Home > Vulnerability Database > CVE-2020-29367

Mend.io Vulnerability Database

New vulnerability? Tell us about it!

CVE-2020-29367

Date: November 27, 2020

blosc2.c in Blosc C-Blosc2 through 2.0.0.beta.5 has a heap-based buffer overflow when there is a lack of space to write compressed data.

Language: C

Severity Score

7.8

Related Resources (7)

Url: https://github.com/Blosc/c-blosc2/commit/c4c6470e88210afc95262c8b9fcc27e30ca043ee

Url: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26442

Url: https://github.com/pypa/advisory-database/tree/main/vulns/blosc2/PYSEC-2020-343.yaml

Url: https://github.com/Blosc/python-blosc2/releases/tag/v0.1.7

Url: https://github.com/Blosc/python-blosc2

Url: https://nvd.nist.gov/vuln/detail/CVE-2020-29367

Url: https://www.mend.io/vulnerability-database/CVE-2020-29367

Severity Score

7.8

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:	7.8
Attack Vector (AV):	LOCAL
Attack Complexity (AC):	LOW
Privileges Required (PR):	NONE
User Interaction (UI):	REQUIRED
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	9.3
Access Vector (AV):	NETWORK
Access Complexity (AC):	MEDIUM
Authentication (AU):	NONE
Confidentiality (C):	COMPLETE
Integrity (I):	COMPLETE
Availability (A):	COMPLETE
Additional information:

Do you need more information?

Contact Us