Integer signedness error in the pixman_fill_sse2 function in pixman-sse2.c in Pixman, as distributed with Cairo and used in Mozilla Firefox before 20.0, Firefox ESR 17.x before 17.0.5, Thunderbird before 17.0.5, Thunderbird ESR 17.x before 17.0.5, SeaMonkey before 2.17, and other products, allows remote attackers to execute arbitrary code via crafted values that trigger attempted use of a (1) negative box boundary or (2) negative box size, leading to an out-of-bounds write operation.
総合評価: CVE-2013-0800 は中リスク（59.5/100）。CVSS 深刻度は中。悪用される可能性が高い（EPSS 3.94%、89 パーセンタイル） 根拠: 直近 1 日で EPSS が +1.14% 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: 影響資産を整理し、修補計画に組み込んでください。
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 | 2.80% | 3.94% | +1.14% |
| 2 | 2025-10-05 | 1.50% | 2.80% | +1.30% |
| 3 | 2025-07-09 | — | 1.50% | — |
EPSS の全履歴 （全 8 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 |
|---|---|---|---|---|---|---|
| 6.8 | 2.0 | MEDIUM |
|
8.6 | 6.4 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
gentoo
|
high | CVE-2013-0800: 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-2013-0800 |
redhat
|
high | — | https://access.redhat.com/security/cve/CVE-2013-0800 |
suse
|
medium | CVE-2013-0800 severity moderate: SUSE including 78 source package names (MozillaFirefox-140.2.0-160000.1.2, MozillaFirefox-17.0.6esr-0.4.1, …), 136 product×package rows across 34 product lines (SUSE Linux Enterprise Desktop 11 SP2, SUSE Linux Enterprise Desktop 12, … (34 product lines)): Fixed 136. | https://www.suse.com/security/cve/CVE-2013-0800/ |
ubuntu
|
medium | CVE-2013-0800 medium priority: Ubuntu including 5 source packages (firefox, seamonkey, thunderbird, xulrunner-1.9.2, xulrunner-2.0), 40 status rows across 8 suites (hardy, lucid, oneiric, precise, quantal, raring, saucy, upstream): DNE 16, released 14, ignored 7, needs-triage 2, pending 1. | https://ubuntu.com/security/CVE-2013-0800 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| mozilla | firefox | < 20.0 | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
| mozilla | firefox | >= 17.0, < 17.0.5 | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* |
| mozilla | seamonkey | < 2.17 | cpe:2.3:a:mozilla:seamonkey:*:*:*:*:*:*:*:* |
| mozilla | thunderbird | < 17.0.5 | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |
| mozilla | thunderbird_esr | >= 17.0, < 17.0.5 | cpe:2.3:a:mozilla:thunderbird_esr:*:*:*:*:*:*:*:* |
| debian | debian_linux | 7.0 | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* |
| 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:*:*:*:-:*:*:* |
| canonical | ubuntu_linux | 12.10 | cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:* |
| 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:*:*:*:*:*:*:* |
| opensuse | opensuse | 12.3 | cpe:2.3:o:opensuse:opensuse:12.3:*:*:*:*:*:*:* |
| 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:sp1:*:*:ltss:-:*:* |
| suse | linux_enterprise_server | 11 | cpe:2.3:o:suse:linux_enterprise_server:11:sp1:*:*:ltss:vmware:*:* |
| 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:*:*:*:*:*:* |