CVE-2026-32746

criticalpriority · track · 11EPSS 0.025 · 85 %ileexploit · PoCDEEURUUS

grimoire priorityP1 · Urgent

Exploitable?

Public exploit

8 exploits · PoC

Likely / severe?

2.54% (85th) EPSS

CVSS 9.8 · critical

Is it mine?

30 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-24

telnetd in GNU inetutils through 2.7 allows an out-of-bounds write in the LINEMODE SLC (Set Local Characters) suboption handler because add_slc does not check whether the buffer is full.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

Fixedkrb5-appl-clients-0:1.0.3-3.12.1.aarch64 as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkrb5-appl-clients-0:1.0.3-3.12.1.ppc64le as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkrb5-appl-clients-0:1.0.3-3.12.1.s390x as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkrb5-appl-clients-0:1.0.3-3.12.1.x86_64 as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkrb5-appl-clients-0:1.0.3-3.12.1.x86_64 as component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkrb5-appl-servers-0:1.0.3-3.12.1.aarch64 as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkrb5-appl-servers-0:1.0.3-3.12.1.ppc64le as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkrb5-appl-servers-0:1.0.3-3.12.1.s390x as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkrb5-appl-servers-0:1.0.3-3.12.1.x86_64 as component of SUSE Linux Enterprise Server 12 SP5-LTSSsuse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkrb5-appl-servers-0:1.0.3-3.12.1.x86_64 as component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkrb5-appl-clients-0:1.0.3-bp160.2.1.aarch64 as component of openSUSE Leap 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkrb5-appl-clients-0:1.0.3-bp160.2.1.ppc64le as component of openSUSE Leap 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkrb5-appl-clients-0:1.0.3-bp160.2.1.s390x as component of openSUSE Leap 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkrb5-appl-clients-0:1.0.3-bp160.2.1.x86_64 as component of openSUSE Leap 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkrb5-appl-servers-0:1.0.3-bp160.2.1.aarch64 as component of openSUSE Leap 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkrb5-appl-servers-0:1.0.3-bp160.2.1.ppc64le as component of openSUSE Leap 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkrb5-appl-servers-0:1.0.3-bp160.2.1.s390x as component of openSUSE Leap 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
Fixedkrb5-appl-servers-0:1.0.3-bp160.2.1.x86_64 as component of openSUSE Leap 16.0suse_csaf
To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

cvss

Technical severity, 0–10. One row per scoring source.

9.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · ENISA EU

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · cve@mitre.org USexploitability 3.9 · impact 5.9

v3.19.3criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Psecondary · CVSS-BT (t0sche)

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · SUSE Product Security

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: poc · Automatable: yes · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-120USCWE-120US

exploits (8)

Public proof-of-concept and weaponised exploit code.

EDB-52556telnetd 2.7 - Buffer OverflowPoC · exploit_db
MonkeySeC-sys/KangarooKangaroo is a exploit built on CVE-2026-32746. i made this for security researchers, IT professionals, DevOps. so they can understand it better. DO NOT USE THIS FOR ILLEGAL USE, IF YOU DO... YOU MAY BE SUBJECT TO ARREST, AND FINES.PoC · poc_in_github
chosenonehacks/CVE-2026-32746chosenonehacks/CVE-2026-32746PoC · poc_in_github
danindiana/cve-2026-32746-mitigationdanindiana/cve-2026-32746-mitigationPoC · poc_in_github
duduLiu8787/CVE-2026-32746-ExploitduduLiu8787/CVE-2026-32746-ExploitPoC · poc_in_github
jeffaf/cve-2026-32746CVE-2026-32746 - GNU InetUtils telnetd LINEMODE SLC Buffer Overflow PoC (pre-auth RCE, CVSS 9.8)PoC · poc_in_github

affected products (30)

Products and version ranges known to be affected.

Debian Linuxall versionscert_bundDEcpe:/o:debian:debian_linux:-
IGEL OSall versionscert_bundDEcpe:/o:igel:os:-
Open Source InetUtils <=2.7all versionscert_bundDE
SUSE Linuxall versionscert_bundDEcpe:/o:suse:suse_linux:-
SUSE openSUSEall versionscert_bundDEcpe:/o:suse:opensuse:-
Synology DiskStation Manager <7.2.1-69057-11all versionscert_bundDE
Synology DiskStation Manager <7.2.2-72806-8all versionscert_bundDE
Synology DiskStation Manager <7.3.2-86009-3all versionscert_bundDE
Ubuntu Linuxall versionscert_bundDEcpe:/o:canonical:ubuntu_linux:-
Open Source InetUtils≤ 2.7cert_bundDE
Synology DiskStation Manager< 7.2.1-69057-11cert_bundDE
Synology DiskStation Manager< 7.2.2-72806-8cert_bundDE
Synology DiskStation Manager< 7.3.2-86009-3cert_bundDE
GNU Inetutils≤ 0 ≤2.7enisa_euvdEU
Canonical Ltd. Ubuntu≤ 25.10fstec_bduRU
Canonical Ltd. Ubuntu≤ 14.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 18.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 20.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 22.04 LTSfstec_bduRU
Canonical Ltd. Ubuntu≤ 24.04 LTSfstec_bduRU

showing 20 of 30

advisories (3)

Vendor and ecosystem advisories describing this.

SUSE-SU-2026:0930-1Security update for krb5-appl2026-03-18csaf · suse_csafDE
Security update for krb5-appl
WID-SEC-W-2026-0734GNU InetUtils: Mehrere SchwachstellenDeutsch2026-03-15csaf · cert_bundDE
Ein Angreifer kann mehrere Schwachstellen in GNU InetUtils ausnutzen, um beliebigen Programmcode auszuführen, und um Informationen offenzulegen.
openSUSE-SU-2026:20374-1Security update for krb5-appl2026-03-17csaf · suse_csafDE
Security update for krb5-appl

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund suse_csaf NVD CVE.org MITRE

published 2026-03-13modified 2026-09-22

references (9)

External citations — patches, advisories, analysis.

scry

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