NULL pointer dereference in Xiph Opusfile
CVE-2022-47021
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.004 (30.6th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 31st percentile — 30.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
- Xiph Opusfile
- Fedoraproject Fedora — versions 36, 37
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/xiph/opusfile/issues/36 (Exploit, Patch, Third Party Advisory, Issue Tracking)
- github.com/xiph/opusfile/commit/0a4cd796df5b030cb866f3f4a5e41a4b92caddf5 (Patch, Third Party Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
Frequently asked questions
- What is CVE-2022-47021?
- CVE-2022-47021 is a high-severity vulnerability in Xiph Opusfile, classified under NULL Pointer Dereference. CVSS score: 7.8/10. Published 2023-01-20.
- How severe is CVE-2022-47021?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2022-47021 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.