MEDIUM
php: DoS (excessive CPU consumption) by processing certain Zip archive files
Published Mar 20, 2011
4.3
MEDIUMCVSS 2.0
EPSS 13.19%
Description
Integer signedness error in zip_stream.c in the Zip extension in PHP before 5.3.6 allows context-dependent attackers to cause a denial of service (CPU consumption) via a malformed archive file that triggers errors in zip_fread function calls.
Affected products
No data.
No data.
Red Hat Enterprise Linux 5
php53-0:5.3.3-1.el5_7.3
Fixed · RHSA-2011:1423
Red Hat Enterprise Linux 6
php-0:5.3.3-3.el6_1.3
Fixed · RHSA-2011:1423
Red Hat Enterprise Linux 4
php
Not affected
Red Hat Enterprise Linux 5
php
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 5 | php53-0:5.3.3-1.el5_7.3 | Fixed | RHSA-2011:1423 |
| Red Hat Enterprise Linux 6 | php-0:5.3.3-3.el6_1.3 | Fixed | RHSA-2011:1423 |
| Red Hat Enterprise Linux 4 | php | Not affected | n/a |
| Red Hat Enterprise Linux 5 | php | Not affected | n/a |
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
4.3 MEDIUM NVD
AV:N/AC:M/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
13.19% 0.13189
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.13189
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (48 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 13.19% (0.13189) | 96.26th | v5 (v2026.06.15) |
| Jun 15, 2026 | 13.13% (0.13132) | 95.85th | v5 (v2026.06.15) |
| May 24, 2026 | 8.04% (0.08045) | 92.22th | v4 (v2025.03.14) |
| Feb 1, 2026 | 6.82% (0.06821) | 91.16th | v4 (v2025.03.14) |
| Jan 4, 2026 | 9.10% (0.09096) | 92.40th | v4 (v2025.03.14) |
| Jan 1, 2026 | 7.60% (0.07595) | 91.61th | v4 (v2025.03.14) |
| Dec 28, 2025 | 9.10% (0.09096) | 92.38th | v4 (v2025.03.14) |
| Dec 27, 2025 | 13.71% (0.13715) | 94.08th | v4 (v2025.03.14) |
| Dec 4, 2025 | 9.10% (0.09096) | 92.34th | v4 (v2025.03.14) |
| Dec 1, 2025 | 7.60% (0.07595) | 91.53th | v4 (v2025.03.14) |
| Nov 4, 2025 | 9.70% (0.09697) | 92.57th | v4 (v2025.03.14) |
| Nov 1, 2025 | 8.11% (0.08108) | 91.80th | v4 (v2025.03.14) |
| Oct 28, 2025 | 9.70% (0.09697) | 92.56th | v4 (v2025.03.14) |
| Oct 27, 2025 | 14.56% (0.14559) | 94.19th | v4 (v2025.03.14) |
| Oct 4, 2025 | 9.70% (0.09697) | 92.62th | v4 (v2025.03.14) |
| Oct 1, 2025 | 8.11% (0.08108) | 91.86th | v4 (v2025.03.14) |
| Sep 4, 2025 | 14.56% (0.14559) | 94.22th | v4 (v2025.03.14) |
| Sep 1, 2025 | 9.45% (0.09452) | 92.55th | v4 (v2025.03.14) |
| Aug 4, 2025 | 14.56% (0.14559) | 94.17th | v4 (v2025.03.14) |
| Aug 1, 2025 | 9.45% (0.09452) | 92.53th | v4 (v2025.03.14) |
| Jul 30, 2025 | 14.56% (0.14559) | 94.17th | v4 (v2025.03.14) |
| Jul 5, 2025 | 8.85% (0.08854) | 92.12th | v4 (v2025.03.14) |
| Jul 1, 2025 | 7.39% (0.07389) | 91.30th | v4 (v2025.03.14) |
| Jun 6, 2025 | 8.85% (0.08854) | 92.07th | v4 (v2025.03.14) |
| Jun 1, 2025 | 7.39% (0.07389) | 91.27th | v4 (v2025.03.14) |
| May 29, 2025 | 8.85% (0.08854) | 92.08th | v4 (v2025.03.14) |
| May 27, 2025 | 7.39% (0.07389) | 91.23th | v4 (v2025.03.14) |
| May 7, 2025 | 8.85% (0.08854) | 92.05th | v4 (v2025.03.14) |
| May 4, 2025 | 13.24% (0.13240) | 93.73th | v4 (v2025.03.14) |
| May 1, 2025 | 10.66% (0.10657) | 92.91th | v4 (v2025.03.14) |
| Apr 17, 2025 | 13.24% (0.13240) | 93.72th | v4 (v2025.03.14) |
| Apr 16, 2025 | 10.66% (0.10657) | 92.84th | v4 (v2025.03.14) |
| Apr 15, 2025 | 13.24% (0.13240) | 93.70th | v4 (v2025.03.14) |
| Apr 14, 2025 | 10.66% (0.10657) | 92.62th | v4 (v2025.03.14) |
| Apr 9, 2025 | 13.24% (0.13240) | 93.55th | v4 (v2025.03.14) |
| Apr 7, 2025 | 10.66% (0.10657) | 92.62th | v4 (v2025.03.14) |
| Apr 5, 2025 | 13.24% (0.13240) | 93.55th | v4 (v2025.03.14) |
| Apr 4, 2025 | 10.66% (0.10657) | 92.64th | v4 (v2025.03.14) |
| Mar 30, 2025 | 13.24% (0.13240) | 93.53th | v4 (v2025.03.14) |
| Mar 29, 2025 | 19.24% (0.19239) | 92.40th | v4 (v2025.03.14) |
| Mar 17, 2025 | 13.24% (0.13240) | 93.60th | v4 (v2025.03.14) |
| Feb 5, 2025 | 6.36% (0.06361) | 93.66th | v3 (v2023.03.01) |
| Dec 17, 2024 | 4.89% (0.04890) | 92.67th | v3 (v2023.03.01) |
| May 8, 2023 | 3.03% (0.03030) | 89.46th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.00% (0.03002) | 89.35th | v3 (v2023.03.01) |
| Mar 6, 2023 | 11.00% (0.10995) | 94.86th | v2 (v2022.01.01) |
| Apr 1, 2022 | 11.00% (0.10995) | 94.44th | v2 (v2022.01.01) |
| Feb 4, 2022 | 11.00% (0.10995) | 88.52th | v2 (v2022.01.01) |
Weaknesses (1)
References (14)
- http://bugs.php.net/bug.php?id=49072 x_refsource_CONFIRMExploitVendor Advisory
- http://lists.apple.com/archives/Security-announce/2011//Oct/msg00003.html vendor-advisoryx_refsource_APPLEMailing ListThird Party Advisory
- http://support.apple.com/kb/HT5002 x_refsource_CONFIRMThird Party Advisory
- http://www.debian.org/security/2011/dsa-2266 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:052 vendor-advisoryx_refsource_MANDRIVABroken Link
- http://www.mandriva.com/security/advisories?name=MDVSA-2011:053 vendor-advisoryx_refsource_MANDRIVABroken Link
- http://www.php.net/ChangeLog-5.php x_refsource_CONFIRMVendor Advisory
- http://www.redhat.com/support/errata/RHSA-2011-1423.html vendor-advisoryx_refsource_REDHATThird Party Advisory
- http://www.securityfocus.com/bid/46975 vdb-entryx_refsource_BIDThird Party AdvisoryVDB Entry
- http://www.vupen.com/english/advisories/2011/0744 vdb-entryx_refsource_VUPENPermissions Required
- https://access.redhat.com/security/cve/CVE-2011-1471 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=690915 Issue Tracking
- https://nvd.nist.gov/vuln/detail/CVE-2011-1471
- https://www.cve.org/CVERecord?id=CVE-2011-1471
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Mar 20, 2011
Updated Aug 6, 2024
Reserved Mar 19, 2011
Link CVE-2011-1471
CISA Vulnrichment
Updated n/a