Skip to main content
No exploitation reportedFix available

CVE-2020-25219

No exploitation reported by the sources we read.

  • Published2020-09-09
  • WeaknessCWE-674

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

Description

url::recvline in url.cpp in libproxy 0.4.x through 0.4.15 allows a remote HTTP server to trigger uncontrolled recursion via a response composed of an infinite stream that lacks a newline character. This leads to stack exhaustion.

Timeline

dates in UTC
  1. 2020-09-0921:15CVE publishedNVD

Versions per branch

NVD
Canonical ubuntu linux
BranchAffectedFixed in
16.4= 16.04no fix published
18.4= 18.04no fix published
20.4= 20.04no fix published
Fedoraproject fedora
BranchAffectedFixed in
31.x= 31no fix published
32.x= 32no fix published
33.x= 33no fix published
Debian debian linux
BranchAffectedFixed in
9.0= 9.0no fix published
10.0= 10.0no fix published

2 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • libproxyUbuntu:20.04:LTSall versions · fixed in 0.4.15-10ubuntu1.1
  • libproxyUbuntu:18.04:LTSall versions · fixed in 0.4.15-1ubuntu0.1
  • libproxyUbuntu:16.04:LTSall versions · fixed in 0.4.11-5ubuntu1.1
  • libproxySUSE:OpenStack Cloud Crowbar 9all versions · fixed in 0.4.13-18.3.1and 1 other package
  • libproxySUSE:OpenStack Cloud Crowbar 8all versions · fixed in 0.4.13-18.3.1and 1 other package
  • libproxySUSE:OpenStack Cloud 9all versions · fixed in 0.4.13-18.3.1and 1 other package
  • libproxySUSE:OpenStack Cloud 8all versions · fixed in 0.4.13-18.3.1and 1 other package
  • libproxySUSE:OpenStack Cloud 7all versions · fixed in 0.4.13-18.3.1and 1 other package

56 more package ranges on OSV.dev

Vendor advisories

  • CVE-2020-25219 Red Hat Product Security224 products fixed · 18 known affected

    libproxy: uncontrolled recursion via an infinite stream response leading to stack exhaustion

    libproxy as a component of Red Hat Enterprise Linux 6 · libproxy-bin as a component of Red Hat Enterprise Linux 6 · libproxy-devel as a component of Red Hat Enterprise Linux 6 · +15 more

  • RHEA-2024:8852 Red Hat Product Security112 products fixed

    Red Hat Enhancement Advisory: libproxy bug fix and enhancement update

  • RHSA-2024:6205 Red Hat Product Security112 products fixed

    Red Hat Security Advisory: libproxy security update

Full record on NVD

Fix

  1. Vendor fix Red Hat Product Security RHEA-2024:8852 · 112 productsFor details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258
  2. No fix planned, says the vendor Red Hat Product Security CVE-2020-25219 · 18 productsOut of support scope

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2020-09-09
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-pj93-8v65-p9w3

Frequently asked questions

What is CVE-2020-25219?

url::recvline in url.cpp in libproxy 0.4.x through 0.4.15 allows a remote HTTP server to trigger uncontrolled recursion via a response composed of an infinite stream that lacks a newline character. This leads to stack exhaustion.

Is CVE-2020-25219 actively exploited?

Active exploitation of CVE-2020-25219 has not been confirmed. Its EPSS score was 4.4% on 2026-11-09, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-25219?

CVE-2020-25219 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Running libproxy? Hear about its next vulnerability

Surveillance reads the versions in your stack — a domain, a lockfile or a list — checks each CVE against the ranges its sources publish, and alerts you when one you run is exploited or enters CISA KEV. A version it cannot read stays « version not verified ».

Get alerts for this productCISA KEV additions, November 2026Search CVEs

No credit card required · No monthly cap on website lookups · 250 API requests/month

Go further

Related vulnerabilities

Same product first, then the same vendor advisory and the same publication week.

Back to CVE Database

Sources for this record