| Name | CVE-2026-34355 |
| Description | A buffer overflow in mod_proxy_html in Apache HTTP Server 2.4.67 and earlier allows an attack by an untrusted backend. Users are recommended to upgrade to version 2.4.68, which fixes this issue. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 1139340 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| apache2 (PTS) | bullseye | 2.4.62-1~deb11u1 | vulnerable |
| bullseye (security) | 2.4.67-1~deb11u2 | vulnerable | |
| bookworm | 2.4.67-1~deb12u2 | vulnerable | |
| bookworm (security) | 2.4.67-1~deb12u3 | vulnerable | |
| trixie | 2.4.67-1~deb13u2 | vulnerable | |
| trixie (security) | 2.4.67-1~deb13u3 | vulnerable | |
| forky | 2.4.67-1 | vulnerable | |
| sid | 2.4.67-2 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| apache2 | source | (unstable) | (unfixed) | 1139340 |
https://httpd.apache.org/security/vulnerabilities_24.html#CVE-2026-34355