CVE-2016-10161: php Out-of-bounds Read
Vulnerability summary
CVE-2016-10161 is a high (CVSS 7.5) Out-of-bounds Read vulnerability in php. EPSS estimates a 13.31% chance of exploitation in the next 30 days, higher than 96.4% of scored vulnerabilities.
Severe, CVSS 7.5 (NVD); no exploitation reported by the 5 checked sources; EPSS 13% (FIRST, 03-11-2026)
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 9 · Related 5Timeline
- 24-01-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
The object_common1 function in ext/standard/var_unserializer.c in PHP before 5.6.30, 7.0.x before 7.0.15, and 7.1.x before 7.1.1 allows remote attackers to cause a denial of service (buffer over-read and application crash) via crafted serialized data that is mishandled in a finish_nested_data call.
CVSS metrics
3 scores · 2 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
13.31%
Chance of exploitation in the next 30 days
Percentile
96%
Versus all other CVEs
30-day change
No change 0.00 pp
From 13.31% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu2 products
- php5< 5.5.9+dfsg-1ubuntu4.21
- php7.0< 7.0.15-0ubuntu0.16.04.2
Php1 product
- phpEOL≤ 5.6.29 | 7.0.0 | 7.0.1 | 7.0.2 | 7.0.3 | 7.0.4 | 7.0.5 | 7.0.6 | 7.0.7 | 7.0.8 | 7.0.9 | 7.0.10 | 7.0.11 | 7.0.12 | 7.0.13 | 7.0.14 | 7.1.0
2 vendors · 3 products
References
15 links- github.com/php/php-src/commit/16b3003ffc6393e250f069aa28a78dc5a2c064b2X Refsource CONFIRMIssue TrackingPatchThird Party Advisory
- security.netapp.com/advisory/ntap-20180112-0001/X Refsource CONFIRM
- www.tenable.com/security/tns-2017-04X Refsource CONFIRM
