Critical severity9.9NVD Advisory· Published Jun 30, 2020· Updated Jun 17, 2026
CVE-2020-15049
CVE-2020-15049
Description
An issue was discovered in http/ContentLengthInterpreter.cc in Squid before 4.12 and 5.x before 5.0.3. A Request Smuggling and Poisoning attack can succeed against the HTTP cache. The client sends an HTTP request with a Content-Length header containing "+\ "-" or an uncommon shell whitespace character prefix to the length field-value.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
43- osv-coords30 versionspkg:rpm/opensuse/squid&distro=openSUSE%20Tumbleweedpkg:rpm/almalinux/libecappkg:rpm/almalinux/libecap-develpkg:rpm/suse/squid&distro=SUSE%20OpenStack%20Cloud%209pkg:rpm/suse/squid3&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/squid&distro=HPE%20Helion%20OpenStack%208pkg:rpm/suse/squid&distro=SUSE%20OpenStack%20Cloud%208pkg:rpm/suse/squid&distro=SUSE%20OpenStack%20Cloud%207pkg:rpm/suse/squid&distro=SUSE%20OpenStack%20Cloud%20Crowbar%208pkg:rpm/suse/squid&distro=SUSE%20OpenStack%20Cloud%20Crowbar%209pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP4pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-LTSSpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2-BCLpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-LTSSpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3-BCLpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP4-LTSSpkg:rpm/suse/squid&distro=SUSE%20Enterprise%20Storage%205pkg:rpm/opensuse/squid&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/squid&distro=openSUSE%20Leap%2015.2pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP1pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP2pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%2015-LTSSpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015pkg:rpm/suse/squid3&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4-LTSSpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-ESPOSpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015-LTSS
< 4.16-1.5+ 29 more
- (no CPE)range: < 4.16-1.5
- (no CPE)range: < 1.0.1-2.module_el8.6.0+2741+01592ae8
- (no CPE)range: < 1.0.1-2.module_el8.6.0+2741+01592ae8
- (no CPE)range: < 3.5.21-26.29.1
- (no CPE)range: < 3.1.23-8.16.37.12.1
- (no CPE)range: < 3.5.21-26.29.1
- (no CPE)range: < 3.5.21-26.29.1
- (no CPE)range: < 3.5.21-26.29.1
- (no CPE)range: < 3.5.21-26.29.1
- (no CPE)range: < 3.5.21-26.29.1
- (no CPE)range: < 3.5.21-26.29.1
- (no CPE)range: < 3.5.21-26.29.1
- (no CPE)range: < 3.5.21-26.29.1
- (no CPE)range: < 3.5.21-26.29.1
- (no CPE)range: < 3.5.21-26.29.1
- (no CPE)range: < 3.5.21-26.29.1
- (no CPE)range: < 3.5.21-26.29.1
- (no CPE)range: < 3.5.21-26.29.1
- (no CPE)range: < 3.5.21-26.29.1
- (no CPE)range: < 4.13-lp151.2.24.1
- (no CPE)range: < 4.13-lp152.2.6.1
- (no CPE)range: < 4.13-5.23.1
- (no CPE)range: < 4.13-5.23.1
- (no CPE)range: < 4.13-4.15.1
- (no CPE)range: < 4.13-4.15.1
- (no CPE)range: < 4.13-5.23.1
- (no CPE)range: < 4.13-5.23.1
- (no CPE)range: < 3.1.23-8.16.37.12.1
- (no CPE)range: < 4.13-5.23.1
- (no CPE)range: < 4.13-5.23.1
- Squid/Squiddescription
cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*+ 9 more
- cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*range: >=2.0,<=2.6
- cpe:2.3:a:squid-cache:squid:2.7:*:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:2.7:stable2:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:2.7:stable3:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:2.7:stable4:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:2.7:stable5:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:2.7:stable6:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:2.7:stable7:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:2.7:stable8:*:*:*:*:*:*
- cpe:2.3:a:squid-cache:squid:2.7:stable9:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
10- www.squid-cache.org/Versions/v4/changesets/squid-4-ea12a34d338b962707d5078d6d1fc7c6eb119a22.patchnvdPatchVendor Advisory
- www.squid-cache.org/Versions/v5/changesets/squid-5-485c9a7bb1bba88754e07ad0094647ea57a6eb8d.patchnvdPatchVendor Advisory
- github.com/squid-cache/squid/security/advisories/GHSA-qf3v-rc95-96j5nvdThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00012.htmlnvd
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00017.htmlnvd
- lists.debian.org/debian-lts-announce/2020/10/msg00005.htmlnvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3RG5FGSTCAYVIJPJHIY3MRZ7NFT6HDO7/nvd
- security.netapp.com/advisory/ntap-20210312-0001/nvd
- usn.ubuntu.com/4551-1/nvd
- www.debian.org/security/2020/dsa-4732nvd
News mentions
0No linked articles in our index yet.