Use After Free in Lcdf Gifsicle

CVE-2017-1000421

Gifsicle gifview 1.89 and older is vulnerable to a use-after-free in the read_gif function resulting potential code execution

Vulnerability class: Use-After-Free

EPSS: 0.027 (84.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Lcdf Gifsicle
Debian Debian_linux — versions 7.0, 8.0, 9.0
N/a — versions n/a

Weakness classification (CWE)

CWE-416 — Use After Free

References

cve@mitre.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
cve@mitre.org (x_refsource_CONFIRM, Patch, Third Party Advisory, Issue Tracking)

Frequently asked questions

What is CVE-2017-1000421?: CVE-2017-1000421 is a critical-severity vulnerability in Lcdf Gifsicle, classified under Use After Free. CVSS score: 9.8/10. Published 2018-01-02.
How severe is CVE-2017-1000421?: Critical severity. CVSS v3 base score is 9.8 out of 10.