How severe is CVE-2026-7379?

CVE-2026-7379 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2026-7379 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2026-7379?

CVE-2026-7379 affects Wireshark. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2026-7379?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2026-7379 have an EU (EUVD) identifier?

Yes. CVE-2026-7379 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26313.

When was CVE-2026-7379 published?

CVE-2026-7379 was published on 2026-04-30 and last updated on 2026-06-17.

CVE-2026-7379

CVE-2026-7379 is a medium-severity vulnerability in Wireshark with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-401.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2026-26313
Weakness: CWE-401
Affected product: Wireshark
Published: 2026-04-30
Last modified: 2026-06-17

Description

Memory leak in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Frequently asked questions

What is CVE-2026-7379?: Memory leak in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
How severe is CVE-2026-7379?: CVE-2026-7379 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2026-7379 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2026-7379?: CVE-2026-7379 affects Wireshark. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2026-7379?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2026-7379 have an EU (EUVD) identifier?: Yes. CVE-2026-7379 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2026-26313.
When was CVE-2026-7379 published?: CVE-2026-7379 was published on 2026-04-30 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*

More vulnerabilities in Wireshark

CVE-2011-0444 — Critical (CVSS 10.0): Buffer overflow in the MAC-LTE dissector (epan/dissectors/packet-mac-lte.c) in Wireshark 1.2.0 through 1.2.13 and 1.4.0…
CVE-2010-2995 — Critical (CVSS 10.0): The SigComp Universal Decompressor Virtual Machine (UDVM) in Wireshark 0.10.8 through 1.0.14 and 1.2.0 through 1.2.9…
CVE-2010-2994 — Critical (CVSS 10.0): Stack-based buffer overflow in the ASN.1 BER dissector in Wireshark 0.10.13 through 1.0.14 and 1.2.0 through 1.2.9 has…
CVE-2009-1266 — Critical (CVSS 10.0): Unspecified vulnerability in Wireshark before 1.0.7 has unknown impact and attack vectors.
CVE-2009-1210 — Critical (CVSS 10.0): Format string vulnerability in the PROFINET/DCP (PN-DCP) dissector in Wireshark 1.0.6 and earlier allows remote…
CVE-2008-3146 — Critical (CVSS 10.0): Multiple buffer overflows in packet_ncp2222.inc in Wireshark (formerly Ethereal) 0.9.7 through 1.0.2 allow attackers to…

All CVEs affecting Wireshark →

Other CWE-401 (Missing Release of Memory after Effective Lifetime) vulnerabilities

CVE-2026-46289 — Critical (CVSS 9.8): In the Linux kernel, the following vulnerability has been resolved: lib/scatterlist: fix length calculations in…
CVE-2022-0742 — Critical (CVSS 9.1): Memory leak in icmp6 implementation in Linux Kernel 5.13+ allows a remote attacker to DoS a host by making it go…
CVE-2024-25450 — High (CVSS 8.8): imlib2 v1.9.1 was discovered to mishandle memory allocation in the function init_imlib_fonts().
CVE-2023-33718 — High (CVSS 8.8): mp4v2 v2.1.3 was discovered to contain a memory leak via MP4File::ReadString() at mp4file_io.cpp
CVE-2021-40633 — High (CVSS 8.8): A memory leak (out-of-memory) in gif2rgb in util/gif2rgb.c in giflib 5.1.4 allows remote attackers trigger an out of…
CVE-2021-3492 — High (CVSS 8.8): Shiftfs, an out-of-tree stacking file system included in Ubuntu Linux kernels, did not properly handle faults occurring…

Browse all CWE-401 (Missing Release of Memory after Effective Lifetime) vulnerabilities →