CVE-2020-21677

A heap-based buffer overflow in the sixel_encoder_output_without_macro function in encoder.c of Libsixel 1.8.4 allows attackers to cause a denial of service…

published August 10, 2021

CVSS
—
EPSS
1%
Percentile
59.4
In the wild
Unconfirmed
What it is

A heap-based buffer overflow in the sixel_encoder_output_without_macro function in encoder.c of Libsixel 1.8.4 allows attackers to cause a denial of service (DOS) via converting a crafted PNG file into Sixel format.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00904 · 59.4th percentile
Published
2021-08-10T20:19Z
EPSS history
Timeline
  • 10 AUG 20:19Z
    A heap-based buffer overflow in the sixel_encoder_output_without_macro function in encoder.c of Libsixel 1.8.4 allows attackers to cause a denial of service…
    cvelistv5