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CVE-2021-45911

Date: December 27, 2021

An issue was discovered in gif2apng 1.9. There is a heap-based buffer overflow in the main function. It allows an attacker to write 2 bytes outside the boundaries of the buffer.

Severity Score

8.8

Related Resources (6)

Url: https://nvd.nist.gov/vuln/detail/CVE-2021-45911

Url: https://people.canonical.com/~ubuntu-security/cve/CVE-2021-45911

Url: https://security-tracker.debian.org/tracker/CVE-2021-45911

Url: https://lists.debian.org/debian-lts-announce/2022/03/msg00008.html

Url: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=1002687

Url: https://www.mend.io/vulnerability-database/CVE-2021-45911

Severity Score

8.8

Weakness Type (CWE)

Out-of-bounds Write

CWE-787

CVSS v3.1

Base Score:	8.8
Attack Vector (AV):	NETWORK
Attack Complexity (AC):	LOW
Privileges Required (PR):	LOW
User Interaction (UI):	NONE
Scope (S):	UNCHANGED
Confidentiality (C):	HIGH
Integrity (I):	HIGH
Availability (A):	HIGH

CVSS v2

Base Score:	8.6
Access Vector (AV):
Access Complexity (AC):
Authentication (AU):
Confidentiality (C):	NONE
Integrity (I):	HIGH
Availability (A):	NONE
Additional information:

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