Description
Off-by-one error in the phar_parse_pharfile function in ext/phar/phar.c in PHP before 5.6.30 and 7.0.x before 7.0.15 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via a crafted PHAR archive with an alias mismatch.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 8 | php5 | 5.6.30+dfsg-0+deb8u1 | DSA-3783-1 |
| Debian 7 | php5 | 5.4.45-0+deb7u7 | DLA-818-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | php7.0 | 7.0.15-0ubuntu0.16.04.2 | USN-3211-1 |
| Ubuntu 14.04 LTS | php5 | 5.5.9+dfsg-1ubuntu4.21 | USN-3196-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 3 | rh-php70-php +29 | 7.0.27-1.el6 | RHSA-2018:1296 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP2 | php5 | 5.5.14-96.1 | SUSE-SU-2017:0556-1 |
| SLES 12 SP2 | php7 | 7.0.7-35.1 | SUSE-SU-2017:0534-1 |
| SLES 12 SP1 | php5 | 5.5.14-96.1 | SUSE-SU-2017:0556-1 |
| SLES 12 SP1 | php7 | 7.0.7-35.1 | SUSE-SU-2017:0534-1 |
| SLES 12 | php5 | 5.5.14-96.1 | SUSE-SU-2017:0556-1 |
| SLES 12 | php7 | 7.0.7-35.1 | SUSE-SU-2017:0534-1 |
| SLES 11 SP4 | php53 | 5.3.17-101.1 | SUSE-SU-2017:0568-1 |
| SLES 11 SP3 | php53 | 5.3.17-101.1 | SUSE-SU-2017:0568-1 |
Show 5 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 11 SP4 | php53 | 5.3.17-101.1 | SUSE-SU-2017:0568-1 |
| SUSE OpenStack Cloud 5 | php53 | 5.3.17-101.1 | SUSE-SU-2017:0568-1 |
| SUSE Manager Proxy 2.1 | php53 | 5.3.17-101.1 | SUSE-SU-2017:0568-1 |
| SUSE Manager 2.1 | php53 | 5.3.17-101.1 | SUSE-SU-2017:0568-1 |
| SUSE Linux Enterprise Point of Sale 11 SP3 | php53 | 5.3.17-101.1 | SUSE-SU-2017:0568-1 |
Advisories 8
- RHSA-2018:1296 Red Hat Security Advisory: rh-php70-php security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- USN-3211-1 php7.0 vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- USN-3196-1 php5 vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-818-1 php5 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3783-1 php5 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2017:0534-1 Security update for php7 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0568-1 Security update for php53 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2017:0556-1 Security update for php5 SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://bugs.php.net/bug.php?id=73768
- RHSA-2018:1296 vendor-advisory
- http://php.net/ChangeLog-5.php
- https://security.netapp.com/advisory/ntap-20180112-0001/
- https://github.com/php/php-src/commit/b28b8b2fee6dfa6fcd13305c581bb835689ac3be
- https://www.tenable.com/security/tns-2017-04
- DSA-3783 vendor-advisory
- GLSA-201702-29 vendor-advisory
- http://php.net/ChangeLog-7.php
- 1037659 vdb-entry
- 95783 vdb-entry