CVE-2017-14107 [Medium] | Denial of Service in Libzip

CVE-2017-14107 is rated Moderate Risk (58.9/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 3.20%). EPSS rose +2.63% over the last day, indicating growing attacker interest. Review affected assets and schedule remediation.

#	Date	Old EPSS score	New EPSS score	Delta (New - Old)
1	2026-06-15	0.57%	3.20%	+2.63%
2	2026-05-27	0.65%	0.57%	-0.09%
3	2026-04-18	—	0.65%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

0.57%

3.20%

+2.63%

2026-05-27

0.65%

0.57%

-0.09%

2026-04-18

—

0.65%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
6.5	3.1	MEDIUM	`CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H` Click to expand Attack vector (AV:N) Could be attacked over the internet or any normal routed network—not just someone sitting at the machine. Attack complexity (AC:L) Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup. Privileges required (PR:N) No account or special rights needed—anonymous or random user is enough. User interaction (UI:R) A real person has to do something—click, install, enable—otherwise it doesn’t land. Scope (S:U) Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems. Confidentiality (C:N) Doesn’t really leak secrets in a meaningful way. Integrity (I:N) Data isn’t meaningfully altered or forged. Availability (A:H) Could take the service down hard or make it unusable for people who depend on it.	2.8	3.6	[email protected]
4.3	2.0	MEDIUM	`AV:N/AC:M/Au:N/C:N/I:N/A:P` Click to expand Access vector (AV:N) Can be exploited remotely over network reachability. Access complexity (AC:M) Exploitation needs some favorable conditions, but not exceptional ones. Authentication (AU:N) No authentication is required. Confidentiality impact (C:N) No confidentiality impact. Integrity impact (I:N) No integrity impact. Availability impact (A:P) Partial availability impact.	8.6	2.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

6.5

3.1

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Click to expand

Attack vector (AV:N): Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L): Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N): No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R): A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U): Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N): Doesn’t really leak secrets in a meaningful way.
Integrity (I:N): Data isn’t meaningfully altered or forged.
Availability (A:H): Could take the service down hard or make it unusable for people who depend on it.

2.8

3.6

[email protected]

4.3

2.0

MEDIUM

AV:N/AC:M/Au:N/C:N/I:N/A:P Click to expand

Access vector (AV:N): Can be exploited remotely over network reachability.
Access complexity (AC:M): Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N): No authentication is required.
Confidentiality impact (C:N): No confidentiality impact.
Integrity impact (I:N): No integrity impact.
Availability impact (A:P): Partial availability impact.

8.6

2.9

[email protected]

OS Trackers for CVE-2017-14107

vendor	priority	summary	link
`alpine`	—	CVE-2017-14107: 1 source package rows (libzip); 7 state rows across 7 repos (3.17-community, 3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 7, open 0.	https://security.alpinelinux.org/vuln/CVE-2017-14107
`debian`	low	CVE-2017-14107 low priority: Debian including 1 source packages (libzip), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2017-14107
`redhat`	low	—	https://access.redhat.com/security/cve/CVE-2017-14107
`suse`	medium	CVE-2017-14107 severity moderate: SUSE including 20 source package names (libzip, libzip-devel, …), 73 product×package rows across 43 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (43 product lines)): Fixed 43, Known Not Affected 30.	https://www.suse.com/security/cve/CVE-2017-14107/
`ubuntu`	low	CVE-2017-14107 low priority: Ubuntu including 2 source packages (libzip, php5), 32 status rows across 16 suites (artful, bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, trusty, upstream, xenial, zesty): DNE 12, not-affected 11, ignored 5, released 4.	https://ubuntu.com/security/CVE-2017-14107

Affected software / configurations for CVE-2017-14107

Vendor	Product	Version	Raw CPE
libzip	libzip	< 1.3.0	cpe:2.3:a:libzip:libzip::::::::
debian	debian_linux	9.0	cpe:2.3:o:debian:debian_linux:9.0:::::::*

References for CVE-2017-14107

URL	Tags
https://blogs.gentoo.org/ago/2017/09/01/libzip-memory-allocation-failure-in-_zip_cdir_grow-zip_dirent-c/	Patch Third Party Advisory VDB Entry
https://github.com/nih-at/libzip/commit/9b46957ec98d85a572e9ef98301247f39338a3b5	Issue Tracking Patch Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00022.html	Mailing List Third Party Advisory

URL

CVE-2017-14107

Exploit prediction scoring system (EPSS) score for CVE-2017-14107

Common vulnerability scoring system (CVSS) metrics for CVE-2017-14107

Weakness enumeration for CVE-2017-14107

OS Trackers for CVE-2017-14107

Affected software / configurations for CVE-2017-14107

References for CVE-2017-14107