Buffer overflow in Google Android
CVE-2021-0561
In append_to_verify_fifo_interleaved_ of stream_encoder.c, there is a possible out of bounds write due to a missing bounds check. This could lead to local information disclosure with no additional execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android-11Android ID: A-174302683
Vulnerability class: Buffer Overflow
EPSS: 0.005 (37.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
Affected products
- Google Android — versions 11.0
- Debian Debian_linux — versions 9.0, 10.0
- Fedoraproject Fedora — versions 35, 36
- N/a Android — versions Android-11
Weakness classification (CWE)
Public proof-of-concept exploits
References
- security@android.com (Patch, x_refsource_MISC, Vendor Advisory)
- security@android.com (x_refsource_FEDORA, vendor-advisory)
- security@android.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@android.com (x_refsource_FEDORA, vendor-advisory)
- security@android.com (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-0561?
- CVE-2021-0561 is a medium-severity vulnerability in Google Android, classified under Out-of-bounds Write. CVSS score: 5.5/10. Published 2021-06-22.
- How severe is CVE-2021-0561?
- Medium severity. CVSS v3 base score is 5.5 out of 10.
- Is CVE-2021-0561 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.