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Vulnerability record · CVE-2010-0010 · published 2 February 2010

CVE-2010-0010: Apache http server vulnerability

Apache · Http Server

Integer overflow in the ap_proxy_send_fb function in proxy/proxy_util.c in mod_proxy in the Apache HTTP Server before 1.3.42 on 64-bit platforms allows remote origin servers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a large chunk size that triggers a heap-based buffer overflow.

6.8 CVSS 2.0 Medium EPSS 43% · top 1.3% CWE-189 · CWE-189
6.8CVSS 2.0 base score
43%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
46References, 6 tagged exploit
16 Jun 2026Last modified by NVD

Description

Integer overflow in the ap_proxy_send_fb function in proxy/proxy_util.c in mod_proxy in the Apache HTTP Server before 1.3.42 on 64-bit platforms allows remote origin servers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a large chunk size that triggers a heap-based buffer overflow.

AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://archives.neohapsis.com/archives/fulldisclosure/2010-01/0589.html Exploit
http://blog.pi3.com.pl/?p=69
http://httpd.apache.org/dev/dist/CHANGES_1.3.42
http://lists.opensuse.org/opensuse-security-announce/2010-04/msg00006.html
http://marc.info/?l=bugtraq&m=130497311408250&w=2
http://packetstormsecurity.org/1001-exploits/modproxy-overflow.txt Exploit
http://secunia.com/advisories/38319 Vendor Advisory
http://secunia.com/advisories/39656
http://site.pi3.com.pl/adv/mod_proxy.txt
http://www.securityfocus.com/archive/1/509185/100/0/threaded
http://www.securityfocus.com/bid/37966 Exploit
http://www.securitytracker.com/id?1023533
http://www.vupen.com/english/advisories/2010/0240 Vendor Advisory
http://www.vupen.com/english/advisories/2010/1001
https://exchange.xforce.ibmcloud.com/vulnerabilities/55941
https://lists.apache.org/thread.html/r2295080a257bad27ea68ca0af12fc715577f9e84801eae116a33107e%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r5419c9ba0951ef73a655362403d12bb8d10fab38274deb3f005816f5%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rad2acee3ab838b52c04a0698b1728a9a43467bf365bd481c993c535d%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/reb7c64aeea604bf948467d9d1cab8ff23fa7d002be1964bcc275aae7%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rf2f0f3611f937cf6cfb3b4fe4a67f69885855126110e1e3f2fb2728e%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7923
http://archives.neohapsis.com/archives/fulldisclosure/2010-01/0589.html Exploit
http://blog.pi3.com.pl/?p=69
http://httpd.apache.org/dev/dist/CHANGES_1.3.42
http://lists.opensuse.org/opensuse-security-announce/2010-04/msg00006.html
http://marc.info/?l=bugtraq&m=130497311408250&w=2
http://packetstormsecurity.org/1001-exploits/modproxy-overflow.txt Exploit
http://secunia.com/advisories/38319 Vendor Advisory
http://secunia.com/advisories/39656
http://site.pi3.com.pl/adv/mod_proxy.txt
http://www.securityfocus.com/archive/1/509185/100/0/threaded
http://www.securityfocus.com/bid/37966 Exploit
http://www.securitytracker.com/id?1023533
http://www.vupen.com/english/advisories/2010/0240 Vendor Advisory
http://www.vupen.com/english/advisories/2010/1001
https://exchange.xforce.ibmcloud.com/vulnerabilities/55941
https://lists.apache.org/thread.html/r2295080a257bad27ea68ca0af12fc715577f9e84801eae116a33107e%40%3Ccvs.httpd.apache.org
https://lists.apache.org/thread.html/r5419c9ba0951ef73a655362403d12bb8d10fab38274deb3f005816f5%40%3Ccvs.httpd.apache.org

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Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2010-0010), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.