CVE-2017-14502 [High] | Out-of-bounds Read in Libarchive

CVE-2017-14502 is rated Moderate Risk (62.7/100): CVSS High severity, with medium exploitation likelihood (EPSS 3.37%). EPSS rose +2.17% 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	1.20%	3.37%	+2.17%
2	2025-11-17	0.95%	1.20%	+0.25%
3	2025-09-01	—	0.95%	—

Date

Old EPSS score

New EPSS score

Delta (New - Old)

2026-06-15

1.20%

3.37%

+2.17%

2025-11-17

0.95%

1.20%

+0.25%

2025-09-01

—

0.95%

—

Base score	Version	Severity	Vector	Exploitability	Impact	Score source
7.5	3.0	HIGH	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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:N) Nobody has to click “OK” or open a trap file; it can work without a victim helping. 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.	3.9	3.6	[email protected]
5.0	2.0	MEDIUM	`AV:N/AC:L/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:L) Exploitation conditions are straightforward and predictable. 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.	10.0	2.9	[email protected]

Base score

Version

Severity

Vector

Exploitability

Impact

Score source

7.5

3.0

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/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:N): Nobody has to click “OK” or open a trap file; it can work without a victim helping.
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.

3.9

3.6

[email protected]

5.0

2.0

MEDIUM

AV:N/AC:L/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:L): Exploitation conditions are straightforward and predictable.
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.

10.0

2.9

[email protected]

OS Trackers for CVE-2017-14502

vendor	priority	summary	link
`debian`	not yet assigned	CVE-2017-14502 not yet assigned priority: Debian including 1 source packages (libarchive), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5.	https://security-tracker.debian.org/tracker/CVE-2017-14502
`gentoo`	normal	CVE-2017-14502: 1 GLSA(s) (201908-11), 1 atom(s) (app-arch/libarchive); latest impact normal.	https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2017-14502
`redhat`	medium	—	https://access.redhat.com/security/cve/CVE-2017-14502
`suse`	low	CVE-2017-14502 severity low: SUSE including 277 source package names (amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, amazon/suse-sles-15-sp1-chost-byos-v20220127-hvm-ssd-x86_64, …), 344 product×package rows across 62 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (62 product lines)): Known Affected 231, Fixed 99, Known Not Affected 14.	https://www.suse.com/security/cve/CVE-2017-14502/
`ubuntu`	negligible	CVE-2017-14502 negligible priority: Ubuntu including 1 source packages (libarchive), 7 status rows across 7 suites (artful, bionic, cosmic, trusty, upstream, xenial, zesty): released 3, ignored 2, needs-triage 1, not-affected 1.	https://ubuntu.com/security/CVE-2017-14502

Affected software / configurations for CVE-2017-14502

Vendor	Product	Version	Raw CPE
libarchive	libarchive	3.3.2	cpe:2.3:a:libarchive:libarchive:3.3.2:::::::*

References for CVE-2017-14502

URL	Tags
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=573	Issue Tracking Third Party Advisory
https://bugs.debian.org/875974	Issue Tracking Mailing List Third Party Advisory
https://github.com/libarchive/libarchive/commit/5562545b5562f6d12a4ef991fae158bf4ccf92b6	Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/11/msg00037.html
https://security.gentoo.org/glsa/201908-11
https://usn.ubuntu.com/3859-1/
https://www.debian.org/security/2018/dsa-4360

URL

CVE-2017-14502

Exploit prediction scoring system (EPSS) score for CVE-2017-14502

Common vulnerability scoring system (CVSS) metrics for CVE-2017-14502

Weakness enumeration for CVE-2017-14502

OS Trackers for CVE-2017-14502

Affected software / configurations for CVE-2017-14502

References for CVE-2017-14502