MEDIUM
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
Published Feb 2, 2010
6.8
MEDIUMCVSS 2.0
EPSS 43.42%
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.
Affected products
No data.
OR
- ≤ 1.3.41
- 0.8.11
- 0.8.14
- 1.0
- 1.0.3
- 1.0.5
- 1.1
- 1.2
- 1.2.4
- 1.2.5
- 1.2.6
- 1.3
- 1.3.0
- 1.3.1
- 1.3.2
- 1.3.3
- 1.3.4
- 1.3.10
- 1.3.11
- 1.3.12
- 1.3.13
- 1.3.14
- 1.3.15
- 1.3.17
- 1.3.18
- 1.3.19
- 1.3.20
- 1.3.22
- 1.3.23
- 1.3.24
- 1.3.25
- 1.3.26
- 1.3.27
- 1.3.28
- 1.3.29
- 1.3.30
- 1.3.31
- 1.3.32
- 1.3.33
- 1.3.34
- 1.3.35
- 1.3.36
- 1.3.37
- 1.3.38
- 1.3.39
- 1.3.40
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
6.8 MEDIUM NVD
AV:N/AC:M/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Medium
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
43.42% 0.43421
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.43421
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (17 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 43.42% (0.43421) | 98.70th | v5 (v2026.06.15) |
| Jun 15, 2026 | 43.42% (0.43421) | 98.56th | v5 (v2026.06.15) |
| Dec 28, 2025 | 47.45% (0.47445) | 97.58th | v4 (v2025.03.14) |
| Dec 27, 2025 | 27.86% (0.27864) | 96.31th | v4 (v2025.03.14) |
| Oct 28, 2025 | 47.45% (0.47445) | 97.54th | v4 (v2025.03.14) |
| Oct 27, 2025 | 27.86% (0.27864) | 96.24th | v4 (v2025.03.14) |
| Oct 1, 2025 | 47.45% (0.47445) | 97.63th | v4 (v2025.03.14) |
| Jul 30, 2025 | 27.86% (0.27864) | 96.26th | v4 (v2025.03.14) |
| Mar 30, 2025 | 47.45% (0.47445) | 97.45th | v4 (v2025.03.14) |
| Mar 29, 2025 | 45.55% (0.45553) | 96.47th | v4 (v2025.03.14) |
| Mar 17, 2025 | 47.45% (0.47445) | 97.41th | v4 (v2025.03.14) |
| Dec 12, 2024 | 95.43% (0.95433) | 99.46th | v3 (v2023.03.01) |
| Apr 5, 2023 | 96.20% (0.96198) | 99.19th | v3 (v2023.03.01) |
| Mar 7, 2023 | 96.47% (0.96472) | 99.25th | v3 (v2023.03.01) |
| Mar 6, 2023 | 5.29% (0.05294) | 89.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 5.29% (0.05294) | 88.82th | v2 (v2022.01.01) |
| Feb 4, 2022 | 5.29% (0.05294) | 75.96th | v2 (v2022.01.01) |
Weaknesses (1)
References (23)
- http://archives.neohapsis.com/archives/fulldisclosure/2010-01/0589.html mailing-listx_refsource_FULLDISCExploit
- http://blog.pi3.com.pl/?p=69 x_refsource_MISC
- http://httpd.apache.org/dev/dist/CHANGES_1.3.42 x_refsource_CONFIRM
- http://lists.opensuse.org/opensuse-security-announce/2010-04/msg00006.html vendor-advisoryx_refsource_SUSE
- http://marc.info/?l=bugtraq&m=130497311408250&w=2 vendor-advisoryx_refsource_HP
- http://packetstormsecurity.org/1001-exploits/modproxy-overflow.txt x_refsource_MISCExploit
- http://secunia.com/advisories/38319 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/39656 third-party-advisoryx_refsource_SECUNIA
- http://site.pi3.com.pl/adv/mod_proxy.txt x_refsource_MISC
- http://www.securityfocus.com/archive/1/509185/100/0/threaded mailing-listx_refsource_BUGTRAQ
- http://www.securityfocus.com/bid/37966 vdb-entryx_refsource_BIDExploit
- http://www.securitytracker.com/id?1023533 vdb-entryx_refsource_SECTRACK
- http://www.vupen.com/english/advisories/2010/0240 vdb-entryx_refsource_VUPENVendor Advisory
- http://www.vupen.com/english/advisories/2010/1001 vdb-entryx_refsource_VUPEN
- https://exchange.xforce.ibmcloud.com/vulnerabilities/55941 vdb-entryx_refsource_XF
- https://lists.apache.org/thread.html/r2295080a257bad27ea68ca0af12fc715577f9e84801eae116a33107e%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r5419c9ba0951ef73a655362403d12bb8d10fab38274deb3f005816f5%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/r9f93cf6dde308d42a9c807784e8102600d0397f5f834890708bf6920%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rad2acee3ab838b52c04a0698b1728a9a43467bf365bd481c993c535d%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/reb7c64aeea604bf948467d9d1cab8ff23fa7d002be1964bcc275aae7%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rf2f0f3611f937cf6cfb3b4fe4a67f69885855126110e1e3f2fb2728e%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://lists.apache.org/thread.html/rf6449464fd8b7437704c55f88361b66f12d5b5f90bcce66af4be4ba9%40%3Ccvs.httpd.apache.org%3E mailing-listx_refsource_MLIST
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7923 vdb-entrysignaturex_refsource_OVAL
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner redhat
Published Feb 2, 2010
Updated Aug 7, 2024
Reserved Dec 14, 2009
Link CVE-2010-0010
CISA Vulnrichment
Updated n/a