Critical severity9.8NVD Advisory· Published Sep 21, 2016· Updated Jun 17, 2026
CVE-2016-6354
CVE-2016-6354
Description
Heap-based buffer overflow in the yy_get_next_buffer function in Flex before 2.6.1 might allow context-dependent attackers to cause a denial of service or possibly execute arbitrary code via vectors involving num_to_read.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
65- osv-coords64 versionspkg:rpm/opensuse/firefox-esr&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaFirefox&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/MozillaThunderbird&distro=openSUSE%20Tumbleweedpkg:rpm/suse/at&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/at&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/at&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/bogofilter&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/bogofilter&distro=SUSE%20Linux%20Enterprise%20Workstation%20Extension%2012%20SP1pkg:rpm/suse/cyrus-imapd&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/cyrus-imapd&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/firefox-fontconfig&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/flex&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/flex&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/flex&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/kdelibs4&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/kdelibs4&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/kdelibs4&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/libbonobo&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/libbonobo&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/libbonobo&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/libbonobo&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/libQtWebKit4&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/libQtWebKit4&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/libQtWebKit4&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/libQtWebKit4&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/mdbtools&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/MozillaFirefox-branding-SLED&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Point%20of%20Sale%2011%20SP3pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP3-TERADATApkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%2012-LTSSpkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Manager%202.1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20Manager%20Proxy%202.1pkg:rpm/suse/MozillaFirefox&distro=SUSE%20OpenStack%20Cloud%205pkg:rpm/suse/mozilla-nspr&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/mozilla-nss&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP2-LTSSpkg:rpm/suse/MozillaThunderbird&distro=SUSE%20Package%20Hub%2012pkg:rpm/suse/netpbm&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/netpbm&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/netpbm&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/netpbm&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/openslp&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/openslp&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/openslp&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/openslp&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/sgmltool&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP1pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP1pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP1pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP1pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2
< 128.5.1-1.1+ 63 more
- (no CPE)range: < 128.5.1-1.1
- (no CPE)range: < 50.1.0-1.1
- (no CPE)range: < 45.5.1-1.1
- (no CPE)range: < 3.1.14-7.3
- (no CPE)range: < 3.1.14-7.3
- (no CPE)range: < 3.1.14-7.3
- (no CPE)range: < 1.2.4-5.3
- (no CPE)range: < 1.2.4-5.3
- (no CPE)range: < 2.3.18-40.1
- (no CPE)range: < 2.3.18-40.1
- (no CPE)range: < 2.11.0-4.2
- (no CPE)range: < 2.5.37-8.1
- (no CPE)range: < 2.5.37-8.1
- (no CPE)range: < 2.5.37-8.1
- (no CPE)range: < 4.12.0-7.3
- (no CPE)range: < 4.12.0-7.3
- (no CPE)range: < 4.12.0-7.3
- (no CPE)range: < 2.32.1-16.1
- (no CPE)range: < 2.32.1-16.1
- (no CPE)range: < 2.32.1-16.1
- (no CPE)range: < 2.32.1-16.1
- (no CPE)range: < 4.8.6+2.3.3-3.1
- (no CPE)range: < 4.8.6+2.3.3-3.1
- (no CPE)range: < 4.8.6+2.3.3-3.1
- (no CPE)range: < 4.8.6+2.3.3-3.1
- (no CPE)range: < 0.7-5.1
- (no CPE)range: < 45.0-20.38
- (no CPE)range: < 45.3.0esr-78.1
- (no CPE)range: < 45.3.0esr-50.1
- (no CPE)range: < 45.3.0esr-48.1
- (no CPE)range: < 45.3.0esr-50.1
- (no CPE)range: < 45.3.0esr-50.1
- (no CPE)range: < 45.3.0esr-50.1
- (no CPE)range: < 45.3.0esr-78.1
- (no CPE)range: < 45.3.0esr-78.1
- (no CPE)range: < 45.3.0esr-50.1
- (no CPE)range: < 45.3.0esr-78.1
- (no CPE)range: < 45.3.0esr-78.1
- (no CPE)range: < 45.3.0esr-50.1
- (no CPE)range: < 45.3.0esr-78.1
- (no CPE)range: < 45.3.0esr-50.1
- (no CPE)range: < 45.3.0esr-50.1
- (no CPE)range: < 45.3.0esr-50.1
- (no CPE)range: < 4.12-25.2
- (no CPE)range: < 3.21.1-26.2
- (no CPE)range: < 45.3.0-9.1
- (no CPE)range: < 10.66.3-4.1
- (no CPE)range: < 10.66.3-4.1
- (no CPE)range: < 10.66.3-4.1
- (no CPE)range: < 10.66.3-4.1
- (no CPE)range: < 2.0.0-11.1
- (no CPE)range: < 2.0.0-11.1
- (no CPE)range: < 2.0.0-11.1
- (no CPE)range: < 2.0.0-11.1
- (no CPE)range: < 1.0.9-1075.1
- (no CPE)range: < 2.2.6-44.3
- (no CPE)range: < 2.2.6-44.3
- (no CPE)range: < 2.2.6-44.3
- (no CPE)range: < 2.2.6-44.3
- (no CPE)range: < 2.2.6-44.3
- (no CPE)range: < 2.2.6-44.3
- (no CPE)range: < 2.2.6-44.3
- (no CPE)range: < 2.2.6-44.3
- (no CPE)range: < 2.2.6-44.3
Patches
Vulnerability mechanics
References
5- github.com/westes/flex/commit/a5cbe929ac3255d371e698f62dc256afe7006466nvdPatch
- www.debian.org/security/2016/dsa-3653nvdThird Party Advisory
- www.openwall.com/lists/oss-security/2016/07/18/8nvdRelease NotesThird Party Advisory
- www.openwall.com/lists/oss-security/2016/07/26/12nvdRelease NotesThird Party Advisory
- security.gentoo.org/glsa/201701-31nvd
News mentions
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