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UnratedFix available

Fix CVE(s): CVE-2025-69720

Type: advisorySources: OSV

* SECURITY UPDATE: stack buffer overflow in the infocmp -i option - debian/patches/CVE-2025-69720.patch: in analyze_string() in progs/infocmp.c, clamp the copy length taken from strlen(cp) to MAX_TERMINFO_LENGTH and grow buf2 by one byte for the terminating NUL, so an over-long capability string can no longer overflow the fixed-size stack buffer. - CVE-2025-69720

Products
lib32ncurses5, lib32ncurses5-dev, lib32ncursesw5, lib32ncursesw5-dev, lib32tinfo-dev, lib32tinfo5, libncurses5, libncurses5-dev, libncursesw5, libncursesw5-dev, libtinfo-dev, libtinfo5, libx32ncurses5, libx32ncurses5-dev, libx32ncursesw5, libx32ncursesw5-dev, libx32tinfo-dev, libx32tinfo5, ncurses-base, ncurses-bin, ncurses-doc, ncurses-examples, ncurses-term
Affected versions
Not specified
Fixed versions
6.1-1ubuntu1.18.04.1+tuxcare.els1
CVEs
CVE-2025-69720
Confirmed fixed CVEs
Not specified
Updated in this feed
1 Nov 2026, 11:41 UTC · Revision 1

Source evidence

Fix CVE(s): CVE-2025-69720

core-osv · Original source

Published 25 Aug 2026, 13:17 UTC

* SECURITY UPDATE: stack buffer overflow in the infocmp -i option - debian/patches/CVE-2025-69720.patch: in analyze_string() in progs/infocmp.c, clamp the copy length taken from strlen(cp) to MAX_TERMINFO_LENGTH and grow buf2 by one byte for the terminating NUL, so an over-long capability string can no longer overflow the fixed-size stack buffer. - CVE-2025-69720

osv:CLSA-2026-1787663865

lib32ncurses5

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

lib32ncurses5-dev

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

lib32ncursesw5

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

lib32ncursesw5-dev

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

lib32tinfo-dev

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

lib32tinfo5

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

libncurses5

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

libncurses5-dev

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

libncursesw5

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

libncursesw5-dev

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

libtinfo-dev

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

libtinfo5

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

libx32ncurses5

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

libx32ncurses5-dev

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

libx32ncursesw5

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

libx32ncursesw5-dev

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

libx32tinfo-dev

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

libx32tinfo5

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

ncurses-base

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

ncurses-bin

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

ncurses-doc

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

ncurses-examples

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

ncurses-term

Fixed versions: 6.1-1ubuntu1.18.04.1+tuxcare.els1

Complete source record
{
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  "url": "https://osv.dev/vulnerability/CLSA-2026-1787663865",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Fix CVE(s): CVE-2025-69720",
    "summary": "* SECURITY UPDATE: stack buffer overflow in the infocmp -i option - debian/patches/CVE-2025-69720.patch: in analyze_string() in progs/infocmp.c, clamp the copy length taken from strlen(cp) to MAX_TERMINFO_LENGTH and grow buf2 by one byte for the terminating NUL, so an over-long capability string can no longer overflow the fixed-size stack buffer. - CVE-2025-69720",
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          "evidence": "/affected/17/package/name"
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        "name": {
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          "evidence": "/affected/18/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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          "evidence": "/affected/19/package/name"
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        "name": {
          "value": "ncurses-doc",
          "evidence": "/affected/20/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
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            "value": "6.1-1ubuntu1.18.04.1+tuxcare.els1",
            "evidence": "/affected/20/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "ncurses-examples",
          "evidence": "/affected/21/package/name"
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        "prerequisites": [],
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          "evidence": "/affected/22/package/name"
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        "prerequisites": [],
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          {
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    "severity": "unknown",
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      "aliases": [
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      "affected": [
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          },
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          "package": {
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          "package": {
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            "purl": "pkg:deb/tuxcare/libtinfo5?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
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          "database_specific": {
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          ],
          "package": {
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            "purl": "pkg:deb/tuxcare/libx32ncurses5?distro=ubuntu-18.04",
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          "database_specific": {
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          ],
          "package": {
            "name": "libx32ncurses5-dev",
            "purl": "pkg:deb/tuxcare/libx32ncurses5-dev?distro=ubuntu-18.04",
            "ecosystem": "TuxCare:Ubuntu:18.04"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/ubuntu18.04els/CLSA-2026-1787663865.json"
          }
        },
        {
          "ranges": [
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      ],
      "modified": "2026-10-26T09:32:03.615989026Z",
      "provider": "osv",
      "upstream": [
        "CVE-2025-69720"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/ubuntu18.04els/CLSA-2026-1787663865.html",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-69720"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2025-69720",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 449535,
  "published_at": "2026-08-25T13:17:56+00:00"
}