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Vulnerability details: VCID-2ttq-yhxb-qba3
Vulnerability ID VCID-2ttq-yhxb-qba3
Aliases CVE-2019-0196
Summary Using fuzzed network input, the http/2 request handling could be made to access freed memory in string comparision when determining the method of a request and thus process the request incorrectly.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-416 Use After Free
System Score Found at
cvssv3 5.3 https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-0196.json
epss 0.0247 https://api.first.org/data/v1/epss?cve=CVE-2019-0196
epss 0.0247 https://api.first.org/data/v1/epss?cve=CVE-2019-0196
epss 0.0247 https://api.first.org/data/v1/epss?cve=CVE-2019-0196
epss 0.08696 https://api.first.org/data/v1/epss?cve=CVE-2019-0196
epss 0.08696 https://api.first.org/data/v1/epss?cve=CVE-2019-0196
epss 0.08696 https://api.first.org/data/v1/epss?cve=CVE-2019-0196
epss 0.08696 https://api.first.org/data/v1/epss?cve=CVE-2019-0196
epss 0.08696 https://api.first.org/data/v1/epss?cve=CVE-2019-0196
epss 0.08696 https://api.first.org/data/v1/epss?cve=CVE-2019-0196
epss 0.08696 https://api.first.org/data/v1/epss?cve=CVE-2019-0196
epss 0.08696 https://api.first.org/data/v1/epss?cve=CVE-2019-0196
epss 0.08696 https://api.first.org/data/v1/epss?cve=CVE-2019-0196
epss 0.08696 https://api.first.org/data/v1/epss?cve=CVE-2019-0196
epss 0.08912 https://api.first.org/data/v1/epss?cve=CVE-2019-0196
epss 0.11469 https://api.first.org/data/v1/epss?cve=CVE-2019-0196
epss 0.11469 https://api.first.org/data/v1/epss?cve=CVE-2019-0196
cvssv3 5 https://ftp.suse.com/pub/projects/security/yaml/suse-cvss-scores.yaml
apache_httpd low https://httpd.apache.org/security/json/CVE-2019-0196.json
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2019-0196
cvssv3 5.3 https://nvd.nist.gov/vuln/detail/CVE-2019-0196
archlinux Critical https://security.archlinux.org/AVG-946
Reference id Reference type URL
https://access.redhat.com/errata/RHSA-2019:3932
https://access.redhat.com/errata/RHSA-2019:3933
https://access.redhat.com/errata/RHSA-2019:3935
https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-0196.json
https://api.first.org/data/v1/epss?cve=CVE-2019-0196
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17189
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-17199
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0196
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0211
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0217
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-0220
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/97a1c58e138ed58a364513b58d807a802e72bf6079ff81a10948ef7c%40%3Ccvs.httpd.apache.org%3E
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWRYD6JMEJ6O3JKJZFNOYXMJJU5JMEJK/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YTJPHI3E3OKW7OT7COQXVG7DE7IDQ2OT/
https://security.netapp.com/advisory/ntap-20190617-0002/
https://support.f5.com/csp/article/K44591505
https://www.oracle.com/security-alerts/cpuapr2020.html
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
http://www.openwall.com/lists/oss-security/2019/04/02/1
http://www.securityfocus.com/bid/107669
1695030 https://bugzilla.redhat.com/show_bug.cgi?id=1695030
ASA-201904-3 https://security.archlinux.org/ASA-201904-3
AVG-946 https://security.archlinux.org/AVG-946
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:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*
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:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:canonical:ubuntu_linux:18.10:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
CVE-2019-0196 https://httpd.apache.org/security/json/CVE-2019-0196.json
CVE-2019-0196 https://nvd.nist.gov/vuln/detail/CVE-2019-0196
RHSA-2020:2644 https://access.redhat.com/errata/RHSA-2020:2644
RHSA-2020:2646 https://access.redhat.com/errata/RHSA-2020:2646
RHSA-2020:4751 https://access.redhat.com/errata/RHSA-2020:4751
USN-3937-1 https://usn.ubuntu.com/3937-1/
No exploits are available.
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2019-0196.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:L/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:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2019-0196
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:L/PR:N/UI:N/S:U/C:N/I:N/A:L Found at https://nvd.nist.gov/vuln/detail/CVE-2019-0196
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 0.84739
EPSS Score 0.0247
Published At Aug. 1, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T08:29:05.803828+00:00 Apache HTTPD Importer Import https://httpd.apache.org/security/json/CVE-2019-0196.json 37.0.0