CVE-2019-10081 — HTTP/2 (2
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 sup
Published
2019-08-15T21:02:49.000Z
Last modified
2024-08-04T22:10:09.413Z
01What is this vulnerability?
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.
02Affected products
| Vendor | Product | Versions |
|---|
| n | a / Apache HTTP Server | 2.4.20 to 2.4.39 |
03Active exploitation status
Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.
04Recommended remediation
- Patch to a fixed version listed in the vendor advisory (see references below).
- Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
- Hunt historical logs for exploitation indicators — see Detection signatures below.
05Technical details
For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.
06Detection signatures
Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.
07Related CVEs
No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.
08Timeline
- Published: 2019-08-15T21:02:49.000Z
- Last modified: 2024-08-04T22:10:09.413Z
09References
- www.debian.org — https://www.debian.org/security/2019/dsa-4509
- seclists.org — https://seclists.org/bugtraq/2019/Aug/47
- usn.ubuntu.com — https://usn.ubuntu.com/4113-1/
- lists.opensuse.org — http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00004.html
- security.gentoo.org — https://security.gentoo.org/glsa/201909-04
- lists.apache.org — https://lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0…
- lists.apache.org — https://lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cac…
- www.oracle.com — https://www.oracle.com/security-alerts/cpuapr2020.html
- www.oracle.com — https://www.oracle.com/security-alerts/cpujul2020.html
- www.oracle.com — https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
- httpd.apache.org — https://httpd.apache.org/security/vulnerabilities_24.html
- security.netapp.com — https://security.netapp.com/advisory/ntap-20190905-0003/
- support.f5.com — https://support.f5.com/csp/article/K84341091?utm_source=f5support&%3Butm_medi…
- lists.apache.org — https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90b…
- lists.apache.org — https://lists.apache.org/thread.html/r06f0d87ebb6d59ed8379633f36f72f5b1f79cadfda…
- lists.apache.org — https://lists.apache.org/thread.html/rc998b18880df98bafaade071346690c2bc1444adaa…
- lists.apache.org — https://lists.apache.org/thread.html/r03ee478b3dda3e381fd6189366fa7af97c980d2f60…
- lists.apache.org — https://lists.apache.org/thread.html/rd2fb621142e7fa187cfe12d7137bf66e7234abcbbc…
- lists.apache.org — https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f8…
- lists.apache.org — https://lists.apache.org/thread.html/r3c5c3104813c1c5508b55564b66546933079250a46…
- lists.apache.org — https://lists.apache.org/thread.html/r76142b8c5119df2178be7c2dba88fde552eedeec37…
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