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CVE-2021-45911

Published: 28 December 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.

Priority

Medium

Cvss 3 Severity Score

7.8

Score breakdown

Status

Package Release Status
gif2apng
Launchpad, Ubuntu, Debian
bionic
Released (1.9+srconly-2ubuntu0.1)
focal
Released (1.9+srconly-3ubuntu0.1)
hirsute Ignored
(reached end-of-life)
impish Ignored
(reached end-of-life)
trusty Ignored
(out of standard support)
upstream Needs triage

xenial
Released (1.7-3ubuntu0.1~esm1)

Severity score breakdown

Parameter Value
Base score 7.8
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality High
Integrity impact High
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H