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Fencer Intel
high 7.5

CVE-2015-3307 json

The phar_parse_metadata function in ext/phar/phar.c in PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8 allows remote attacke…

published 2015-06-09 11 y ago modified 2026-06-17 4 mo ago also EUVD-2015-3353

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.7%
EPSS 6.7% chance of exploitation in 30 days, percentile 93%
public exploits
0
none known

Summary

The phar_parse_metadata function in ext/phar/phar.c in PHP before 5.4.40, 5.5.x before 5.5.24, and 5.6.x before 5.6.8 allows remote attackers to cause a denial of service (heap metadata corruption) or possibly have unspecified other impact via a crafted tar archive.

Patch / fix

  • php RHEL 6 5.3.3-46.el6_6
  • php-gd RHEL 6 5.3.3-46.el6_6
  • php-cli RHEL 6 5.3.3-46.el6_6
  • php-dba RHEL 6 5.3.3-46.el6_6
  • php-fpm RHEL 6 5.3.3-46.el6_6
  • php-pdo RHEL 6 5.3.3-46.el6_6
  • php-xml RHEL 6 5.3.3-46.el6_6
  • php-zts RHEL 6 5.3.3-46.el6_6

red hat advisories RHSA-2015:1218RHSA-2015:1066RHSA-2015:1186RHSA-2015:1135RHSA-2015:1187

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2015-3307 updated cvss 5.1

php: invalid pointer free() in phar_tar_process_metadata()

  • Red Hat Enterprise Linux 5 php53
    affected: no fix planned “Will not fix”
  • Red Hat Software Collections php54-php, php54-php-gd, php54-php-cli, php54-php-dba, php54-php-fpm, php54-php-pdo, +18 more
    affected: no fix available
  • Red Hat Enterprise Linux Client Optional (v. 7) php 5.4.16-36.el7_1, php-gd 5.4.16-36.el7_1, php-cli 5.4.16-36.el7_1, php-dba 5.4.16-36.el7_1, php-fpm 5.4.16-36.el7_1, php-pdo 5.4.16-36.el7_1, +18 more Red Hat Enterprise Linux ComputeNode Optional (v. 7) php 5.4.16-36.el7_1, php-gd 5.4.16-36.el7_1, php-cli 5.4.16-36.el7_1, php-dba 5.4.16-36.el7_1, php-fpm 5.4.16-36.el7_1, php-pdo 5.4.16-36.el7_1, +18 more
    fixed: vendor fix RHSA-2015:1135
  • Red Hat Enterprise Linux Desktop Optional (v. 6) php 5.3.3-46.el6_6, php-gd 5.3.3-46.el6_6, php-cli 5.3.3-46.el6_6, php-dba 5.3.3-46.el6_6, php-fpm 5.3.3-46.el6_6, php-pdo 5.3.3-46.el6_6, +20 more Red Hat Enterprise Linux HPC Node (v. 6) php 5.3.3-46.el6_6, php-cli 5.3.3-46.el6_6, php-common 5.3.3-46.el6_6 Red Hat Enterprise Linux HPC Node Optional (v. 6) php 5.3.3-46.el6_6, php-gd 5.3.3-46.el6_6, php-dba 5.3.3-46.el6_6, php-fpm 5.3.3-46.el6_6, php-pdo 5.3.3-46.el6_6, php-xml 5.3.3-46.el6_6, +18 more Red Hat Enterprise Linux Server (v. 6) php 5.3.3-46.el6_6, php-gd 5.3.3-46.el6_6, php-cli 5.3.3-46.el6_6, php-pdo 5.3.3-46.el6_6, php-xml 5.3.3-46.el6_6, php-ldap 5.3.3-46.el6_6, +6 more
    fixed: vendor fix RHSA-2015:1218
  • Red Hat Enterprise Linux Server (v. 7) php 5.4.16-36.el7_1, php 5.4.16-36.ael7b_1, php-gd 5.4.16-36.el7_1, php-cli 5.4.16-36.el7_1, php-pdo 5.4.16-36.el7_1, php-xml 5.4.16-36.el7_1, +22 more
    fixed: vendor fix RHSA-2015:1135
  • Red Hat Enterprise Linux Server Optional (v. 6) php-dba 5.3.3-46.el6_6, php-fpm 5.3.3-46.el6_6, php-zts 5.3.3-46.el6_6, php-imap 5.3.3-46.el6_6, php-intl 5.3.3-46.el6_6, php-snmp 5.3.3-46.el6_6, +8 more
    fixed: vendor fix RHSA-2015:1218
  • Red Hat Enterprise Linux Server Optional (v. 7) php-dba 5.4.16-36.el7_1, php-fpm 5.4.16-36.el7_1, php-intl 5.4.16-36.el7_1, php-snmp 5.4.16-36.el7_1, php-dba 5.4.16-36.ael7b_1, php-fpm 5.4.16-36.ael7b_1, +14 more
    fixed: vendor fix RHSA-2015:1135
  • Red Hat Enterprise Linux Workstation (v. 6) php 5.3.3-46.el6_6, php-gd 5.3.3-46.el6_6, php-cli 5.3.3-46.el6_6, php-pdo 5.3.3-46.el6_6, php-xml 5.3.3-46.el6_6, php-ldap 5.3.3-46.el6_6, +6 more
    fixed: vendor fix RHSA-2015:1218
show 7 more
  • Red Hat Enterprise Linux Workstation (v. 7) php 5.4.16-36.el7_1, php-gd 5.4.16-36.el7_1, php-cli 5.4.16-36.el7_1, php-pdo 5.4.16-36.el7_1, php-xml 5.4.16-36.el7_1, php-ldap 5.4.16-36.el7_1, +8 more
    fixed: vendor fix RHSA-2015:1135
  • Red Hat Enterprise Linux Workstation Optional (v. 6) php-dba 5.3.3-46.el6_6, php-fpm 5.3.3-46.el6_6, php-zts 5.3.3-46.el6_6, php-imap 5.3.3-46.el6_6, php-intl 5.3.3-46.el6_6, php-snmp 5.3.3-46.el6_6, +8 more
    fixed: vendor fix RHSA-2015:1218
  • Red Hat Enterprise Linux Workstation Optional (v. 7) php-dba 5.4.16-36.el7_1, php-fpm 5.4.16-36.el7_1, php-intl 5.4.16-36.el7_1, php-snmp 5.4.16-36.el7_1, php-bcmath 5.4.16-36.el7_1, php-pspell 5.4.16-36.el7_1, +4 more
    fixed: vendor fix RHSA-2015:1135
  • Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 6) php54 2.0-1.el6, php54-php 5.4.40-1.el6, php55-php 5.5.21-4.el6, php54-runtime 2.0-1.el6, php54-scldevel 2.0-1.el6, rh-php56-php 5.6.5-7.el6, +76 more Red Hat Software Collections for Red Hat Enterprise Linux Server (v. 7) php54 2.0-1.el7, php54-php 5.4.40-1.el7, php55-php 5.5.21-4.el7, php54-runtime 2.0-1.el7, php54-scldevel 2.0-1.el7, rh-php56-php 5.6.5-7.el7, +70 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.5) php54 2.0-1.el6, php54-php 5.4.40-1.el6, php55-php 5.5.21-4.el6, php54-runtime 2.0-1.el6, php54-scldevel 2.0-1.el6, rh-php56-php 5.6.5-7.el6, +76 more Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 6.6) php54 2.0-1.el6, php54-php 5.4.40-1.el6, php55-php 5.5.21-4.el6, php54-runtime 2.0-1.el6, php54-scldevel 2.0-1.el6, rh-php56-php 5.6.5-7.el6, +76 more
    fixed: vendor fix RHSA-2015:1066
  • Red Hat Software Collections for Red Hat Enterprise Linux Server EUS (v. 7.1) php55-php 5.5.21-4.el7, rh-php56-php 5.6.5-7.el7, php55-php-gd 5.5.21-4.el7, php55-php-cli 5.5.21-4.el7, php55-php-dba 5.5.21-4.el7, php55-php-fpm 5.5.21-4.el7, +44 more
    fixed: vendor fix RHSA-2015:1186
  • Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 6) php54 2.0-1.el6, php54-php 5.4.40-1.el6, php55-php 5.5.21-4.el6, php54-runtime 2.0-1.el6, php54-scldevel 2.0-1.el6, rh-php56-php 5.6.5-7.el6, +76 more Red Hat Software Collections for Red Hat Enterprise Linux Workstation (v. 7) php54 2.0-1.el7, php54-php 5.4.40-1.el7, php55-php 5.5.21-4.el7, php54-runtime 2.0-1.el7, php54-scldevel 2.0-1.el7, rh-php56-php 5.6.5-7.el7, +70 more
    fixed: vendor fix RHSA-2015:1066
  • Red Hat Enterprise Linux 5 php
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

6.65% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • bugzilla.redhat.com https://bugzilla.redhat.com/show_bug.cgi?id=1223441 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.