Espeak-ng 1.52-dev was discovered to contain a Stack Buffer Overflow via the function RemoveEnding at dictionary.c.

The remote Debian 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-4198 advisory.

    - -------------------------------------------------------------------------     Debian LTS Advisory DLA-4198-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/                    Thorsten Alteholz     May 31, 2025                                  https://wiki.debian.org/LTS
    - -------------------------------------------------------------------------

    Package        : espeak-ng     Version        : 1.50+dfsg-7+deb11u2     CVE ID         : CVE-2023-49990 CVE-2023-49991 CVE-2023-49992                      CVE-2023-49993 CVE-2023-49994


    Several issues have been found in espeak-ng, a Multi-lingual software     speech synthesizer.
    The issues are related to buffer overflow or underflow in several     functions and a floating point exception.



    For Debian 11 bullseye, these problems have been fixed in version     1.50+dfsg-7+deb11u2.

    We recommend that you upgrade your espeak-ng packages.

    For the detailed security status of espeak-ng please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/espeak-ng

    Further information about Debian LTS security advisories, how to apply     these updates to your system and frequen

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Espeak-ng 1.52-dev was discovered to contain a Stack Buffer Overflow via the function RemoveEnding at     dictionary.c. (CVE-2023-49992)

Note that Nessus relies on the presence of the package as reported by the vendor.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2024:2632-1 advisory.

    - CVE-2023-49990: Fixed buffer overflow in SetUpPhonemeTable function at synthdata.c (bsc#1218010)
    - CVE-2023-49991: Fixed stack-buffer-underflow exists in the function CountVowelPosition in synthdata.c     (bsc#1218006)
    - CVE-2023-49992: Fixed stack-buffer-overflow exists in the function RemoveEnding in dictionary.c     (bsc#1218007)
    - CVE-2023-49993: Fixed buffer overflow in ReadClause function at readclause.c (bsc#1218008)
    - CVE-2023-49994: Fixed floating point exception in PeaksToHarmspect at wavegen.c (bsc#1218009)

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 23.10 host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-6858-1 advisory.

    It was discovered that eSpeak NG did not properly manage memory under certain circumstances. An attacker     could possibly use this issue to cause a denial of service, or execute arbitrary code. (CVE-2023-49990,     CVE-2023-49991, CVE-2023-49992, CVE-2023-49993, CVE-2023-49994)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 38 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-698737a3c5 advisory.

    Security fix for CVE-2023-49990, CVE-2023-49991, CVE-2023-49992, CVE-2023-49993, CVE-2023-49994.

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Fedora 39 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2024-5661c87b25 advisory.

    Security fix for CVE-2023-49990, CVE-2023-49991, CVE-2023-49992, CVE-2023-49993, CVE-2023-49994.

Tenable has extracted the preceding description block directly from the Fedora security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

ID	Name	Product	Family	Severity
237620	Debian dla-4198 : espeak-ng - security update	Nessus	Debian Local Security Checks	medium
227043	Linux Distros Unpatched Vulnerability : CVE-2023-49992	Nessus	Misc.	medium
204897	SUSE SLED15 / SLES15 / openSUSE 15 Security Update : espeak-ng (SUSE-SU-2024:2632-1)	Nessus	SuSE Local Security Checks	medium
201188	Ubuntu 18.04 LTS / 20.04 LTS / 22.04 LTS / 23.10 : eSpeak NG vulnerabilities (USN-6858-1)	Nessus	Ubuntu Local Security Checks	medium
189219	Fedora 38 : espeak-ng (2024-698737a3c5)	Nessus	Fedora Local Security Checks	medium
187848	Fedora 39 : espeak-ng (2024-5661c87b25)	Nessus	Fedora Local Security Checks	medium

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