High severity7.5NVD Advisory· Published Feb 23, 2018· Updated Jun 17, 2026
CVE-2018-7420
CVE-2018-7420
Description
In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the pcapng file parser could crash. This was addressed in wiretap/pcapng.c by adding a block-size check for sysdig event blocks.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
14- osv-coords13 versionspkg:rpm/opensuse/wireshark&distro=openSUSE%20Tumbleweedpkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP2pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Desktop%2012%20SP3pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%2011%20SP4pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP2pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP3pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%20for%20Raspberry%20Pi%2012%20SP2pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2011%20SP4pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP2pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2012%20SP3pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2011%20SP4pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP2pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Software%20Development%20Kit%2012%20SP3
< 3.4.8-1.2+ 12 more
- (no CPE)range: < 3.4.8-1.2
- (no CPE)range: < 2.2.13-48.21.1
- (no CPE)range: < 2.2.13-48.21.1
- (no CPE)range: < 2.2.13-40.22.1
- (no CPE)range: < 2.2.13-48.21.1
- (no CPE)range: < 2.2.13-48.21.1
- (no CPE)range: < 2.2.13-48.21.1
- (no CPE)range: < 2.2.13-40.22.1
- (no CPE)range: < 2.2.13-48.21.1
- (no CPE)range: < 2.2.13-48.21.1
- (no CPE)range: < 2.2.13-40.22.1
- (no CPE)range: < 2.2.13-48.21.1
- (no CPE)range: < 2.2.13-48.21.1
Patches
Vulnerability mechanics
References
6- www.securityfocus.com/bid/103163nvdThird Party AdvisoryVDB Entry
- bugs.wireshark.org/bugzilla/show_bug.cginvdIssue TrackingVendor Advisory
- lists.debian.org/debian-lts-announce/2018/04/msg00018.htmlnvdMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlnvdMailing ListThird Party Advisory
- www.wireshark.org/security/wnpa-sec-2018-11.htmlnvdVendor Advisory
- code.wireshark.org/review/gitwebnvd
News mentions
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