CVE-2017-17969
p7zip - security update
7.8
HIGH
CVSS 3.1
EPSS 1.8%
Description
Heap-based buffer overflow in the NCompress::NShrink::CDecoder::CodeReal method in 7-Zip before 18.00 and p7zip allows remote attackers to cause a denial of service (out-of-bounds write) or potentially execute arbitrary code via a crafted ZIP archive.
How to fix CVE-2017-17969
To remediate CVE-2017-17969, upgrade the affected package to a fixed version below.
- Alpine/p7zip—upgrade to 16.02-r2 or later
- —upgrade to 16.02+dfsg-5 or later
- —upgrade to 9.20.1~dfsg.1-4+deb7u3 or later
- —upgrade to 9.20.1~dfsg.1-4.1+deb8u3 or later
Is CVE-2017-17969 being exploited?
Low — EPSS is 1.8%, meaning exploitation activity has not been observed at scale.
Affected packages (4)
- from 0, < 16.02-r2
- from 0, < 16.02+dfsg-5
- from 0, < 9.20.1~dfsg.1-4+deb7u3
- from 0, < 9.20.1~dfsg.1-4.1+deb8u3
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |