High severity7.5NVD Advisory· Published Oct 6, 2020· Updated Jun 17, 2026
CVE-2020-25862
CVE-2020-25862
Description
In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
9- Wireshark/Wiresharkdescription
- osv-coords7 versionspkg:rpm/opensuse/wireshark&distro=openSUSE%20Leap%2015.1pkg:rpm/opensuse/wireshark&distro=openSUSE%20Leap%2015.2pkg:rpm/opensuse/wireshark&distro=openSUSE%20Tumbleweedpkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP1pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP2pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP1pkg:rpm/suse/wireshark&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP2
< 3.2.7-lp151.2.15.1+ 6 more
- (no CPE)range: < 3.2.7-lp151.2.15.1
- (no CPE)range: < 3.2.7-lp152.2.6.1
- (no CPE)range: < 3.4.8-1.2
- (no CPE)range: < 3.2.7-3.41.1
- (no CPE)range: < 3.2.7-3.41.1
- (no CPE)range: < 3.2.7-3.41.1
- (no CPE)range: < 3.2.7-3.41.1
Patches
Vulnerability mechanics
References
10- gitlab.com/wireshark/wireshark/-/commit/7f3fe6164a68b76d9988c4253b24d43f498f1753nvdPatchThird Party Advisory
- www.oracle.com/security-alerts/cpujan2021.htmlnvdPatchThird Party Advisory
- gitlab.com/wireshark/wireshark/-/issues/16816nvdExploitIssue TrackingThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-11/msg00035.htmlnvdMailing ListThird Party Advisory
- lists.opensuse.org/opensuse-security-announce/2020-11/msg00038.htmlnvdMailing ListThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/02/msg00008.htmlnvdMailing ListThird Party Advisory
- www.wireshark.org/security/wnpa-sec-2020-12.htmlnvdVendor Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DQHPKZFQ7W3X34RYN3FWFYCFJD4FXJW/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6IGRYKW4XLR44YDWTAH547ODYYBYPB2D/nvd
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ZUHMK5HYTUUDXA64T2TAMAFMYV674QBW/nvd
News mentions
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