Skip to content
Fencer Vulns
medium 5.0

CVE-2007-3847 json

The date handling code in modules/proxy/proxy_util.c (mod_proxy) in Apache 2.3.0, when using a threaded MPM, allows remote origin servers t…

published 2007-08-23 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-3831

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
12.9%
EPSS 12.9% chance of exploitation in 30 days, percentile 96%
public exploits
0
none known

Summary

The date handling code in modules/proxy/proxy_util.c (mod_proxy) in Apache 2.3.0, when using a threaded MPM, allows remote origin servers to cause a denial of service (caching forward proxy process crash) via crafted date headers that trigger a buffer over-read.

Patch / fix

  • apache http_server 2.0.61, 2.2.6
  • apache2 Debian 14, Debian 13, Debian 12 2.2.6-1

debian advisories DEBIAN-CVE-2007-3847

  • ant certificate system 7.3 1.6.5-1jpp_1rh
  • axis certificate system 7.3 1.2.1-1jpp_3rh
  • mx4j certificate system 7.3 1:3.0.1-1jpp_4rh
  • log4j certificate system 7.3 1.2.12-1jpp_1rh
  • tomcat5 certificate system 7.3 5.5.23-0jpp_4rh.16
  • rhpki-ca certificate system 7.3 7.3.0-20.el4
  • pcsc-lite certificate system 7.3 1.3.3-3.el4
  • rhpki-kra certificate system 7.3 7.3.0-14.el4

red hat advisories RHSA-2010:0602RHSA-2008:0005RHSA-2007:0911RHSA-2007:0747RHSA-2007:0746

  • apache2 openSUSE Tumbleweed 2.4.49-1.1

opensuse advisories openSUSE-SU-2024:10623-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-3847 updated

httpd: out of bounds read

  • Red Hat Application Stack v1 for Enterprise Linux AS (v.4) httpd 2.0.59-1.el4s1.8, mod_ssl 2.0.59-1.el4s1.8, httpd-manual 2.0.59-1.el4s1.8 Red Hat Application Stack v1 for Enterprise Linux ES (v.4) httpd 2.0.59-1.el4s1.8, mod_ssl 2.0.59-1.el4s1.8, httpd-manual 2.0.59-1.el4s1.8
    fixed: vendor fix RHSA-2007:0911
  • Red Hat Certificate System 7.3 for 4AS ant 1.6.5-1jpp_1rh, axis 1.2.1-1jpp_3rh, mx4j 3.0.1-1jpp_4rh, log4j 1.2.12-1jpp_1rh, pcsc-lite 1.3.3-3.el4, rhpki-ca 7.3.0-20.el4, +31 more Red Hat Certificate System 7.3 for 4ES ant 1.6.5-1jpp_1rh, axis 1.2.1-1jpp_3rh, mx4j 3.0.1-1jpp_4rh, log4j 1.2.12-1jpp_1rh, pcsc-lite 1.3.3-3.el4, rhpki-ca 7.3.0-20.el4, +31 more
    fixed: vendor fix RHSA-2010:0602
  • Red Hat Desktop version 3 httpd 2.0.46-70.ent, mod_ssl 2.0.46-70.ent
    fixed: vendor fix RHSA-2008:0005
  • Red Hat Enterprise Linux (v. 5 server) httpd 2.2.3-11.el5, mod_ssl 2.2.3-11.el5, httpd-manual 2.2.3-11.el5
    fixed: vendor fix RHSA-2007:0746
  • Red Hat Enterprise Linux AS version 3 httpd 2.0.46-70.ent, mod_ssl 2.0.46-70.ent
    fixed: vendor fix RHSA-2008:0005
  • Red Hat Enterprise Linux AS version 4 httpd 2.0.52-38.ent, mod_ssl 2.0.52-38.ent, httpd-manual 2.0.52-38.ent, httpd-suexec 2.0.52-38.ent
    fixed: vendor fix RHSA-2007:0747
  • Red Hat Enterprise Linux Desktop (v. 5 client) httpd 2.2.3-11.el5, mod_ssl 2.2.3-11.el5, httpd-manual 2.2.3-11.el5
    fixed: vendor fix RHSA-2007:0746
  • Red Hat Enterprise Linux Desktop version 4 httpd 2.0.52-38.ent, mod_ssl 2.0.52-38.ent, httpd-manual 2.0.52-38.ent, httpd-suexec 2.0.52-38.ent
    fixed: vendor fix RHSA-2007:0747
show 6 more
  • Red Hat Enterprise Linux Desktop Workstation (v. 5 client) httpd 2.2.3-11.el5, mod_ssl 2.2.3-11.el5, httpd-manual 2.2.3-11.el5
    fixed: vendor fix RHSA-2007:0746
  • Red Hat Enterprise Linux ES version 3 httpd 2.0.46-70.ent, mod_ssl 2.0.46-70.ent
    fixed: vendor fix RHSA-2008:0005
  • Red Hat Enterprise Linux ES version 4 httpd 2.0.52-38.ent, mod_ssl 2.0.52-38.ent, httpd-manual 2.0.52-38.ent, httpd-suexec 2.0.52-38.ent
    fixed: vendor fix RHSA-2007:0747
  • Red Hat Enterprise Linux WS version 3 httpd 2.0.46-70.ent, mod_ssl 2.0.46-70.ent
    fixed: vendor fix RHSA-2008:0005
  • Red Hat Enterprise Linux WS version 4 httpd 2.0.52-38.ent, mod_ssl 2.0.52-38.ent, httpd-manual 2.0.52-38.ent, httpd-suexec 2.0.52-38.ent
    fixed: vendor fix RHSA-2007:0747
  • Red Hat Application Stack v2 for Enterprise Linux (v.5) httpd 2.2.4-7.el5s2, mod_ssl 2.2.4-7.el5s2, httpd-manual 2.2.4-7.el5s2
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

12.90% chance of exploitation in the next 30 days, higher than 96% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.