CVE-2023-2858 — Out-of-bounds Write in Wireshark

CWE-787 — Out-of-bounds WriteCWE-122 — Heap-based Buffer OverflowCWE-364 — Signal Handler Race Condition10 documents7 sources
Severity
6.5MEDIUMNVD
CNA5.3
EPSS
0.1%
top 82.05%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
WiresharkWireshark Foundation WiresharkDebian Linux
Timeline
PublishedMay 26
Latest updateDec 24

Description

NetScaler file parser crash in Wireshark 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 allows denial of service via crafted capture file

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HExploitability: 2.8 | Impact: 3.6

Affected Packages3 packages

▶NVDwireshark/wireshark3.6.0 — 3.6.14+1
▶Debianwireshark/wireshark< 3.4.16-0+deb11u1+3
▶CVEListV5wireshark_foundation/wireshark>=3.6.0, <3.6.14, >=4.0.0, <4.0.6+1

Also affects: Debian Linux 10.0, 12.0

Patches

Patch: gitlab.com ↗Patch: gitlab.com ↗

🔴Vulnerability Details

4
OSV
net: prevent skb corruption on frag list segmentation↗2025-12-24
▶
OSV
CVE-2023-2858: NetScaler file parser crash in Wireshark 4↗2023-05-26
▶
GHSA
GHSA-wcmq-57jj-6qwc: NetScaler file parser crash in Wireshark 4↗2023-05-26
▶
CVEList
CVE-2023-2858: NetScaler file parser crash in Wireshark 4↗2023-05-26
▶

📋Vendor Advisories

3
Red Hat
kernel: bpf: Skip task with pid=1 in send_signal_common()↗2025-03-27
▶
Red Hat
wireshark: NetScaler file parser crash↗2023-05-17
▶
Debian
CVE-2023-2858: wireshark - NetScaler file parser crash in Wireshark 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 allo...↗2023
▶
CVE-2023-2858 — Out-of-bounds Write in Wireshark | cvebase