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Vulnerability · Published Sep 29, 2020 · Assigned by mitre

CVE-2020-26154

Critical 9.8

In plain English

A critical-severity security flaw in the libproxy package (Alpine). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 3.6% (higher than 89% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS NVD)9.8Critical
Exploit odds (30 days)3.6%top 10.6% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known

Official 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.20libproxy0.4.15-r9ALPINE-CVE-2020-26154
Alpine:v3.21libproxy0.4.15-r9ALPINE-CVE-2020-26154
Alpine:v3.22libproxy0.4.15-r9ALPINE-CVE-2020-26154
Alpine:v3.23libproxy0.4.15-r9ALPINE-CVE-2020-26154
Alpine:v3.24libproxy0.4.15-r9ALPINE-CVE-2020-26154
Debian:12libproxy0.4.15-15DEBIAN-CVE-2020-26154
Debian:13libproxy0.4.15-15DEBIAN-CVE-2020-26154
Debian:14libproxy0.4.15-15DEBIAN-CVE-2020-26154

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

References