libproxy: long proxy.pac file handling buffer overflow
Published Nov 11, 2012
10.0
HIGHCVSS 2.0
EPSS 3.48%
Description
Stack-based buffer overflow in the url::get_pac function in url.cpp in libproxy 0.4.x before 0.4.9 allows remote servers to have an unspecified impact via a large proxy.pac file.
Affected products
No data.
- 0.4.0
- 0.4.1
- 0.4.2
- 0.4.3
- 0.4.5
- 0.4.6
- 0.4.7
- 0.4.8
No data.
Red Hat Enterprise Linux 6
libproxy
Not affected
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | libproxy | Not affected | n/a |
No package ranges for this CVE.
Remediation
Red Hat statement
Not vulnerable. This issue did not affect the version of libproxy as shipped with Red Hat Enterprise Linux 6.
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.
AV:N/AC:L/Au:N/C:C/I:C/A:C
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
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 (13 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.48% (0.03476) | 88.70th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.48% (0.03476) | 87.53th | v5 (v2026.06.15) |
| Mar 30, 2025 | 5.63% (0.05628) | 89.39th | v4 (v2025.03.14) |
| Mar 29, 2025 | 8.92% (0.08918) | 87.48th | v4 (v2025.03.14) |
| Mar 17, 2025 | 5.63% (0.05628) | 89.66th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.15% (0.01152) | 85.46th | v3 (v2023.03.01) |
| Dec 6, 2023 | 1.15% (0.01152) | 83.15th | v3 (v2023.03.01) |
| Nov 8, 2023 | 1.47% (0.01471) | 85.26th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.08% (0.01083) | 82.06th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.54% (0.01537) | 74.52th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.54% (0.01537) | 74.48th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.54% (0.01537) | 72.41th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.54% (0.01537) | 51.33th | v2 (v2022.01.01) |
References (14)
- http://code.google.com/p/libproxy/source/detail?r=853 x_refsource_MISCPatch
- http://lists.opensuse.org/opensuse-updates/2012-10/msg00065.html vendor-advisoryx_refsource_SUSE
- http://secunia.com/advisories/51048 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://www.openwall.com/lists/oss-security/2012/10/12/1 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2012/10/12/5 mailing-listx_refsource_MLIST
- http://www.openwall.com/lists/oss-security/2012/10/16/3 mailing-listx_refsource_MLIST
- http://www.securityfocus.com/bid/55909 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-1629-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2012-4504 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=864417 x_refsource_CONFIRMIssue Tracking
- https://exchange.xforce.ibmcloud.com/vulnerabilities/79249 vdb-entryx_refsource_XF
- https://groups.google.com/forum/?fromgroups=#%21topic/libproxy/VxZ8No7mT0E x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2012-4504
- https://www.cve.org/CVERecord?id=CVE-2012-4504
Change history (0)
No recorded changes yet.