-476
    Added CPE Configuration OR *cpe:2.3:a:xiph:opusfile:*:*:*:*:*:*:*:* versions from (including) 0.9 up to (including) 0.12
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 7.8
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact
Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.07 }} -0.02%

score

0.22387

percentile