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Vulnerability details: VCID-5ugq-c3fc-2qfr
Vulnerability ID VCID-5ugq-c3fc-2qfr
Aliases CVE-2018-1302
Summary When an HTTP/2 stream was destroyed after being handled, the Apache HTTP Server prior to version 2.4.33 could have written a NULL pointer potentially to an already freed memory. The memory pools maintained by the server make this vulnerabilty hard to trigger in usual configurations, the reporter and the team could not reproduce it outside debug builds, so it is classified as low risk.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (2)
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-476 NULL Pointer Dereference
System Score Found at
cvssv3 5.9 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-1302.json
epss 0.01627 https://api.first.org/data/v1/epss?cve=CVE-2018-1302
epss 0.01627 https://api.first.org/data/v1/epss?cve=CVE-2018-1302
epss 0.01627 https://api.first.org/data/v1/epss?cve=CVE-2018-1302
epss 0.09446 https://api.first.org/data/v1/epss?cve=CVE-2018-1302
epss 0.09446 https://api.first.org/data/v1/epss?cve=CVE-2018-1302
epss 0.09446 https://api.first.org/data/v1/epss?cve=CVE-2018-1302
epss 0.09446 https://api.first.org/data/v1/epss?cve=CVE-2018-1302
epss 0.09446 https://api.first.org/data/v1/epss?cve=CVE-2018-1302
epss 0.09446 https://api.first.org/data/v1/epss?cve=CVE-2018-1302
epss 0.09446 https://api.first.org/data/v1/epss?cve=CVE-2018-1302
epss 0.09446 https://api.first.org/data/v1/epss?cve=CVE-2018-1302
epss 0.09446 https://api.first.org/data/v1/epss?cve=CVE-2018-1302
epss 0.11784 https://api.first.org/data/v1/epss?cve=CVE-2018-1302
epss 0.12063 https://api.first.org/data/v1/epss?cve=CVE-2018-1302
epss 0.12063 https://api.first.org/data/v1/epss?cve=CVE-2018-1302
epss 0.12063 https://api.first.org/data/v1/epss?cve=CVE-2018-1302
cvssv3 5.6 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
apache_httpd low https://httpd.apache.org/security/json/CVE-2018-1302.json
cvssv2 4.3 https://nvd.nist.gov/vuln/detail/CVE-2018-1302
cvssv3 5.9 https://nvd.nist.gov/vuln/detail/CVE-2018-1302
archlinux Medium https://security.archlinux.org/AVG-664
Reference id Reference type URL
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-1302.json
https://api.first.org/data/v1/epss?cve=CVE-2018-1302
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-1302
https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
https://httpd.apache.org/security/vulnerabilities_24.html
https://lists.apache.org/thread.html/r15f9aa4427581a1aecb4063f1b4b983511ae1c9935e2a0a6876dad3c%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rd336919f655b7ff309385e34a143e41c503e133da80414485b3abcc9%40%3Ccvs.httpd.apache.org%3E
https://lists.apache.org/thread.html/rfcf929bd33a6833e3f0c35eebdad70d5060665f9c4e17ea467c66770%40%3Ccvs.httpd.apache.org%3E
https://security.netapp.com/advisory/ntap-20180601-0004/
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03909en_us
https://www.tenable.com/security/tns-2019-09
http://www.openwall.com/lists/oss-security/2018/03/24/5
http://www.securityfocus.com/bid/103528
http://www.securitytracker.com/id/1040567
1560625 https://bugzilla.redhat.com/show_bug.cgi?id=1560625
ASA-201804-4 https://security.archlinux.org/ASA-201804-4
AVG-664 https://security.archlinux.org/AVG-664
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:clustered_data_ontap:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:santricity_cloud_connector:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:santricity_cloud_connector:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:storage_automation_store:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:storage_automation_store:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:netapp:storagegrid:-:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.04:*:*:*:lts:*:*:*
CVE-2018-1302 https://httpd.apache.org/security/json/CVE-2018-1302.json
CVE-2018-1302 https://nvd.nist.gov/vuln/detail/CVE-2018-1302
RHSA-2019:0366 https://access.redhat.com/errata/RHSA-2019:0366
RHSA-2019:0367 https://access.redhat.com/errata/RHSA-2019:0367
USN-3783-1 https://usn.ubuntu.com/3783-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-1302.json
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L Found at https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-1302
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-1302
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.81194
EPSS Score 0.01627
Published At Aug. 1, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:29:05.030657+00:00 Apache HTTPD Importer Import https://httpd.apache.org/security/json/CVE-2018-1302.json 37.0.0