CVE-2005-2096

zlib 1.2 and later versions allows remote attackers to cause a denial of service (crash) via a crafted compressed stream with an incomplete code description of a length greater than 1, which leads to a buffer overflow, as demonstrated using a crafted PNG file.

公開: 2005-07-06 最終更新: 2026-04-16 Assigner: [email protected] ソース: [email protected]

総合評価: CVE-2005-2096 は中リスク(57.1/100)。CVSS 深刻度は高。悪用される可能性が高い(EPSS 5.48%、92 パーセンタイル) 根拠: EPSS 上、短期間での悪用可能性は高い水準です。 推奨対応: 悪用可能性が高いため、影響範囲の確認と修補の優先付けを推奨します。

リスクは変動します。再評価に基づき、本ページの表示内容を更新しています。

CVE-2005-2096 の EPSS(Exploit Prediction Scoring System)スコア

EPSS は日次で悪用されやすさの相対度合いを推定します。パーセンタイルは採点済み CVE の中での相対位置(高いほど相対的に深刻)を示します。

# 日付 旧 EPSS スコア 新 EPSS スコア Δ(新 − 旧)
1 2026-06-15 43.03% 5.48% -37.56%
2 2025-12-18 46.48% 43.03% -3.45%
3 2025-06-23 46.48%

EPSS の全履歴 (全 13 件)

CVE-2005-2096 の CVSS(Common Vulnerability Scoring System)指標

この CVE の CVSS 指標。

ベーススコア バージョン 深刻度 ベクトル 悪用しやすさ 影響 スコアの出典
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P クリックして展開
アクセス経路 (AV:N)
ルーティング可能なネットワーク越しに、遠隔から到達・悪用しうる。
アクセスの複雑さ (AC:L)
手順が短く、再現性が高い。
認証 (AU:N)
認証を経ずに攻撃を完結できる。
機密性への影響 (C:P)
機密性は部分的に損なわれる。
完全性への影響 (I:P)
完全性は部分的に損なわれる。
可用性への影響 (A:P)
可用性は部分的に損なわれる。
10.0 6.4 [email protected]

CVE-2005-2096 の弱点分類(列挙)

CVE-2005-2096 の OS トラッカー

vendor priority summary link
debian medium CVE-2005-2096 medium priority: Debian including 14 source packages (aide, bacula, …), 68 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 68. https://security-tracker.debian.org/tracker/CVE-2005-2096
redhat high https://access.redhat.com/security/cve/CVE-2005-2096
ubuntu medium CVE-2005-2096 medium priority: Ubuntu including 9 source packages (aide, bacula, …), 36 status rows across 4 suites (dapper, edgy, feisty, upstream): released 19, needs-triage 9, not-affected 6, ignored 2. https://ubuntu.com/security/CVE-2005-2096

CVE-2005-2096 のベンダーコメント(NVD)

  • Red Hat (2007-03-14T00:00:00)

    Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.

CVE-2005-2096 の影響を受けるソフトウェア/構成

ベンダー 製品 バージョン 生の CPE
zlib zlib 1.2.0 cpe:2.3:a:zlib:zlib:1.2.0:*:*:*:*:*:*:*
zlib zlib 1.2.1 cpe:2.3:a:zlib:zlib:1.2.1:*:*:*:*:*:*:*
zlib zlib 1.2.2 cpe:2.3:a:zlib:zlib:1.2.2:*:*:*:*:*:*:*

CVE-2005-2096 の参考情報

URL タグ
ftp://ftp.freebsd.org/pub/FreeBSD/CERT/advisories/FreeBSD-SA-05:16.zlib.asc
ftp://ftp.sco.com/pub/updates/OpenServer/SCOSA-2006.6/SCOSA-2006.6.txt
http://lists.apple.com/archives/security-announce//2008/Nov/msg00001.html
http://lists.apple.com/archives/security-announce/2005//Aug/msg00001.html Vendor Advisory
http://lists.apple.com/archives/security-announce/2005/Aug/msg00000.html
http://secunia.com/advisories/15949 Patch Vendor Advisory
http://secunia.com/advisories/17054
http://secunia.com/advisories/17225
http://secunia.com/advisories/17236
http://secunia.com/advisories/17326
http://secunia.com/advisories/17516
http://secunia.com/advisories/18377
http://secunia.com/advisories/18406
http://secunia.com/advisories/18507
http://secunia.com/advisories/19550
http://secunia.com/advisories/19597
http://secunia.com/advisories/24788
http://secunia.com/advisories/31492
http://secunia.com/advisories/32706
http://security.gentoo.org/glsa/glsa-200507-05.xml Patch Vendor Advisory
http://securitytracker.com/id?1014398 Vendor Advisory
http://sunsolve.sun.com/search/document.do?assetkey=1-26-101989-1 Patch Vendor Advisory
http://support.apple.com/kb/HT3298
http://support.avaya.com/elmodocs2/security/ASA-2006-016.htm
http://www.debian.org/security/2005/dsa-740 Patch Vendor Advisory
http://www.debian.org/security/2005/dsa-797 Patch Vendor Advisory
http://www.debian.org/security/2006/dsa-1026
http://www.gentoo.org/security/en/glsa/glsa-200509-18.xml Patch Vendor Advisory
http://www.kb.cert.org/vuls/id/680620 Third Party Advisory US Government Resource
http://www.mandriva.com/security/advisories?name=MDKSA-2005:112
http://www.mandriva.com/security/advisories?name=MDKSA-2005:196
http://www.mandriva.com/security/advisories?name=MDKSA-2006:070
http://www.redhat.com/support/errata/RHSA-2005-569.html Patch Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2008-0629.html
http://www.securityfocus.com/archive/1/421411/100/0/threaded
http://www.securityfocus.com/archive/1/464745/100/0/threaded
http://www.securityfocus.com/archive/1/482503/100/0/threaded
http://www.securityfocus.com/archive/1/482505/100/0/threaded
http://www.securityfocus.com/archive/1/482571/100/0/threaded
http://www.securityfocus.com/archive/1/482601/100/0/threaded
http://www.securityfocus.com/archive/1/482949/100/0/threaded
http://www.securityfocus.com/archive/1/482950/100/0/threaded
http://www.securityfocus.com/bid/14162 Patch
http://www.ubuntulinux.org/usn/usn-151-3
http://www.vmware.com/support/vi3/doc/esx-3616065-patch.html
http://www.vmware.com/support/vi3/doc/esx-9916286-patch.html
http://www.vupen.com/english/advisories/2005/0978
http://www.vupen.com/english/advisories/2006/0144
http://www.vupen.com/english/advisories/2007/1267
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=162391 Vendor Advisory
https://bugzilla.redhat.com/bugzilla/show_bug.cgi?id=162680 Vendor Advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/24064
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11500
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1262
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1542
https://usn.ubuntu.com/148-1/
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