CVE-2010-0010

CVE-2010-0010 is a medium-severity vulnerability in Apache Http Server with a CVSS 2.0 base score of 6.8. Its EPSS exploit-prediction score of 43% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-189.

Key facts

• Severity: Medium (CVSS 2.0 base score 6.8)
• EPSS exploit prediction: 43% (99th percentile)
• Actively exploited: Not listed in CISA KEV
• Weakness: CWE-189
• Affected product: Apache Http Server
• Published: 2010-02-02
• Last modified: 2026-06-16

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.

Frequently asked questions

What is CVE-2010-0010?

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.

How severe is CVE-2010-0010?

CVE-2010-0010 has a CVSS 2.0 base score of 6.8, rated medium severity.

Is CVE-2010-0010 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 43% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2010-0010?

CVE-2010-0010 primarily affects Apache Http Server. In total, 46 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2010-0010?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2010-0010 published?

CVE-2010-0010 was published on 2010-02-02 and last updated on 2026-06-16.

References

• http://archives.neohapsis.com/archives/fulldisclosure/2010-01/0589.html
• 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
• http://secunia.com/advisories/38319
• 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
• http://www.securitytracker.com/id?1023533
• http://www.vupen.com/english/advisories/2010/0240
• 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%3E
• https://lists.apache.org/thread.html/r5419c9ba0951ef73a655362403d12bb8d10fab38274deb3f005816f5%40%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/rad2acee3ab838b52c04a0698b1728a9a43467bf365bd481c993c535d%40%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/reb7c64aeea604bf948467d9d1cab8ff23fa7d002be1964bcc275aae7%40%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/rf2f0f3611f937cf6cfb3b4fe4a67f69885855126110e1e3f2fb2728e%40%3Ccvs.httpd.apache.org%3E
• https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7923

Affected products (46)

• cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:0.8.11:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:0.8.14:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.0.3:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.0.5:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.2:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.2.4:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.2.5:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.2.6:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.0:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.1:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.2:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.3:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.4:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.10:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.11:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.12:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.13:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.14:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.15:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.17:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.18:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.19:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.20:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.22:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.23:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.24:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.25:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.26:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.27:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.28:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.29:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.30:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.31:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.32:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.33:*:*:*:*:*:*:*
• cpe:2.3:a:apache:http_server:1.3.34:*:*:*:*:*:*:*

More vulnerabilities in Apache Http Server

• CVE-2010-0425 — Critical (CVSS 10.0): modules/arch/win32/mod_isapi.c in mod_isapi in the Apache HTTP Server 2.0.37 through 2.0.63, 2.2.0 through 2.2.14, and…
• CVE-2005-2700 — Critical (CVSS 10.0): ssl_engine_kernel.c in mod_ssl before 2.8.24, when using "SSLVerifyClient optional" in the global virtual host…
• CVE-2004-0492 — Critical (CVSS 10.0): Heap-based buffer overflow in proxy_util.c for mod_proxy in Apache 1.3.25 to 1.3.31 allows remote attackers to cause a…
• CVE-2003-0789 — Critical (CVSS 10.0): mod_cgid in Apache before 2.0.48, when using a threaded MPM, does not properly handle CGI redirect paths, which could…
• CVE-1999-1293 — Critical (CVSS 10.0): mod_proxy in Apache 1.2.5 and earlier allows remote attackers to cause a denial of service via malformed FTP commands,…
• CVE-1999-0926 — Critical (CVSS 10.0): Apache allows remote attackers to conduct a denial of service via a large number of MIME headers.

All CVEs affecting Apache Http Server →

Other CWE-189 (Numeric Errors) vulnerabilities

• CVE-2015-8396 — Critical (CVSS 10.0): Integer overflow in the ImageRegionReader::ReadIntoBuffer function in…
• CVE-2015-7205 — Critical (CVSS 10.0): Integer underflow in the RTPReceiverVideo::ParseRtpPacket function in Mozilla Firefox before 43.0 and Firefox ESR 38.x…
• CVE-2015-6575 — Critical (CVSS 10.0): SampleTable.cpp in libstagefright in Android before 5.1.1 LMY48I does not properly consider integer promotion, which…
• CVE-2015-3864 — Critical (CVSS 10.0): Integer underflow in the MPEG4Extractor::parseChunk function in MPEG4Extractor.cpp in libstagefright in mediaserver in…
• CVE-2015-3836 — Critical (CVSS 10.0): The Parse_wave function in arm-wt-22k/lib_src/eas_mdls.c in the Sonivox DLS-to-EAS converter in Android before 5.1.1…
• CVE-2015-3834 — Critical (CVSS 10.0): Multiple integer overflows in the BnHDCP::onTransact function in media/libmedia/IHDCP.cpp in libstagefright in Android…

Browse all CWE-189 (Numeric Errors) vulnerabilities →

Threat intelligence

Threat-intel indicators referencing this CVE:

• 90.160.135.217 (ipv4-addr)
• 62.36.19.42 (ipv4-addr)
• 62.36.19.41 (ipv4-addr)