CVE-2018-1056
CVSS v3
7.8
HIGH
EPSS Score
1.4 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
An out-of-bounds heap buffer read flaw was found in the way advancecomp before 2.1-2018/02 handled processing of ZIP files. An attacker could potentially use this flaw to crash the advzip utility by tricking it into processing crafted ZIP files.
Technical details
- Published
- 2018-07-27
Frequently asked questions
What is CVE-2018-1056?
An out-of-bounds heap buffer read flaw was found in the way advancecomp before 2.1-2018/02 handled processing of ZIP files. An attacker could potentially use this flaw to crash the advzip utility by tricking it into processing crafted ZIP files.
Is CVE-2018-1056 actively exploited?
Active exploitation of CVE-2018-1056 has not been confirmed. Its EPSS score was 1.4% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2018-1056?
CVE-2018-1056 has a CVSS v3 base score of 7.8 (HIGH severity).
Is CVE-2018-1056 affecting your environment?
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