High severity8.6NVD Advisory· Published Dec 4, 2023· Updated Jun 17, 2026
CVE-2023-49286
CVE-2023-49286
Description
Squid is a caching proxy for the Web supporting HTTP, HTTPS, FTP, and more. Due to an Incorrect Check of Function Return Value bug Squid is vulnerable to a Denial of Service attack against its Helper process management. This bug is fixed by Squid version 6.5. Users are advised to upgrade. There are no known workarounds for this vulnerability.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
24- osv-coords21 versionspkg:rpm/almalinux/libecappkg:rpm/almalinux/squidpkg:rpm/opensuse/squid&distro=openSUSE%20Tumbleweedpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP4pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Server%20Applications%2015%20SP5pkg:rpm/opensuse/squid&distro=openSUSE%20Leap%2015.4pkg:rpm/opensuse/squid&distro=openSUSE%20Leap%2015.5pkg:rpm/suse/squid&distro=SUSE%20Enterprise%20Storage%207.1pkg:rpm/almalinux/libecap-develpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP2-LTSSpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-LTSSpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP2-LTSSpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP3pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP3-ESPOSpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP1-LTSSpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP3-LTSSpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP1-LTSSpkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP1pkg:rpm/suse/squid&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP2
< 1.0.1-2.module_el8.6.0+2741+01592ae8+ 20 more
- (no CPE)range: < 1.0.1-2.module_el8.6.0+2741+01592ae8
- (no CPE)range: < 7:4.15-7.module_el8.9.0+3708+6acaac63.5
- (no CPE)range: < 6.6-2.1
- (no CPE)range: < 5.7-150400.3.20.1
- (no CPE)range: < 5.7-150400.3.20.1
- (no CPE)range: < 5.7-150400.3.20.1
- (no CPE)range: < 5.7-150400.3.20.1
- (no CPE)range: < 4.17-150000.5.46.1
- (no CPE)range: < 1.0.1-2.module_el8.6.0+2741+01592ae8
- (no CPE)range: < 4.17-150000.5.46.1
- (no CPE)range: < 4.17-150000.5.46.1
- (no CPE)range: < 4.17-150000.5.46.1
- (no CPE)range: < 4.17-150000.5.46.1
- (no CPE)range: < 4.17-4.38.1
- (no CPE)range: < 4.17-4.38.1
- (no CPE)range: < 4.17-150000.5.46.1
- (no CPE)range: < 4.17-150000.5.46.1
- (no CPE)range: < 4.17-150000.5.46.1
- (no CPE)range: < 4.17-150000.5.46.1
- (no CPE)range: < 4.17-150000.5.46.1
- (no CPE)range: < 4.17-150000.5.46.1
< 6.5+ 1 more
- (no CPE)range: < 6.5
- cpe:2.3:a:squid-cache:squid:*:*:*:*:*:*:*:*range: <=6.4
Patches
Vulnerability mechanics
References
7- github.com/squid-cache/squid/commit/6014c6648a2a54a4ecb7f952ea1163e0798f9264nvdPatch
- github.com/squid-cache/squid/security/advisories/GHSA-xggx-9329-3c27nvdVendor Advisory
- www.squid-cache.org/Versions/v6/SQUID-2023_8.patchnvdBroken Link
- lists.debian.org/debian-lts-announce/2024/01/msg00003.htmlnvd
- lists.fedoraproject.org/archives/list/[email protected]/message/A5QASTMCUSUEW3UOMKHZJB3FTONWSRXS/nvd
- lists.fedoraproject.org/archives/list/[email protected]/message/MEV66D3PAAY6K7TWDT3WZBLCPLASFJDC/nvd
- security.netapp.com/advisory/ntap-20240119-0004/nvd
News mentions
0No linked articles in our index yet.