VulnerabilityModified
CVE-2020-26154
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.
CRITICAL 9.8EPSS 3.56%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.56%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 3.56% probability · 89th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- libproxy project/libproxy · fedoraproject/fedora · debian/debian linux · opensuse/leap
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00030.htmlIssue Tracking, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00033.htmlIssue Tracking, Third Party Advisory
- https://bugs.debian.org/968366Issue Tracking, Third Party Advisory
- https://github.com/libproxy/libproxy/pull/126Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00024.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BID3HVHAF6DA3YJOFDBSAZSMR3ODNIW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WZVZXTFMFTSML3J6OOCDBDYH474BRJSW/
- https://www.debian.org/security/2020/dsa-4800Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00030.htmlIssue Tracking, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00033.htmlIssue Tracking, Third Party Advisory
- https://bugs.debian.org/968366Issue Tracking, Third Party Advisory
- https://github.com/libproxy/libproxy/pull/126Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/11/msg00024.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3BID3HVHAF6DA3YJOFDBSAZSMR3ODNIW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WZVZXTFMFTSML3J6OOCDBDYH474BRJSW/
- https://www.debian.org/security/2020/dsa-4800Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.