CVE-2016-5873: php pecl_http
CVSS: 9.8v3.0CriticalModified
AliasesDEBIAN-CVE-2016-5873
Published 23-01-2017Last modified 06-08-2024
Vulnerability summary
CVE-2016-5873 is a critical (CVSS 9.8) vulnerability in php pecl_http. EPSS estimates a 4.70% chance of exploitation in the next 30 days, higher than 91.7% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
9.8/10
010
Critical · v3.0 (NVD)EPSS score
4.70%
0%100%
Low · +0.20 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Timeline
- 23-01-2017PublishedVulnerability first disclosed.
- 06-08-2024Last modifiedVulnerability information updated.
Description
Buffer overflow in the HTTP URL parsing functions in pecl_http before 3.0.1 might allow remote attackers to execute arbitrary code via non-printable characters in a URL.
CVSS metrics
3 scores · 2 sources · 2 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 2 agree
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 7.5Preferred score · NVD (NIST)
AV:N/AC:L/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
4.70%
Chance of exploitation in the next 30 days
Percentile
92%
Versus all other CVEs
30-day change
+0.20 pp
From 4.50% on 21-09-2026
21-09-202621-10-2026
EPSS score4.70%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugs.php.net)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian1 product
- php-pecl-http< 3.0.1-0.1
Php1 product
- pecl_http≤ 3.0.1
2 vendors · 2 products
References
9 links- www.openwall.com/lists/oss-security/2016/06/29/1Mailing ListX Refsource MLISTPatchThird Party Advisory
- security.netapp.com/advisory/ntap-20180112-0001/X Refsource CONFIRM
- github.com/m6w6/ext-http/commit/3724cd76a28be1d6049b5537232e97acX Refsource CONFIRMPatchVendor Advisory