apache2-data 2.4.66-2ubuntu2.4: apache2-data 2.4.66-2ubuntu2.4 for Ubuntu 26.04.1 LTS (resolute)

apache2-data 2.4.66-2ubuntu2.4, released June 8, 2026, fixes 12 CVEs in apache2-data. None of them is reported as exploited. Patch Radar priority: High.

High

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

9.8

Base score, 0 to 10

Highest EPSS

0.0116

67th percentile

Priority of the 12 CVEs

Patch now 0
                                Urgent 0
                                High 11
                                Routine 1

Fixed package versions

Product	Release	Fixed in
apache2-data	Ubuntu 26.04.1 LTS (resolute)	2.4.66-2ubuntu2.4

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-34355	Apache HTTP Server: mod_proxy_html buffer overflow	7.7	0.0116	None reported
High	CVE-2026-42536	Apache HTTP Server: mod_xml2enc heap overflow	7.7	0.0102	None reported
High	CVE-2026-44185	Apache HTTP Server: Stack Buffer Over-Read in mod_ssl OCSP `send_request`	7.7	0.0074	None reported
High	CVE-2026-34356	Apache HTTP Server: ProxyPassReverseCookieMap buffer overflow	7.7	0.0071	None reported
High	CVE-2026-29167	Apache HTTP Server: mod_ldap per-dir use-after-free	9.8	0.0069	None reported
High	CVE-2026-44186	Apache HTTP Server: Loop in `proxy_ftp_handler` in mod_proxy_ftp	7.7	0.0058	None reported
High	CVE-2026-43951	Apache HTTP Server: OOB Read in `merge_response_headers` can cause crash	7.7	0.0055	None reported
High	CVE-2026-42535	Apache HTTP Server: mod_dav_fs protected directory access	9.1	0.0054	None reported
High	CVE-2026-44631	Apache HTTP Server: Heap Underflow in `ap_regname` via Signed Char Overflow	9.8	0.0050	None reported
High	CVE-2026-48913	Apache HTTP Server: mod_http2 memory corruption when file handles exhausted	7.3	0.0048	None reported
High	CVE-2026-44119	Apache HTTP Server: escalation of privilege through expressions in .htaccess in multiple modules	7.7	0.0018	None reported
Routine	CVE-2026-29170	Apache HTTP Server: mod_proxy_ftp XSS	6.1	0.0048	None reported

Also fixes CVE-2026-34355

apache2 2.4.41-4ubuntu3.23+esm5
apache2 on Ubuntu 20.04 LTS (focal)
apache2-bin 2.4.41-4ubuntu3.23+esm5
apache2-bin on Ubuntu 20.04 LTS (focal)
apache2-data 2.4.41-4ubuntu3.23+esm5
apache2-data on Ubuntu 20.04 LTS (focal)
apache2-suexec-custom 2.4.41-4ubuntu3.23+esm5
apache2-suexec-custom on Ubuntu 20.04 LTS (focal)
apache2-suexec-pristine 2.4.41-4ubuntu3.23+esm5
apache2-suexec-pristine on Ubuntu 20.04 LTS (focal)
apache2-utils 2.4.41-4ubuntu3.23+esm5
apache2-utils on Ubuntu 20.04 LTS (focal)
libapache2-mod-md 2.4.41-4ubuntu3.23+esm5
libapache2-mod-md on Ubuntu 20.04 LTS (focal)
libapache2-mod-proxy-uwsgi 2.4.41-4ubuntu3.23+esm5
libapache2-mod-proxy-uwsgi on Ubuntu 20.04 LTS (focal)

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