Use-after-free vulnerability in the mozilla::TrackUnionStream::EndTrack implementation in Mozilla Firefox before 18.0, Firefox ESR 17.x before 17.0.1, Thunderbird before 17.0.2, Thunderbird ESR 17.x before 17.0.1, and SeaMonkey before 2.15 allows remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.
総合評価: CVE-2013-0761 は高リスク（71.4/100）。CVSS 深刻度は重大。悪用される可能性が高い（EPSS 4.40%、90 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。 直近 1 日で EPSS が +2.68% 上昇。悪用への関心が高まっている可能性があります。 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。
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 | 1.71% | 4.40% | +2.68% |
| 2 | 2025-07-17 | 1.23% | 1.71% | +0.48% |
| 3 | 2025-03-30 | — | 1.23% | — |
EPSS の全履歴 （全 9 件）
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 |
|---|---|---|---|---|---|---|
| 9.3 | 2.0 | HIGH |
|
8.6 | 10.0 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
high | CVE-2013-0761: 1 GLSA(s) (201309-23), 6 atom(s) (mail-client/thunderbird, mail-client/thunderbird-bin, www-client/firefox, www-client/firefox-bin, www-client/seamonkey, www-client/seamonkey-bin); latest impact high. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2013-0761 |
redhat
|
critical | — | https://access.redhat.com/security/cve/CVE-2013-0761 |
suse
|
medium | CVE-2013-0761 severity moderate: SUSE including 85 source package names (MozillaFirefox, MozillaFirefox-10.0.12-0.4.1, …), 165 product×package rows across 45 product lines (SUSE CaaS Platform 4.0, SUSE Enterprise Storage 6, … (45 product lines)): Fixed 134, Known Not Affected 31. | https://www.suse.com/security/cve/CVE-2013-0761/ |
ubuntu
|
medium | CVE-2013-0761 medium priority: Ubuntu including 3 source packages (firefox, seamonkey, thunderbird), 24 status rows across 8 suites (hardy, lucid, oneiric, precise, quantal, raring, saucy, upstream): released 15, ignored 5, DNE 4. | https://ubuntu.com/security/CVE-2013-0761 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| mozilla | firefox | < 18.0 | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
| mozilla | firefox | >= 10.0, < 10.0.12 | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
| mozilla | firefox | >= 17.0, < 17.0.2 | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
| mozilla | seamonkey | < 2.15 | cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* |
| mozilla | thunderbird | < 17.0.2 | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |
| mozilla | thunderbird_esr | >= 10.0, < 10.0.12 | cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:* |
| mozilla | thunderbird_esr | >= 17.0, < 17.0.2 | cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:* |
| opensuse | opensuse | 11.4 | cpe:2.3:o:opensuse:opensuse:11.4:*:*:*:*:*:*:* |
| opensuse | opensuse | 12.1 | cpe:2.3:o:opensuse:opensuse:12.1:*:*:*:*:*:*:* |
| opensuse | opensuse | 12.2 | cpe:2.3:o:opensuse:opensuse:12.2:*:*:*:*:*:*:* |
| suse | linux_enterprise_desktop | 10 | cpe:2.3:o:suse:linux_enterprise_desktop:10:sp4:*:*:*:*:*:* |
| suse | linux_enterprise_desktop | 11 | cpe:2.3:o:suse:linux_enterprise_desktop:11:sp2:*:*:*:*:*:* |
| suse | linux_enterprise_server | 10 | cpe:2.3:o:suse:linux_enterprise_server:10:sp4:*:*:*:*:*:* |
| suse | linux_enterprise_server | 11 | cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:-:*:* |
| suse | linux_enterprise_server | 11 | cpe:2.3:o:suse:linux_enterprise_server:11:sp2:*:*:*:vmware:*:* |
| suse | linux_enterprise_software_development_kit | 10 | cpe:2.3:o:suse:linux_enterprise_software_development_kit:10:sp4:*:*:*:*:*:* |
| suse | linux_enterprise_software_development_kit | 11 | cpe:2.3:o:suse:linux_enterprise_software_development_kit:11:sp2:*:*:*:*:*:* |
| canonical | ubuntu_linux | 10.04 | cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:* |
| canonical | ubuntu_linux | 11.10 | cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:* |
| canonical | ubuntu_linux | 12.04 | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:esm:*:*:* |
| canonical | ubuntu_linux | 12.10 | cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* |
| URL | タグ |
|---|---|
| http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00006.html | Mailing List Third Party Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00007.html | Mailing List Third Party Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00010.html | Mailing List Third Party Advisory |
| http://lists.opensuse.org/opensuse-security-announce/2013-01/msg00017.html | Mailing List Third Party Advisory |
| http://www.mozilla.org/security/announce/2013/mfsa2013-02.html | Vendor Advisory |
| http://www.ubuntu.com/usn/USN-1681-1 | Third Party Advisory |
| http://www.ubuntu.com/usn/USN-1681-2 | Third Party Advisory |
| http://www.ubuntu.com/usn/USN-1681-4 | Third Party Advisory |
| https://bugzilla.mozilla.org/show_bug.cgi?id=787831 | Issue Tracking Vendor Advisory |
| https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16832 | Third Party Advisory |