CVE-2026-119618— Apache HTTP Server: mod_http2: heap corruption and RCE in assign_headers
Quick assessment
Affected
Apache Software Foundation Apache HTTP Server
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
Apache HTTP Server 的 mod_http2 模块中，由于在 assign_headers() 函数内使用共享资源进行并发执行时缺乏适当的同步机制，存在“共享资源并发执行且同步不当”的漏洞，可能导致远程代码执行（RCE）。 受影响版本范围： Apache HTTP Server：2.4.55 至 2.4.70（含） 来自 GitHub 的 mod_h2 模块：2.0.8 至 2.0.42（含）
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I. Basic Information for CVE-2026-119618
Vulnerability Information
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Vulnerability Title
Apache HTTP Server: mod_http2: heap corruption and RCE in assign_headers
Source: CVE Program / CVE List V5
Vulnerability Description
Concurrent Execution using Shared Resource with Improper Synchronization vulnerability in Apache HTTP Server's mod_http2 in assign_headers() can lead to RCE.
This issue affects Apache HTTP Server: from 2.4.55 through 2.4.70.
Affected releases of mod_h2 from GitHub: from 2.0.8 through 2.0.42.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
使用共享资源的并发执行不恰当同步问题(竞争条件)
Source: CVE Program / CVE List V5
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Apache Software Foundation | Apache HTTP Server | 2.4.55 ~ 2.4.70 | - |
|
II. Public POCs for CVE-2026-119618
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Vendor Advisories for CVE-2026-119618 (1)
Same Patch Batch · Apache Software Foundation · 2026-11-11 · 30 CVEs total
| CVE-2026-118411 | 8.8 HIGH | Apache Roller: Cross-site request forgery through GET requests to administrative actions |
| CVE-2026-105153 | 7.7 HIGH | Apache Roller: XML external entity processing in AtomPub entry parsing |
| CVE-2026-105154 | 6.1 MEDIUM | Apache Roller: Cross-site request forgery in Planet administration lets an attacker make t |
| CVE-2026-118414 | 5.4 MEDIUM | Apache Roller: Stored cross-site scripting through the weblog description |
| CVE-2026-118413 | 5.4 MEDIUM | Apache Roller: Stored cross-site scripting through imported blogroll links |
| CVE-2026-118409 | 5.3 MEDIUM | Apache Roller: Commenter email addresses recoverable through public search |
| CVE-2026-118405 | 4.3 MEDIUM | Apache Roller: Exposure of other users' email addresses through the user search |
| CVE-2026-105152 | 4.3 MEDIUM | Apache Roller: Weblog template access to wrapped objects exposes another user's password h |
| CVE-2026-118410 | 3.7 LOW | Apache Roller: Unpublished entries remain readable through search after AtomPub unpublish |
| CVE-2026-118412 | 3.1 LOW | Apache Roller: Disabled accounts can sign in through OpenID |
| CVE-2026-118408 | 3.1 LOW | Apache Roller: Unpublished entries of other weblogs readable through preview |
| CVE-2026-94125 | Apache Storm: Supervisor page discloses worker placement of other users' topologies | |
| CVE-2026-124495 | Apache Storm: Logviewer follows worker symlinks across topology ACLs | |
| CVE-2026-124496 | Apache Storm: DRPC HTTP doAsUser bypasses the impersonation authorizer | |
| CVE-2026-90993 | Apache XML Graphics Batik: Harden validation in SAXDocumentFactory | |
| CVE-2026-122096 | Apache DataSketches Java: Uncontrolled resource consumption when deserializing crafted ske | |
| CVE-2026-126627 | Apache XML Graphics FOP: Temporary files on Unix-like systems are readable by other local | |
| CVE-2026-111792 | Apache XML Graphics Batik: Denial of Service via SVG Element Reference Resolution | |
| CVE-2026-89326 | Apache XML Graphics Batik: Check url protocol when loading document | |
| CVE-2026-108338 | Apache Roller: Stored cross-site scripting through AtomPub entry tags |
Showing top 20 of 30 CVEs. View all on vendor page → →
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