CVE-2026-119618: mod_http2 · heap corruption and RCE in assign_headers
Affects apache2Source GCVE Database
Not known to be exploited · fixed in 2.4.41-4ubuntu3.23+esm11 : patch apache2 soon.
Data as of 13 Nov 2026, 14:17 UTC
Rated by Threat Radar · CVSS not yet scored by NVD
Thin evidence
One scorer or none- Patch
- Available – fixed in 2.4.41-4ubuntu3.23+esm11, 2.4.52-1ubuntu4.27, 2.4.58-1ubuntu8.19 +2
Exploitation evidence
Disclosed: evidence found.
CVE published 11 Nov 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 13 Nov 2026.
What to do
Upgrade to a fixed release listed under Affected software.
Patches and advisories
Affected software
| Product | Affected | Fixed in |
|---|---|---|
Ubuntu 26.10apache2pkg:deb/ubuntu/apache2?arch=source&distro=stonkingOther threats | Affected
| Fixed in
|
Ubuntu 26.04 LTSapache2pkg:deb/ubuntu/apache2?arch=source&distro=resoluteOther threats | Affected
| Fixed in
|
Ubuntu 24.04 LTSapache2pkg:deb/ubuntu/apache2?arch=source&distro=nobleOther threats | Affected
| Fixed in
|
Ubuntu 22.04 LTSapache2pkg:deb/ubuntu/apache2?arch=source&distro=jammyOther threats | Affected
| Fixed in
|
Ubuntu Pro 20.04 LTSapache2pkg:deb/ubuntu/apache2?arch=source&distro=esm-infra/focalOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
A patch is available and should be applied by updating to the fixed package versions provided by Ubuntu. The fixed versions include 2.4.41-4ubuntu3.23+esm11, 2.4.52-1ubuntu4.27, 2.4.58-1ubuntu8.19, 2.4.66-2ubuntu2.8, and 2.4.68-1ubuntu6.2. Users should follow the Ubuntu security notice USN-9090-1 for update instructions. No additional mitigation is required beyond applying the official updates.
Description
A heap corruption vulnerability exists in the Apache HTTP Server mod_http2 module's assign_headers function. This flaw can lead to remote code execution (RCE) or cause the server to crash, resulting in denial of service. The issue affects multiple Ubuntu package versions of Apache HTTP Server. Fixed versions have been released by Ubuntu.