Detections
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Oracle Linux 10 : glibc (ELSA-2026-76781)

critical Nessus Plugin ID 377061

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-76781 advisory.

 - CVE-2026-8674: Denial of Service via long DNS search domain (RHEL-264714)
 - CVE-2026-77117: Non-progress DoS in SHIFT_JISX0213 decoding (RHEL-248057)
 - CVE-2026-80489: Non-progress DoS in EUC_JISX0213 decoding (RHEL-249634)
 - CVE-2026-18374: Heap buffer overflow via attacker-controlled fopen mode string (RHEL-251518)
 - CVE-2026-19499: Buffer overflow in strfmon right-justification padding (RHEL-248034)
 - CVE-2026-19542: Fix out-of-bounds array write in tdelete (RHEL-247957)
 - CVE-2026-6791: Stack overflow in wordexp tilde expansion (RHEL-238485)
 - CVE-2026-6368: wordexp WRDE_APPEND state rollback on error (RHEL-238479)

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

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

Solution

Update the affected packages.

See Also

https://linux.oracle.com/errata/ELSA-2026-76781.html

Plugin Details

Severity: Critical

ID: 377061

File Name: oraclelinux_ELSA-2026-76781.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 11/6/2026

Updated: 11/6/2026

Supported Sensors: Continuous Assessment, Frictionless Assessment Agent, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.5

Percentile: 57.75

CVSS v2

Risk Factor: High

Base Score: 7.3

Temporal Score: 5.4

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:P/A:C

CVSS Score Source: CVE-2026-19499

CVSS v3

Risk Factor: High

Base Score: 7.7

Temporal Score: 6.7

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Critical

Base Score: 9

Threat Score: 6.6

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:H/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:L/SA:H

CVSS Score Source: CVE-2026-6791

Vulnerability Information

CPE: cpe:/o:oracle:linux:10, cpe:/o:oracle:linux:10:2:baseos_patch, p-cpe:/a:oracle:linux:glibc-all-langpacks, p-cpe:/a:oracle:linux:glibc-benchtests, p-cpe:/a:oracle:linux:glibc-common, p-cpe:/a:oracle:linux:glibc-devel, p-cpe:/a:oracle:linux:glibc-doc, p-cpe:/a:oracle:linux:glibc-gconv-extra, p-cpe:/a:oracle:linux:glibc-langpack-aa, p-cpe:/a:oracle:linux:glibc-langpack-af, p-cpe:/a:oracle:linux:glibc-langpack-agr, p-cpe:/a:oracle:linux:glibc-langpack-ak, p-cpe:/a:oracle:linux:glibc-langpack-am, p-cpe:/a:oracle:linux:glibc-langpack-an, p-cpe:/a:oracle:linux:glibc-langpack-anp, p-cpe:/a:oracle:linux:glibc-langpack-ar, p-cpe:/a:oracle:linux:glibc-langpack-as, p-cpe:/a:oracle:linux:glibc-langpack-ast, p-cpe:/a:oracle:linux:glibc-langpack-ayc, p-cpe:/a:oracle:linux:glibc-langpack-az, p-cpe:/a:oracle:linux:glibc-langpack-be, p-cpe:/a:oracle:linux:glibc-langpack-bem, p-cpe:/a:oracle:linux:glibc-langpack-ber, p-cpe:/a:oracle:linux:glibc-langpack-bg, p-cpe:/a:oracle:linux:glibc-langpack-bhb, p-cpe:/a:oracle:linux:glibc-langpack-bho, p-cpe:/a:oracle:linux:glibc-langpack-bi, p-cpe:/a:oracle:linux:glibc-langpack-bn, p-cpe:/a:oracle:linux:glibc-langpack-bo, p-cpe:/a:oracle:linux:glibc-langpack-br, p-cpe:/a:oracle:linux:glibc-langpack-brx, p-cpe:/a:oracle:linux:glibc-langpack-bs, p-cpe:/a:oracle:linux:glibc-langpack-byn, p-cpe:/a:oracle:linux:glibc-langpack-ca, p-cpe:/a:oracle:linux:glibc-langpack-ce, p-cpe:/a:oracle:linux:glibc-langpack-chr, p-cpe:/a:oracle:linux:glibc-langpack-ckb, p-cpe:/a:oracle:linux:glibc-langpack-cmn, p-cpe:/a:oracle:linux:glibc-langpack-crh, p-cpe:/a:oracle:linux:glibc-langpack-cs, p-cpe:/a:oracle:linux:glibc-langpack-csb, p-cpe:/a:oracle:linux:glibc-langpack-cv, p-cpe:/a:oracle:linux:glibc-langpack-cy, p-cpe:/a:oracle:linux:glibc-langpack-da, p-cpe:/a:oracle:linux:glibc-langpack-de, p-cpe:/a:oracle:linux:glibc-langpack-doi, p-cpe:/a:oracle:linux:glibc-langpack-dsb, p-cpe:/a:oracle:linux:glibc-langpack-dv, p-cpe:/a:oracle:linux:glibc-langpack-dz, p-cpe:/a:oracle:linux:glibc-langpack-el, p-cpe:/a:oracle:linux:glibc-langpack-en, p-cpe:/a:oracle:linux:glibc-langpack-eo, p-cpe:/a:oracle:linux:glibc-langpack-es, p-cpe:/a:oracle:linux:glibc-langpack-et, p-cpe:/a:oracle:linux:glibc-langpack-eu, p-cpe:/a:oracle:linux:glibc-langpack-fa, p-cpe:/a:oracle:linux:glibc-langpack-ff, p-cpe:/a:oracle:linux:glibc-langpack-fi, p-cpe:/a:oracle:linux:glibc-langpack-fil, p-cpe:/a:oracle:linux:glibc-langpack-fo, p-cpe:/a:oracle:linux:glibc-langpack-fr, p-cpe:/a:oracle:linux:glibc-langpack-fur, p-cpe:/a:oracle:linux:glibc-langpack-fy, p-cpe:/a:oracle:linux:glibc-langpack-ga, p-cpe:/a:oracle:linux:glibc-langpack-gbm, p-cpe:/a:oracle:linux:glibc-langpack-gd, p-cpe:/a:oracle:linux:glibc-langpack-gez, p-cpe:/a:oracle:linux:glibc-langpack-gl, p-cpe:/a:oracle:linux:glibc-langpack-gu, p-cpe:/a:oracle:linux:glibc-langpack-gv, p-cpe:/a:oracle:linux:glibc-langpack-ha, p-cpe:/a:oracle:linux:glibc-langpack-hak, p-cpe:/a:oracle:linux:glibc-langpack-he, p-cpe:/a:oracle:linux:glibc-langpack-hi, p-cpe:/a:oracle:linux:glibc-langpack-hif, p-cpe:/a:oracle:linux:glibc-langpack-hne, p-cpe:/a:oracle:linux:glibc-langpack-hr, p-cpe:/a:oracle:linux:glibc-langpack-hsb, p-cpe:/a:oracle:linux:glibc-langpack-ht, p-cpe:/a:oracle:linux:glibc-langpack-hu, p-cpe:/a:oracle:linux:glibc-langpack-hy, p-cpe:/a:oracle:linux:glibc-langpack-ia, p-cpe:/a:oracle:linux:glibc-langpack-id, p-cpe:/a:oracle:linux:glibc-langpack-ig, p-cpe:/a:oracle:linux:glibc-langpack-ik, p-cpe:/a:oracle:linux:glibc-langpack-is, p-cpe:/a:oracle:linux:glibc-langpack-it, p-cpe:/a:oracle:linux:glibc-langpack-iu, p-cpe:/a:oracle:linux:glibc-langpack-ja, p-cpe:/a:oracle:linux:glibc-langpack-ka, p-cpe:/a:oracle:linux:glibc-langpack-kab, p-cpe:/a:oracle:linux:glibc-langpack-kk, p-cpe:/a:oracle:linux:glibc-langpack-kl, p-cpe:/a:oracle:linux:glibc-langpack-km, p-cpe:/a:oracle:linux:glibc-langpack-kn, p-cpe:/a:oracle:linux:glibc-langpack-ko, p-cpe:/a:oracle:linux:glibc-langpack-kok, p-cpe:/a:oracle:linux:glibc-langpack-ks, p-cpe:/a:oracle:linux:glibc-langpack-ku, p-cpe:/a:oracle:linux:glibc-langpack-kv, p-cpe:/a:oracle:linux:glibc-langpack-kw, p-cpe:/a:oracle:linux:glibc-langpack-ky, p-cpe:/a:oracle:linux:glibc-langpack-lb, p-cpe:/a:oracle:linux:glibc-langpack-lg, p-cpe:/a:oracle:linux:glibc-langpack-li, p-cpe:/a:oracle:linux:glibc-langpack-lij, p-cpe:/a:oracle:linux:glibc-langpack-ln, p-cpe:/a:oracle:linux:glibc-langpack-lo, p-cpe:/a:oracle:linux:glibc-langpack-lt, p-cpe:/a:oracle:linux:glibc-langpack-lv, p-cpe:/a:oracle:linux:glibc-langpack-lzh, p-cpe:/a:oracle:linux:glibc-langpack-mag, p-cpe:/a:oracle:linux:glibc-langpack-mai, p-cpe:/a:oracle:linux:glibc-langpack-mfe, p-cpe:/a:oracle:linux:glibc-langpack-mg, p-cpe:/a:oracle:linux:glibc-langpack-mhr, p-cpe:/a:oracle:linux:glibc-langpack-mi, p-cpe:/a:oracle:linux:glibc-langpack-miq, p-cpe:/a:oracle:linux:glibc-langpack-mjw, p-cpe:/a:oracle:linux:glibc-langpack-mk, p-cpe:/a:oracle:linux:glibc-langpack-ml, p-cpe:/a:oracle:linux:glibc-langpack-mn, p-cpe:/a:oracle:linux:glibc-langpack-mni, p-cpe:/a:oracle:linux:glibc-langpack-mnw, p-cpe:/a:oracle:linux:glibc-langpack-mr, p-cpe:/a:oracle:linux:glibc-langpack-ms, p-cpe:/a:oracle:linux:glibc-langpack-mt, p-cpe:/a:oracle:linux:glibc-langpack-my, p-cpe:/a:oracle:linux:glibc-langpack-nan, p-cpe:/a:oracle:linux:glibc-langpack-nb, p-cpe:/a:oracle:linux:glibc-langpack-nds, p-cpe:/a:oracle:linux:glibc-langpack-ne, p-cpe:/a:oracle:linux:glibc-langpack-nhn, p-cpe:/a:oracle:linux:glibc-langpack-niu, p-cpe:/a:oracle:linux:glibc-langpack-nl, p-cpe:/a:oracle:linux:glibc-langpack-nn, p-cpe:/a:oracle:linux:glibc-langpack-nr, p-cpe:/a:oracle:linux:glibc-langpack-nso, p-cpe:/a:oracle:linux:glibc-langpack-oc, p-cpe:/a:oracle:linux:glibc-langpack-om, p-cpe:/a:oracle:linux:glibc-langpack-or, p-cpe:/a:oracle:linux:glibc-langpack-os, p-cpe:/a:oracle:linux:glibc-langpack-pa, p-cpe:/a:oracle:linux:glibc-langpack-pap, p-cpe:/a:oracle:linux:glibc-langpack-pl, p-cpe:/a:oracle:linux:glibc-langpack-ps, p-cpe:/a:oracle:linux:glibc-langpack-pt, p-cpe:/a:oracle:linux:glibc-langpack-quz, p-cpe:/a:oracle:linux:glibc-langpack-raj, p-cpe:/a:oracle:linux:glibc-langpack-rif, p-cpe:/a:oracle:linux:glibc-langpack-ro, p-cpe:/a:oracle:linux:glibc-langpack-ru, p-cpe:/a:oracle:linux:glibc-langpack-rw, p-cpe:/a:oracle:linux:glibc-langpack-sa, p-cpe:/a:oracle:linux:glibc-langpack-sah, p-cpe:/a:oracle:linux:glibc-langpack-sat, p-cpe:/a:oracle:linux:glibc-langpack-sc, p-cpe:/a:oracle:linux:glibc-langpack-sd, p-cpe:/a:oracle:linux:glibc-langpack-se, p-cpe:/a:oracle:linux:glibc-langpack-sgs, p-cpe:/a:oracle:linux:glibc-langpack-shn, p-cpe:/a:oracle:linux:glibc-langpack-shs, p-cpe:/a:oracle:linux:glibc-langpack-si, p-cpe:/a:oracle:linux:glibc-langpack-sid, p-cpe:/a:oracle:linux:glibc-langpack-sk, p-cpe:/a:oracle:linux:glibc-langpack-sl, p-cpe:/a:oracle:linux:glibc-langpack-sm, p-cpe:/a:oracle:linux:glibc-langpack-so, p-cpe:/a:oracle:linux:glibc-langpack-sq, p-cpe:/a:oracle:linux:glibc-langpack-sr, p-cpe:/a:oracle:linux:glibc-langpack-ss, p-cpe:/a:oracle:linux:glibc-langpack-ssy, p-cpe:/a:oracle:linux:glibc-langpack-st, p-cpe:/a:oracle:linux:glibc-langpack-su, p-cpe:/a:oracle:linux:glibc-langpack-sv, p-cpe:/a:oracle:linux:glibc-langpack-sw, p-cpe:/a:oracle:linux:glibc-langpack-syr, p-cpe:/a:oracle:linux:glibc-langpack-szl, p-cpe:/a:oracle:linux:glibc-langpack-ta, p-cpe:/a:oracle:linux:glibc-langpack-tcy, p-cpe:/a:oracle:linux:glibc-langpack-te, p-cpe:/a:oracle:linux:glibc-langpack-tg, p-cpe:/a:oracle:linux:glibc-langpack-th, p-cpe:/a:oracle:linux:glibc-langpack-the, p-cpe:/a:oracle:linux:glibc-langpack-ti, p-cpe:/a:oracle:linux:glibc-langpack-tig, p-cpe:/a:oracle:linux:glibc-langpack-tk, p-cpe:/a:oracle:linux:glibc-langpack-tl, p-cpe:/a:oracle:linux:glibc-langpack-tn, p-cpe:/a:oracle:linux:glibc-langpack-to, p-cpe:/a:oracle:linux:glibc-langpack-tok, p-cpe:/a:oracle:linux:glibc-langpack-tpi, p-cpe:/a:oracle:linux:glibc-langpack-tr, p-cpe:/a:oracle:linux:glibc-langpack-ts, p-cpe:/a:oracle:linux:glibc-langpack-tt, p-cpe:/a:oracle:linux:glibc-langpack-ug, p-cpe:/a:oracle:linux:glibc-langpack-uk, p-cpe:/a:oracle:linux:glibc-langpack-unm, p-cpe:/a:oracle:linux:glibc-langpack-ur, p-cpe:/a:oracle:linux:glibc-langpack-uz, p-cpe:/a:oracle:linux:glibc-langpack-ve, p-cpe:/a:oracle:linux:glibc-langpack-vi, p-cpe:/a:oracle:linux:glibc-langpack-wa, p-cpe:/a:oracle:linux:glibc-langpack-wae, p-cpe:/a:oracle:linux:glibc-langpack-wal, p-cpe:/a:oracle:linux:glibc-langpack-wo, p-cpe:/a:oracle:linux:glibc-langpack-xh, p-cpe:/a:oracle:linux:glibc-langpack-yi, p-cpe:/a:oracle:linux:glibc-langpack-yo, p-cpe:/a:oracle:linux:glibc-langpack-yue, p-cpe:/a:oracle:linux:glibc-langpack-yuw, p-cpe:/a:oracle:linux:glibc-langpack-zgh, p-cpe:/a:oracle:linux:glibc-langpack-zh, p-cpe:/a:oracle:linux:glibc-langpack-zu, p-cpe:/a:oracle:linux:glibc-locale-source, p-cpe:/a:oracle:linux:glibc-minimal-langpack, p-cpe:/a:oracle:linux:glibc-nss-devel, p-cpe:/a:oracle:linux:glibc-static, p-cpe:/a:oracle:linux:glibc-utils, p-cpe:/a:oracle:linux:glibc, p-cpe:/a:oracle:linux:libnsl, p-cpe:/a:oracle:linux:nss_db, p-cpe:/a:oracle:linux:nss_hesiod

Required KB Items: Host/OracleLinux, Host/RedHat/release, Host/RedHat/rpm-list, Host/local_checks_enabled

Exploit Ease: No known exploits are available

Patch Publication Date: 11/3/2026

Vulnerability Publication Date: 8/10/2026

Reference Information

CVE: CVE-2026-19499, CVE-2026-19542, CVE-2026-6368, CVE-2026-6791

IAVA: 2026-A-0897