Medium severity6.5NVD Advisory· Published Feb 19, 2018· Updated Jun 17, 2026
CVE-2018-5381
CVE-2018-5381
Description
The Quagga BGP daemon (bgpd) prior to version 1.2.3 has a bug in its parsing of "Capabilities" in BGP OPEN messages, in the bgp_packet.c:bgp_capability_msg_parse function. The parser can enter an infinite loop on invalid capabilities if a Multi-Protocol capability does not have a recognized AFI/SAFI, causing a denial of service.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
23- Range: <1.2.3
- osv-coords21 versionspkg:rpm/opensuse/quagga&distro=openSUSE%20Tumbleweedpkg:rpm/suse/quagga&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/quagga&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/quagga&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/quagga&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/quagga&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1-LTSSpkg:rpm/suse/quagga&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/quagga&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/quagga&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5pkg:rpm/suse/quagga&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/quagga&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/quagga&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/quagga&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/quagga&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/quagga&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/quagga&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP5pkg:rpm/suse/quagga&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/quagga&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/quagga&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3pkg:rpm/suse/quagga&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP5pkg:rpm/suse/quagga&distro=SUSE%20OpenStack%20Cloud%206
< 1.2.4-2.14+ 20 more
- (no CPE)range: < 1.2.4-2.14
- (no CPE)range: < 0.99.15-0.30.3.1
- (no CPE)range: < 0.99.15-0.30.3.1
- (no CPE)range: < 0.99.15-0.30.3.1
- (no CPE)range: < 0.99.15-0.30.3.1
- (no CPE)range: < 0.99.22.1-16.4.1
- (no CPE)range: < 1.1.1-17.7.1
- (no CPE)range: < 1.1.1-17.7.1
- (no CPE)range: < 1.1.1-17.13.1
- (no CPE)range: < 0.99.22.1-16.4.1
- (no CPE)range: < 1.1.1-17.7.1
- (no CPE)range: < 0.99.15-0.30.3.1
- (no CPE)range: < 0.99.22.1-16.4.1
- (no CPE)range: < 1.1.1-17.7.1
- (no CPE)range: < 1.1.1-17.7.1
- (no CPE)range: < 1.1.1-17.13.1
- (no CPE)range: < 0.99.15-0.30.3.1
- (no CPE)range: < 1.1.1-17.7.1
- (no CPE)range: < 1.1.1-17.7.1
- (no CPE)range: < 1.1.1-17.13.1
- (no CPE)range: < 0.99.22.1-16.4.1
- Quagga/bgpdv5Range: bpgd
Patches
Vulnerability mechanics
References
8- savannah.nongnu.org/forum/forum.phpnvdThird Party Advisory
- www.kb.cert.org/vuls/id/940439nvdThird Party AdvisoryUS Government Resource
- cert-portal.siemens.com/productcert/pdf/ssa-451142.pdfnvdMitigationThird Party Advisory
- gogs.quagga.net/Quagga/quagga/src/master/doc/security/Quagga-2018-1975.txtnvdVendor Advisory
- lists.debian.org/debian-lts-announce/2018/02/msg00021.htmlnvdMailing ListThird Party Advisory
- security.gentoo.org/glsa/201804-17nvdThird Party Advisory
- usn.ubuntu.com/3573-1/nvdThird Party Advisory
- www.debian.org/security/2018/dsa-4115nvdThird Party Advisory
News mentions
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