libproxy: PAC handling insufficient content length check leading to buffer overflow
Published Nov 11, 2012
10.0
HIGHCVSS 2.0
EPSS 3.22%
Description
Heap-based buffer overflow in the px_pac_reload function in lib/pac.c in libproxy 0.2.x and 0.3.x allows remote servers to have an unspecified impact via a crafted Content-Length size in an HTTP response header for a proxy.pac file request, a different vulnerability than CVE-2012-4504.
Affected products
No data.
- 0.2.3
- 0.3.0
- 0.3.1
No data.
Red Hat Enterprise Linux 6
libproxy-0:0.3.0-3.el6_3
Fixed · RHSA-2012:1461
| Product | Package | State | Advisory |
|---|---|---|---|
| Red Hat Enterprise Linux 6 | libproxy-0:0.3.0-3.el6_3 | Fixed | RHSA-2012:1461 |
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.
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 (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 3.22% (0.03218) | 87.77th | v5 (v2026.06.15) |
| Jun 15, 2026 | 3.22% (0.03218) | 86.53th | v5 (v2026.06.15) |
| Mar 30, 2025 | 4.37% (0.04366) | 87.90th | v4 (v2025.03.14) |
| Mar 29, 2025 | 9.20% (0.09197) | 87.71th | v4 (v2025.03.14) |
| Mar 17, 2025 | 3.76% (0.03760) | 87.25th | v4 (v2025.03.14) |
| Dec 12, 2024 | 1.45% (0.01446) | 87.19th | v3 (v2023.03.01) |
| Dec 6, 2023 | 1.45% (0.01446) | 85.14th | v3 (v2023.03.01) |
| Nov 8, 2023 | 1.84% (0.01844) | 86.93th | v3 (v2023.03.01) |
| Mar 7, 2023 | 1.36% (0.01359) | 84.11th | v3 (v2023.03.01) |
| Mar 6, 2023 | 2.69% (0.02686) | 82.85th | v2 (v2022.01.01) |
| Apr 1, 2022 | 2.69% (0.02686) | 81.17th | v2 (v2022.01.01) |
| Feb 4, 2022 | 2.69% (0.02686) | 62.66th | v2 (v2022.01.01) |
References (16)
- http://lists.opensuse.org/opensuse-updates/2012-10/msg00065.html vendor-advisoryx_refsource_SUSE
- http://rhn.redhat.com/errata/RHSA-2012-1461.html vendor-advisoryx_refsource_REDHAT
- http://secunia.com/advisories/51048 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/51180 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://secunia.com/advisories/51308 third-party-advisoryx_refsource_SECUNIA
- http://www.debian.org/security/2012/dsa-2571 vendor-advisoryx_refsource_DEBIAN
- 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/55910 vdb-entryx_refsource_BID
- http://www.ubuntu.com/usn/USN-1629-1 vendor-advisoryx_refsource_UBUNTU
- https://access.redhat.com/security/cve/CVE-2012-4505 Vendor Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=864612 x_refsource_CONFIRMIssue Tracking
- https://groups.google.com/forum/?fromgroups=#%21topic/libproxy/VxZ8No7mT0E x_refsource_CONFIRM
- https://nvd.nist.gov/vuln/detail/CVE-2012-4505
- https://www.cve.org/CVERecord?id=CVE-2012-4505
Change history (0)
No recorded changes yet.