CVE-2019-9675

An issue was discovered in PHP 7.x before 7.1.27 and 7.3.x before 7.3.3. phar_tar_writeheaders_int in ext/phar/tar.c has a buffer overflow via a long link value. NOTE: The vendor indicates that the link value is used only when an archive contains a symlink, which currently cannot happen: "This issue allows theoretical compromise of security, but a practical attack is usually impossible.

Published: 2019-03-11 Last update: 2026-06-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2019-9675 is rated High Risk (69.7/100): CVSS High severity, with high exploitation likelihood (EPSS 6.02%, 92th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. EPSS rose +5.53% over the last day, indicating growing attacker interest. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2019-9675

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.49% 6.02% +5.53%
2 2026-03-04 0.66% 0.49% -0.17%
3 2026-03-01 0.66%

Full EPSS history (57 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2019-9675

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
8.1 3.0 HIGH
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/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:H)
Even with access, the exploit needs extra luck, timing, or a fussy environment to actually work.
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:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
2.2 5.9 [email protected]
6.8 2.0 MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/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:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
8.6 6.4 [email protected]

Weakness enumeration for CVE-2019-9675

OS Trackers for CVE-2019-9675

vendor priority summary link
redhat https://access.redhat.com/security/cve/CVE-2019-9675
suse medium CVE-2019-9675 severity moderate: SUSE including 822 source package names (apache2-mod_php5-5.5.14-109.58.1, apache2-mod_php53-5.3.17-112.58.1, …), 1531 product×package rows across 41 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (41 product lines)): Fixed 1479, Known Not Affected 52. https://www.suse.com/security/cve/CVE-2019-9675/
ubuntu low CVE-2019-9675 low priority: Ubuntu including 4 source packages (php5, php7.0, php7.2, php7.3), 24 status rows across 6 suites (bionic, cosmic, disco, trusty, upstream, xenial): DNE 15, released 7, needs-triage 2. https://ubuntu.com/security/CVE-2019-9675

Affected software / configurations for CVE-2019-9675

Vendor Product Version Raw CPE
php php >= 7.0.0, < 7.1.27 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
php php >= 7.3.0, < 7.3.3 cpe:2.3:a:php:php:*:*:*:*:*:*:*:*
canonical ubuntu_linux 12.04 cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:*
canonical ubuntu_linux 14.04 cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
opensuse leap 42.3 cpe:2.3:o:opensuse:leap:42.3:*:*:*:*:*:*:*

References for CVE-2019-9675

cvelogic Threat Intelligence