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Zafiyetler / CVE-2018-6836

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CVE-2018-6836

wireshark: free operation on an uninitialized memory address in wiretap/netmon.c

Yayın Değişiklik CWE 763
En geç 24 Eki 2026, 07:11 UTC tarihinden beri Trivy database'indeO derlemeden önce ne zaman girdiği kayıtlı değil.

Kaynağa göre önem derecesi

NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat3.3CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Trivy'nin kendi etiketi CRITICAL. Kritik diyenler: NVD. Daha düşük diyenler: Ubuntu (orta), Red Hat (düşük).

Açıklama

The netmonrec_comment_destroy function in wiretap/netmon.c in Wireshark through 2.4.4 performs a free operation on an uninitialized memory address, which allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact.

Etkilenen paketler ve düzeltilmiş sürümler

KaynakPaketDüzeltildiği sürüm
Red Hatwireshark, wireshark-cli, wireshark-devel ve 1 tane dahadüzeltme belirtilmemiş
ubuntu 14.04wireshark2.6.3-1~ubuntu14.04.1
ubuntu 14.04-ESMwireshark2.6.3-1~ubuntu14.04.1
ubuntu 16.04wireshark2.6.3-1~ubuntu16.04.1
ubuntu 16.04-ESMwireshark2.6.3-1~ubuntu16.04.1
ubuntu 18.04wireshark2.6.3-1~ubuntu18.04.1
ubuntu 18.04-ESMwireshark2.6.3-1~ubuntu18.04.1
7 kaynaktaki 10 kaydın hepsini göster
KaynakPaketDüzeltildiği sürüm
Red Hatwiresharkdüzeltme belirtilmemiş
Red Hatwireshark-clidüzeltme belirtilmemiş
Red Hatwireshark-develdüzeltme belirtilmemiş
Red Hatwireshark-gnomedüzeltme belirtilmemiş
ubuntu 14.04wireshark2.6.3-1~ubuntu14.04.1
ubuntu 14.04-ESMwireshark2.6.3-1~ubuntu14.04.1
ubuntu 16.04wireshark2.6.3-1~ubuntu16.04.1
ubuntu 16.04-ESMwireshark2.6.3-1~ubuntu16.04.1
ubuntu 18.04wireshark2.6.3-1~ubuntu18.04.1
ubuntu 18.04-ESMwireshark2.6.3-1~ubuntu18.04.1

Referanslar

Vulnerability data compiled from the Trivy vulnerability database (trivy-db, Aqua Security, Apache License 2.0), which aggregates third-party advisories. CVE records are published by The MITRE Corporation under the CVE Terms of Use; CVE is a trademark of MITRE. This product uses data from the NVD API but is not endorsed or certified by the NVD. Severity, titles and advisory data from the GitHub Advisory Database (CC BY 4.0), Red Hat security data (CC BY 4.0) and the other sources linked on each entry. Entries may be summarised or re-formatted; the linked original is the authoritative record.