Vulnerability Description
url.cpp in libproxy through 0.4.15 is prone to a buffer overflow when PAC is enabled, as demonstrated by a large PAC file that is delivered without a Content-length header.
CVSS Score
CRITICAL
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Libproxy Project | Libproxy | <= 0.4.15 |
| Fedoraproject | Fedora | 32 |
| Debian | Debian Linux | 9.0 |
| Opensuse | Leap | 15.1 |
Related Weaknesses (CWE)
References
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00030.htmlIssue TrackingThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00033.htmlIssue TrackingThird Party Advisory
- https://bugs.debian.org/968366Issue TrackingThird Party Advisory
- https://github.com/libproxy/libproxy/pull/126Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00024.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://www.debian.org/security/2020/dsa-4800Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00030.htmlIssue TrackingThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00033.htmlIssue TrackingThird Party Advisory
- https://bugs.debian.org/968366Issue TrackingThird Party Advisory
- https://github.com/libproxy/libproxy/pull/126Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00024.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
FAQ
What is CVE-2020-26154?
CVE-2020-26154 is a vulnerability with a CVSS score of 9.8 (CRITICAL). url.cpp in libproxy through 0.4.15 is prone to a buffer overflow when PAC is enabled, as demonstrated by a large PAC file that is delivered without a Content-length header.
How severe is CVE-2020-26154?
CVE-2020-26154 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.
Is there a patch for CVE-2020-26154?
Check the references section above for vendor advisories and patch information. Affected products include: Libproxy Project Libproxy, Fedoraproject Fedora, Debian Debian Linux, Opensuse Leap.