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Vulnerability record · CVE-2019-10081 · published 15 August 2019

CVE-2019-10081: Apache http server out-of-bounds write vulnerability

Apache · Http Server

HTTP/2 (2.4.20 through 2.4.39) very early pushes, for example configured with "H2PushResource", could lead to an overwrite of memory in the pushing request's pool, leading to crashes. The memory copied is that of the configured push link header values, not data supplied by the client.

7.5 CVSS 3.0 High EPSS 15% · top 3.5% CWE-787 · Out-of-bounds write
7.5CVSS 3.0 base score, v2 5.0
15%EPSS exploitation probability, 30 days
NoNot in CISA KEV
2Affected product versions listed by NVD
42References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

HTTP/2 (2.4.20 through 2.4.39) very early pushes, for example configured with "H2PushResource", could lead to an overwrite of memory in the pushing request's pool, leading to crashes. The memory copied is that of the configured push link header values, not data supplied by the client.

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected products

2 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00004.html
https://httpd.apache.org/security/vulnerabilities_24.html ExploitVendor Advisory
https://lists.apache.org/thread.html/r03ee478b3dda3e381fd6189366fa7af97c980d2f602846eef935277d%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r3c5c3104813c1c5508b55564b66546933079250a46ce50eee90b2e36%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rd2fb621142e7fa187cfe12d7137bf66e7234abcbbcd800074c84a538%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org
https://seclists.org/bugtraq/2019/Aug/47 Third Party Advisory
https://security.gentoo.org/glsa/201909-04
https://security.netapp.com/advisory/ntap-20190905-0003/
https://support.f5.com/csp/article/K84341091?utm_source=f5support&amp%3Butm_medium=RSS
https://usn.ubuntu.com/4113-1/
https://www.debian.org/security/2019/dsa-4509 Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html
https://www.oracle.com/security-alerts/cpujul2020.html
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00004.html
https://httpd.apache.org/security/vulnerabilities_24.html ExploitVendor Advisory
https://lists.apache.org/thread.html/r03ee478b3dda3e381fd6189366fa7af97c980d2f602846eef935277d%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda72ede0830b42cf%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r3c5c3104813c1c5508b55564b66546933079250a46ce50eee90b2e36%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37ea993dfce68d1d%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa1a1ea464b93f0a%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc582390b6f%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rd2fb621142e7fa187cfe12d7137bf66e7234abcbbcd800074c84a538%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4d455234%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org
https://seclists.org/bugtraq/2019/Aug/47 Third Party Advisory
https://security.gentoo.org/glsa/201909-04
https://security.netapp.com/advisory/ntap-20190905-0003/
https://support.f5.com/csp/article/K84341091?utm_source=f5support&amp%3Butm_medium=RSS
https://usn.ubuntu.com/4113-1/
https://www.debian.org/security/2019/dsa-4509 Third Party Advisory
https://www.oracle.com/security-alerts/cpuapr2020.html

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Source: NIST National Vulnerability Database (record CVE-2019-10081), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.