Buffer overflow in Apache HTTP Server
CVE-2019-10081
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.146 (96.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 96.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.146 · newest: 0.146 · change: 0.000
Affected products
- Apache HTTP Server
- Debian Linux — versions 9.0, 10.0
- Apache HTTP Server — versions 2.4.20 to 2.4.39
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.debian.org/security/2019/dsa-4509 (vendor-advisory, Third Party Advisory)
- seclists.org/bugtraq/2019/Aug/47 (mailing-list, Third Party Advisory)
- usn.ubuntu.com/4113-1/ (vendor-advisory)
- lists.opensuse.org/opensuse-security-announce/2019-09/msg00004.html (vendor-advisory)
- security.gentoo.org/glsa/201909-04 (vendor-advisory)
- lists.apache.org/thread.html/rd18c3c43602e66f9cdcf09f1de233804975b9572b0456cc58… (mailing-list)
- lists.apache.org/thread.html/re3d27b6250aa8548b8845d314bb8a350b3df326cacbbfdfe4… (mailing-list)
- www.oracle.com/security-alerts/cpuapr2020.html
- www.oracle.com/security-alerts/cpujul2020.html
- www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
Frequently asked questions
- What is CVE-2019-10081?
- CVE-2019-10081 is a high-severity vulnerability in Apache HTTP Server, classified under Out-of-bounds Write. CVSS score: 7.5/10. Published 2019-08-15.
- How severe is CVE-2019-10081?
- High severity. CVSS v3 base score is 7.5 out of 10.
- Is CVE-2019-10081 known to be exploited?
- 8 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.