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CVE-2026-18728

Medium priority
Needs evaluation

A flaw was found in open-iscsi. An integer underflow vulnerability in the `iscsiuio` component, specifically during IPv4 Dynamic Host Configuration Protocol (DHCP) parsing, allows a remote attacker on the same local...

1 affected package

open-iscsi

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
open-iscsi Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-18727

Medium priority
Needs evaluation

A flaw was found in open-iscsi's iscsiuio component. This vulnerability involves an integer underflow and out-of-bounds read during Dynamic Host Configuration Protocol for IPv6 (DHCPv6) packet parsing. Specifically, crafted DHCPv6...

1 affected package

open-iscsi

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
open-iscsi Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-18726

Medium priority
Needs evaluation

A flaw was found in open-iscsi. This vulnerability allows a remote attacker on the same local network segment to cause a Denial of Service (DoS) in the iscsiuio daemon. By sending a specially crafted Internet Control...

1 affected package

open-iscsi

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
open-iscsi Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-55995

Medium priority
Needs evaluation

A Double Free vulnerability in open-iscsi allows an unauthenticated MITM attacker to cause DoS. This issue affects open-iscsi: from ? through 56718d4e9d1a4f51c30697b5c0534144bb41c9bb.

2 affected packages

open-iscsi, open-isns

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
open-iscsi Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
open-isns Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-44944

Medium priority
Needs evaluation

An Incorrect Authorization vulnerability in open-iscsi allows unprivilidged local users to use the isscsiuio control socket. This issue affects open-iscsi: from ? through 668ca1df9c9a1e9bdd5c999ae1d67c9c8909237e.

1 affected package

open-iscsi

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
open-iscsi Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2026-44943

Medium priority
Needs evaluation

An Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in open-iscsi allows remote MITM attackers  to create root-owned files outside the database and inject lines into the record. This...

1 affected package

open-iscsi

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
open-iscsi Needs evaluation Needs evaluation Needs evaluation Needs evaluation Needs evaluation
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CVE-2020-24335

Medium priority
Not affected

An issue was discovered in uIP through 1.0, as used in Contiki and Contiki-NG. Domain name parsing lacks bounds checks, allowing an attacker to corrupt memory with crafted DNS packets.

1 affected package

open-iscsi

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
open-iscsi Not affected Not affected
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CVE-2020-17438

Medium priority
Not affected

An issue was discovered in uIP 1.0, as used in Contiki 3.0 and other products. The code that reassembles fragmented packets fails to properly validate the total length of an incoming packet specified in its IP header, as well as...

1 affected package

open-iscsi

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
open-iscsi Not affected Not affected
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CVE-2020-17437

Low priority

Some fixes available 8 of 9

An issue was discovered in uIP 1.0, as used in Contiki 3.0 and other products. When the Urgent flag is set in a TCP packet, and the stack is configured to ignore the urgent data, the stack attempts to use the value of the Urgent...

1 affected package

open-iscsi

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
open-iscsi Fixed Fixed Fixed
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CVE-2020-13988

Low priority

Some fixes available 8 of 9

An issue was discovered in Contiki through 3.0. An Integer Overflow exists in the uIP TCP/IP Stack component when parsing TCP MSS options of IPv4 network packets in uip_process in net/ipv4/uip.c.

1 affected package

open-iscsi

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
open-iscsi Fixed Fixed Fixed
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