CVE-2021-39926

Summary

Buffer overflow in the Bluetooth HCI_ISO dissector in Wireshark 3.4.0 to 3.4.9 allows denial of service via packet injection or crafted capture file

Affected Software

Weaknesses

• Buffer copy without checking size of input ('classic buffer overflow') in Wireshark

ADP Enrichment

CVE Program Container

Additional References

• https://www.wireshark.org/security/wnpa-sec-2021-08.html
• https://gitlab.com/wireshark/wireshark/-/issues/17649
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39926.json
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/
• https://www.debian.org/security/2021/dsa-5019
• https://security.gentoo.org/glsa/202210-04

References

• https://www.wireshark.org/security/wnpa-sec-2021-08.html
• https://gitlab.com/wireshark/wireshark/-/issues/17649
• https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39926.json
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/YEWTIRMC2MFQBZ2O5M4CJHJM4JPBHLXH/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/A6AJFIYIHS3TYDD2EBYBJ5KKE52X34BJ/
• https://www.debian.org/security/2021/dsa-5019
• https://security.gentoo.org/glsa/202210-04

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