Not rated
CVE-2021-39275 ap_escape_quotes() may write beyond the end of a buffer when given malicious input
Description
ap_escape_quotes() may write beyond the end of a buffer when given malicious input. No included modules pass untrusted data to these functions, but third-party / external modules may. This issue affects Apache HTTP Server 2.4.48 and earlier.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| Apache HTTP Server 2.4 | earliest → 2.4.48 | No fix stated |
Other CVEs of Apache HTTP Server
The 139 CVEs of Apache HTTP Server →
CVE-2026-63686
A NULL pointer dereference in mod_xml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all…
Not rated
CVE-2026-93546
Integer overflow in mod_dav_fs in Apache HTTP Server through 2.4.68 allows an authenticated WebDAV client with write…
Not rated
CVE-2026-79768
Path equivalence: '/./' (single dot directory) vulnerability in Apache HTTP Server's mod_userdir module when…
Not rated
CVE-2026-73637
Use after free in mod_auth_digest in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows…
Not rated