CVE-2019-5087

high

Description

An exploitable integer overflow vulnerability exists in the flattenIncrementally function in the xcf2png and xcf2pnm binaries of xcftools 1.0.7. An integer overflow can occur while calculating the row's allocation size, that could be exploited to corrupt memory and eventually execute arbitrary code. In order to trigger this vulnerability, a victim would need to open a specially crafted XCF file.

References

https://www.talosintelligence.com/vulnerability_reports/TALOS-2019-0879

https://talosintelligence.com/vulnerability_reports/TALOS-2019-0879

https://lists.debian.org/debian-lts-announce/2021/03/msg00008.html

https://lists.debian.org/debian-lts-announce/2021/02/msg00014.html

Details

Source: Mitre, NVD

Published: 2019-11-21

Updated: 2022-06-21

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Severity: High