CVE-2017-5340
Zend/zend_hash.c in PHP before 7.0.15 and 7.1.x before 7.1.1 mishandles certain cases that require large array allocations, which allows remote attackers to execute arbitrary code or cause a denial of
02 Description
Zend/zend_hash.c in PHP before 7.0.15 and 7.1.x before 7.1.1 mishandles certain cases that require large array allocations, which allows remote attackers to execute arbitrary code or cause a denial of
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- 16.69% probability of exploitation activity in the next 30 days.
- EPSS percentile
- Equal to or higher than the score of 96.7% of scored records. A rank, not a probability.
- NVD base score
- 9.8 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- NVD analysis status
- Modified. NVD last modified this record on 2026-06-17.
- Red Hat severity
- Moderate. Red Hat's rating for its own products, not a CVSS rating.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2017-01-11 06:02Z9 YR AGO
- Last updated
- 2024-08-05 14:55Z2 YR AGO
- Reserved
- 2017-01-11
- Assigning CNA
- mitre
- Record state
- PUBLISHED
- Severity
- Not rated by the issuing CNA
- CNA CVSS vector
- Not published by the issuing CNA
- Weaknesses
- Data version
- 5.1
- Document digest
- d36fc19fc42be40884ccc6311ccbfe0ceb5126b45b724567296f118462f5ef0a
05 Affected products
06 References
- github.comhttps://github.com/php/php-src/commit/4cc0286f2f3780abc6084bcdae5dce595daa3c12
- access.redhat.comRHSA-2018:1296https://access.redhat.com/errata/RHSA-2018:1296
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20180112-0001/
- www.securityfocus.com95371http://www.securityfocus.com/bid/95371
- bugs.php.nethttps://bugs.php.net/bug.php?id=73832
- www.securitytracker.com1037659http://www.securitytracker.com/id/1037659
07 Fixed in
Arch Linux
- php Fixed in 7.1.1-0
Source: Arch Linux Security Tracker, the Arch Linux security team. Reformatted by exploit.cc.
Ubuntu 16.04 LTS
- php7.0 Fixed in 7.0.15-0ubuntu0.16.04.2
Source: Ubuntu, Canonical Ltd. Licensed under CC BY-SA 4.0. Received through OSV.dev. Reformatted by exploit.cc.
A release or ecosystem missing from this list has no record here. It may be unaffected or not covered by the source. Source notices and licences.