Packages / Debian 13 (Trixie) / Source / libs / lwip

Source Package: lwip (2.2.1+dfsg1-1)

small implementation of the TCP/IP protocol suite - shared library

The following binary packages are built from this source package:

  • liblwip0t64

    small implementation of the TCP/IP protocol suite - shared library

  • liblwip-dev

    small implementation of the TCP/IP protocol suite - development files

  • liblwip-doc

    small implementation of the TCP/IP protocol suite - documentation

Known vulnerabilities

Matching against OpenFactory catalog package versions is in progress.

CVESeverityVersion impact
[CVE-2026-112062]

Published:

lwIP through 2.2.1 contains a stack out-of-bounds write vulnerability in mdns_handle_response that allows adjacent attackers to corrupt stack memory by sending mDNS responses with invalid domain names

Medium(6)Affected
Details (6)
  • 2.2.1+dfsg1-1 · amd64 · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · arm64 · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · amd64 · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · arm64 · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · all · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · all · trixie

    Affected

    nvd · lwip · debian · 13

[CVE-2026-15340]

Published:

lwIP SMTP client does not check the size of inputs, potentially allowing a buffer overflow.

Critical(9.8)Affected
Details (6)
  • 2.2.1+dfsg1-1 · amd64 · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · arm64 · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · amd64 · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · arm64 · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · all · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · all · trixie

    Affected

    nvd · lwip · debian · 13

[CVE-2026-87121]

Published:

lwIP TCP/IP Stack MQTT is vulnerable to an out-of-bounds write, which may allow an attacker to gain full code execution on the device.

Critical(9.8)Affected
Details (6)
  • 2.2.1+dfsg1-1 · amd64 · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · arm64 · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · amd64 · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · arm64 · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · all · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · all · trixie

    Affected

    nvd · lwip · debian · 13

[CVE-2026-91018]

Published:

lwIP (Lightweight IP) has a double free vulnerability, which could crash the system, cause a DoS, memory corruption, or allow code execution on the victim system.

High(8.8)Affected
Details (6)
  • 2.2.1+dfsg1-1 · amd64 · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · arm64 · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · amd64 · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · arm64 · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · all · trixie

    Affected

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · all · trixie

    Affected

    nvd · lwip · debian · 13

[CVE-2026-8836]

Published:

A vulnerability was found in lwIP up to 2.2.1. Affected is the function snmp_parse_inbound_frame of the file src/apps/snmp/snmp_msg.c of the component snmpv3 USM Handler. Performing a manipulation of

Critical(9.8)Affected
Details (6)
  • 2.2.1+dfsg1-1 · amd64 · trixie

    Affected · Fixed: 2.2.1+dfsg1-1+deb13u1

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · arm64 · trixie

    Affected · Fixed: 2.2.1+dfsg1-1+deb13u1

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · amd64 · trixie

    Affected · Fixed: 2.2.1+dfsg1-1+deb13u1

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · arm64 · trixie

    Affected · Fixed: 2.2.1+dfsg1-1+deb13u1

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · all · trixie

    Affected · Fixed: 2.2.1+dfsg1-1+deb13u1

    nvd · lwip · debian · 13

  • 2.2.1+dfsg1-1 · all · trixie

    Affected · Fixed: 2.2.1+dfsg1-1+deb13u1

    nvd · lwip · debian · 13

Fixed and unaffected versions (3)
CVESeverityVersion impact
[CVE-2020-22283]

Published:

lwIP vulnerabilities

MediumFixed
Details (6)
  • 2.2.1+dfsg1-1 · amd64 · trixie

    Fixed · Fixed: 2.1.3+dfsg1-1

    usn · lwip · debian · 13

  • 2.2.1+dfsg1-1 · arm64 · trixie

    Fixed · Fixed: 2.1.3+dfsg1-1

    usn · lwip · debian · 13

  • 2.2.1+dfsg1-1 · amd64 · trixie

    Fixed · Fixed: 2.1.3+dfsg1-1

    usn · lwip · debian · 13

  • 2.2.1+dfsg1-1 · arm64 · trixie

    Fixed · Fixed: 2.1.3+dfsg1-1

    usn · lwip · debian · 13

  • 2.2.1+dfsg1-1 · all · trixie

    Fixed · Fixed: 2.1.3+dfsg1-1

    usn · lwip · debian · 13

  • 2.2.1+dfsg1-1 · all · trixie

    Fixed · Fixed: 2.1.3+dfsg1-1

    usn · lwip · debian · 13

[CVE-2020-22284]

Published:

lwIP vulnerabilities

MediumFixed
Details (6)
  • 2.2.1+dfsg1-1 · amd64 · trixie

    Fixed · Fixed: 2.1.3+dfsg1-1

    usn · lwip · debian · 13

  • 2.2.1+dfsg1-1 · arm64 · trixie

    Fixed · Fixed: 2.1.3+dfsg1-1

    usn · lwip · debian · 13

  • 2.2.1+dfsg1-1 · amd64 · trixie

    Fixed · Fixed: 2.1.3+dfsg1-1

    usn · lwip · debian · 13

  • 2.2.1+dfsg1-1 · arm64 · trixie

    Fixed · Fixed: 2.1.3+dfsg1-1

    usn · lwip · debian · 13

  • 2.2.1+dfsg1-1 · all · trixie

    Fixed · Fixed: 2.1.3+dfsg1-1

    usn · lwip · debian · 13

  • 2.2.1+dfsg1-1 · all · trixie

    Fixed · Fixed: 2.1.3+dfsg1-1

    usn · lwip · debian · 13

[CVE-2020-8597]

Published:

lwIP vulnerabilities

Critical(9.8)Fixed
Details (6)
  • 2.2.1+dfsg1-1 · amd64 · trixie

    Fixed · Fixed: 2.1.2+dfsg1-5

    usn · lwip · debian · 13

  • 2.2.1+dfsg1-1 · arm64 · trixie

    Fixed · Fixed: 2.1.2+dfsg1-5

    usn · lwip · debian · 13

  • 2.2.1+dfsg1-1 · amd64 · trixie

    Fixed · Fixed: 2.1.2+dfsg1-5

    usn · lwip · debian · 13

  • 2.2.1+dfsg1-1 · arm64 · trixie

    Fixed · Fixed: 2.1.2+dfsg1-5

    usn · lwip · debian · 13

  • 2.2.1+dfsg1-1 · all · trixie

    Fixed · Fixed: 2.1.2+dfsg1-5

    usn · lwip · debian · 13

  • 2.2.1+dfsg1-1 · all · trixie

    Fixed · Fixed: 2.1.2+dfsg1-5

    usn · lwip · debian · 13

Last synced:

[CVE catalog]

Sources

  • Authoritative source; repository metadata signature verified

    Signature evidence

    trixie-main-amd64:3ab4e811cf4f3e5a335d382c58cc19d85f1abe7a4ef4689160ca1f637fa0e9b3

    Repository-signature verification record
    Signed-object SHA-256
    98b25b5cd185c59d34aa6e4c3e9b5b8f01bbe9d104fe2dcfbcd30dc0a14a59ed
    Signer fingerprint
    4CB50190207B4758A3F73A796ED0E7B82643E131
    Keyring revision
    debian-archive-keyring.gpg
    SHA-256 506b815cbb32d9b6066b4a2aa524071e071761e7e7f68c3ac74f3061ba852017
    Tool and policy
    gpgv (GnuPG) 2.4.9
    openfactory-software-catalog-signature-v1
    Verification time
    Sep 1, 2026
    Repository metadata hash linkage
    Path
    main/binary-amd64/Packages.xz
    Expected SHA-256
    3ab4e811cf4f3e5a335d382c58cc19d85f1abe7a4ef4689160ca1f637fa0e9b3
    Observed SHA-256
    3ab4e811cf4f3e5a335d382c58cc19d85f1abe7a4ef4689160ca1f637fa0e9b3
    Result
    match verified
  • Authoritative source; repository metadata signature verified

    Signature evidence

    trixie-main-arm64:753da751bbc7a679f48bd1b623ffd4479cb6861c426118284c76eb82909e4908

    Repository-signature verification record
    Signed-object SHA-256
    98b25b5cd185c59d34aa6e4c3e9b5b8f01bbe9d104fe2dcfbcd30dc0a14a59ed
    Signer fingerprint
    4CB50190207B4758A3F73A796ED0E7B82643E131
    Keyring revision
    debian-archive-keyring.gpg
    SHA-256 506b815cbb32d9b6066b4a2aa524071e071761e7e7f68c3ac74f3061ba852017
    Tool and policy
    gpgv (GnuPG) 2.4.9
    openfactory-software-catalog-signature-v1
    Verification time
    Sep 1, 2026
    Repository metadata hash linkage
    Path
    main/binary-arm64/Packages.xz
    Expected SHA-256
    753da751bbc7a679f48bd1b623ffd4479cb6861c426118284c76eb82909e4908
    Observed SHA-256
    753da751bbc7a679f48bd1b623ffd4479cb6861c426118284c76eb82909e4908
    Result
    match verified