30日 金曜日、大安

+ RHSA-2026:1592 Moderate: iperf3 security update

https://access.redhat.com/errata/RHSA-2026:1592

CVE-2025-54349

+ RHSA-2026:1574 Important: gimp:2.8 security update

https://access.redhat.com/errata/RHSA-2026:1574

CVE-2025-14422

+ RHSA-2026:1595 Moderate: iperf3 security update

https://access.redhat.com/errata/RHSA-2026:1595

CVE-2025-54349

+ RHSA-2026:1536 Moderate: Red Hat Ceph Storage 9.0 Security and Enhancement update

https://access.redhat.com/errata/RHSA-2026:1536

CVE-2023-25153

CVE-2024-11831

CVE-2024-31884

CVE-2025-30204

CVE-2025-52555

+ Nginx 1.25.x Server Version Information Disclosure

https://cxsecurity.com/issue/WLB-2026010018

セキュリティー担当者　1年目の教科書

まず守りたい認証情報　多要素認証で堅固にする

Part4 認証の防御を知る

https://xtech.nikkei.com/atcl/nxt/mag/nnw/18/011900237/011900004/?ST=nxt_thmit_security

セキュリティー担当者　1年目の教科書

マルウエアと攻撃手法の基礎　ランサムウエア攻撃から学ぶ

Part3 攻撃を知る

https://xtech.nikkei.com/atcl/nxt/mag/nnw/18/011900237/011900003/?ST=nxt_thmit_security

セキュリティー担当者　1年目の教科書

基本は「境界」を重視　重要な保護対象は3つある

Part2 守る対象を知る

https://xtech.nikkei.com/atcl/nxt/mag/nnw/18/011900237/011900002/?ST=nxt_thmit_security

セキュリティー担当者　1年目の教科書

企業の情報やシステムを守る　基本の3つの視点

Part1 基礎を知る

https://xtech.nikkei.com/atcl/nxt/mag/nnw/18/011900237/011900001/?ST=nxt_thmit_security

月刊ランサムリポート

2025年11月のランサム被害は70件減少　「Qilin」は活動減速も攻撃数トップ

https://xtech.nikkei.com/atcl/nxt/mag/nnw/18/041600214/011900012/?ST=nxt_thmit_security

日経コンピュータ 勝村幸博の「今日も誰かが狙われる」

フィッシング詐欺が記者を直撃　事例で学ぶ「だまし」の常とう手段

https://xtech.nikkei.com/atcl/nxt/mag/nc/18/052100113/012800178/?ST=nxt_thmit_security

月刊ランサムリポート 第14回

活動再開した「LockBit」の被害急増、25年12月のランサム被害

https://xtech.nikkei.com/atcl/nxt/column/18/03053/012800015/?ST=nxt_thmit_security

UPDATE: JVNVU#94456756 Siemens製品に対するアップデート（2026年1月）

https://jvn.jp/vu/JVNVU94456756/index.html

JVNVU#92878805 ブラザー製複合機（MFP）における複数の脆弱性

https://jvn.jp/vu/JVNVU92878805/index.html

JVNVU#91636632 iba Systems製ibaPDAにおける重要なリソースに対する不適切なアクセス権の割り当ての脆弱性

https://jvn.jp/vu/JVNVU91636632/index.html

JVNVU#92170350 Festo Didactic SE製MES PCにプリインストールされたXAMPPにおける複数の脆弱性

https://jvn.jp/vu/JVNVU92170350/index.html

JVNVU#94266166 複数のSchneider Electric製品における複数の脆弱性

https://jvn.jp/vu/JVNVU94266166/index.html

JVNVU#99454170 複数のJohnson Controls製品におけるコマンドインジェクションの脆弱性

https://jvn.jp/vu/JVNVU99454170/index.html

29日 木曜日、仏滅

+ RHSA-2026:1518 Important: grafana-pcp security update

https://access.redhat.com/errata/RHSA-2026:1518

CVE-2025-61729

+ RHSA-2026:1509 Important: spice-client-win security update

https://access.redhat.com/errata/RHSA-2026:1509

CVE-2025-14523

+ RHSA-2026:1478 Moderate: python3.9 security update

https://access.redhat.com/errata/RHSA-2026:1478

CVE-2025-12084

+ About the security content of Keynote 15.1

https://support.apple.com/en-us/126254

CVE-2025-46306

+ About the security content of Pages 15.1

https://support.apple.com/en-us/126255

CVE-2025-46316

+ Google Chrome 145.0.7632.26/.27 released

https://chromereleases.googleblog.com/2026/01/early-stable-update-for-desktop_28.html

+ Mozilla Firefox 147.0.2 released

https://www.firefox.com/en-US/firefox/147.0.2/releasenotes/

+ Mozilla Foundation Security Advisory 2026-07 Security Vulnerabilities fixed in Thunderbird 147.0.1

https://www.mozilla.org/en-US/security/advisories/mfsa2026-07/

CVE-2026-0818

+ Mozilla Foundation Security Advisory 2026-08 Security Vulnerabilities fixed in Thunderbird 140.7.1

https://www.mozilla.org/en-US/security/advisories/mfsa2026-08/

+ Mozilla Thunderbird 147.0.1 released

https://www.thunderbird.net/en-US/thunderbird/147.0.1/releasenotes/

+ Apache Tomcat 10.1.52 Released

https://tomcat.apache.org/tomcat-10.1-doc/changelog.html#Tomcat_10.1.52_(schultz)

+ GnuPGの脆弱性(High: CVE-2026-24881, CVE-2026-24882, Low: CVE-2026-24883)

https://security.sios.jp/vulnerability/gnupg-security-vulnerability-20260129/

CVE-2026-24881

CVE-2026-24882

CVE-2026-24883

育て「明日のセキュリティー人材」

大学や高専の教育現場を取材

https://xtech.nikkei.com/atcl/nxt/mag/nnw/18/011900238/011900001/?ST=nxt_thmit_security

NEWS close-up

2026年の脅威予測が続々公表

攻撃者は「スループット重視」に向かう　守る側の勝利条件は「人×AI」に

https://xtech.nikkei.com/atcl/nxt/mag/nnw/18/041800012/011900314/?ST=nxt_thmit_security

ソフトバンクの会員サービスで他人の情報が表示される不具合、延べ8600件

https://xtech.nikkei.com/atcl/nxt/news/24/03061/?ST=nxt_thmit_security

JVNVU#97726449 libheifにおける境界外読み取りの脆弱性

https://jvn.jp/vu/JVNVU97726449/index.html

28日 水曜日、先負

+ Gpg4win 5.0.1 released

https://www.gpg4win.org/change-history.html

+ RHSA-2026:1380 Moderate: osbuild-composer security update

https://access.redhat.com/errata/RHSA-2026:1380

CVE-2025-58183

+ RHSA-2026:1374 Moderate: python3.11 security update

https://access.redhat.com/errata/RHSA-2026:1374

CVE-2025-12084

CVE-2025-13836

+ RHSA-2026:1344 Important: grafana security update

https://access.redhat.com/errata/RHSA-2026:1344

CVE-2025-61729

+ RHSA-2026:1254 Important: python-urllib3 security update

https://access.redhat.com/errata/RHSA-2026:1254

CVE-2025-66418

CVE-2025-66471

CVE-2026-21441

+ RHSA-2026:1226 Important: python3.12-urllib3 security update

https://access.redhat.com/errata/RHSA-2026:1226

CVE-2025-66418

CVE-2025-66471

CVE-2026-21441

+ RHSA-2026:1224 Important: python3.11-urllib3 security update

https://access.redhat.com/errata/RHSA-2026:1224

CVE-2025-66418

CVE-2025-66471

CVE-2026-21441

+ RHSA-2026:0932 Important: java-1.8.0-openjdk security update

https://access.redhat.com/errata/RHSA-2026:0932

CVE-2025-64720

CVE-2025-65018

CVE-2026-21925

CVE-2026-21933

CVE-2026-21945

+ RHSA-2026:1142 Important: kernel security update

https://access.redhat.com/errata/RHSA-2026:1142

CVE-2023-53673

CVE-2025-40154

CVE-2025-40248

CVE-2025-40277

+ RHSA-2026:1429 Important: php:8.3 security update

https://access.redhat.com/errata/RHSA-2026:1429

CVE-2025-14177

CVE-2025-14178

CVE-2025-14180

+ RHSA-2026:1410 Moderate: python3.11 security update

https://access.redhat.com/errata/RHSA-2026:1410

CVE-2025-12084

CVE-2025-13836

+ RHSA-2026:1408 Moderate: python3.12 security update

https://access.redhat.com/errata/RHSA-2026:1408

CVE-2025-12084

CVE-2025-13836

+ RHSA-2026:1381 Moderate: osbuild-composer security update

https://access.redhat.com/errata/RHSA-2026:1381

CVE-2025-58183

+ RHSA-2026:1350 Moderate: curl security update

https://access.redhat.com/errata/RHSA-2026:1350

CVE-2025-9086

+ RHSA-2026:0933 Important: java-25-openjdk security update

https://access.redhat.com/errata/RHSA-2026:0933

CVE-2025-64720

CVE-2025-65018

CVE-2026-21925

CVE-2026-21933

CVE-2026-21945

+ RHSA-2026:1143 Important: kernel security update

https://access.redhat.com/errata/RHSA-2026:1143

CVE-2025-38141

CVE-2025-38349

CVE-2025-38731

CVE-2025-40248

CVE-2025-40258

CVE-2025-40294

CVE-2025-68301

CVE-2025-68305

+ RHSA-2026:1089 Important: python3.11-urllib3 security update

https://access.redhat.com/errata/RHSA-2026:1089

CVE-2025-66418

CVE-2025-66471

CVE-2026-21441

+ RHSA-2026:1088 Important: python3.12-urllib3 security update

https://access.redhat.com/errata/RHSA-2026:1088

CVE-2025-66418

CVE-2025-66471

CVE-2026-21441

+ RHSA-2026:1087 Important: python-urllib3 security update

https://access.redhat.com/errata/RHSA-2026:1087

CVE-2025-66418

CVE-2025-66471

CVE-2026-21441

+ Google Chrome 144.0.7559.109/.110 released

https://chromereleases.googleblog.com/2026/01/stable-channel-update-for-desktop_27.html

+ Mozilla Foundation Security Advisory 2026-06 Security Vulnerabilities fixed in Firefox 147.0.2

https://www.mozilla.org/en-US/security/advisories/mfsa2026-06/

CVE-2026-24868

CVE-2026-24869

+ FreeBSD-SA-26:02.jail Jail escape by a privileged user via nullfs

https://www.freebsd.org/security/advisories/FreeBSD-SA-26:02.jail.asc

CVE-2025-15547

+ FreeBSD-SA-26:01.openssl Multiple vulnerabilities in OpenSSL

https://www.freebsd.org/security/advisories/FreeBSD-SA-26:01.openssl.asc

CVE-2025-11187

CVE-2025-15467

CVE-2025-15468

CVE-2025-15469

CVE-2025-66199

CVE-2025-68160

CVE-2025-69418

CVE-2025-69419

CVE-2025-69420

CVE-2025-69421

CVE-2026-22795

CVE-2026-22796

+ OpenSSL 3.6.1 released

https://github.com/openssl/openssl/releases/tag/openssl-3.6.1

+ Improper validation of PBMAC1 parameters in PKCS#12 MAC verification

https://openssl-library.org/news/vulnerabilities/index.html#CVE-2025-11187

CVE-2025-11187

+ Stack buffer overflow in CMS AuthEnvelopedData parsing

https://openssl-library.org/news/vulnerabilities/index.html#CVE-2025-15467

CVE-2025-15467

+ NULL dereference in SSL_CIPHER_find() function on unknown cipher ID

https://openssl-library.org/news/vulnerabilities/index.html#CVE-2025-15468

CVE-2025-15468

+ 'openssl dgst' one-shot codepath silently truncates inputs >16MB

https://openssl-library.org/news/vulnerabilities/index.html#CVE-2025-15469

CVE-2025-15469

+ TLS 1.3 CompressedCertificate excessive memory allocation

https://openssl-library.org/news/vulnerabilities/index.html#CVE-2025-66199

CVE-2025-66199

+ Heap out-of-bounds write in BIO_f_linebuffer on short writes

https://openssl-library.org/news/vulnerabilities/index.html#CVE-2025-68160

CVE-2025-68160

+ Unauthenticated/unencrypted trailing bytes with low-level OCB function calls

https://openssl-library.org/news/vulnerabilities/index.html#CVE-2025-69418

CVE-2025-69418

+ Out of bounds write in PKCS12_get_friendlyname() UTF-8 conversion

https://openssl-library.org/news/vulnerabilities/index.html#CVE-2025-69419

CVE-2025-69419

+ Missing ASN1_TYPE validation in TS_RESP_verify_response() function

https://openssl-library.org/news/vulnerabilities/index.html#CVE-2025-69420

CVE-2025-69420

+ NULL Pointer Dereference in PKCS12_item_decrypt_d2i_ex function

https://openssl-library.org/news/vulnerabilities/index.html#CVE-2025-69421

CVE-2025-69421

+ Missing ASN1_TYPE validation in PKCS#12 parsing

https://openssl-library.org/news/vulnerabilities/index.html#CVE-2026-22795

CVE-2026-22795

+ ASN1_TYPE Type Confusion in the PKCS7_digest_from_attributes() function

https://openssl-library.org/news/vulnerabilities/index.html#CVE-2026-22796

CVE-2026-22796

+ OpenSSLの脆弱性(High: CVE-2025-15467, Moderate: CVE-2025-11187, Low: CVE-2025-15468, CVE-2025-15469, CVE-2025-66199, CVE-2025-68160, CVE-2025-69418, CVE-2025-69419, CVE-2025-69420, CVE-2025-69421, CVE-2026-22795, CVE-2026-22796)と新バージョン(3.6.1, 3.5.5, 3.4.4, 3.3.6, 3.0.19)

https://security.sios.jp/vulnerability/openssl-security-vulnerability-20260128/

CVE-2025-15467

CVE-2025-11187

CVE-2025-15468

CVE-2025-15469

CVE-2025-66199

CVE-2025-68160

CVE-2025-69418

CVE-2025-69419

CVE-2025-69420

CVE-2025-69421

CVE-2026-22795

CVE-2026-22796

JVN#03776126 beat-access Windows版におけるDLL読み込みに関する脆弱性

https://jvn.jp/jp/JVN03776126/index.html

JVNVU#94651499 Archer MR600におけるOSコマンドインジェクションの脆弱性

https://jvn.jp/vu/JVNVU94651499/index.html

NEWS close-up

ランサム攻撃者が使う「EDR回避」に注意

EDRを封じられたアサヒやアスクル　回避手法は「すり抜け」と「無効化」の2つ

https://xtech.nikkei.com/atcl/nxt/mag/nnw/18/041800012/011900312/?ST=nxt_thmit_security