The sPLT chunk handling code (png_set_sPLT function in pngset.c) in libpng 1.0.6 through 1.2.12 uses a sizeof operator on the wrong data type, which allows context-dependent attackers to cause a denial of service (crash) via malformed sPLT chunks that trigger an out-of-bounds read.
総合評価: CVE-2006-5793 は低リスク（38.7/100）。CVSS 深刻度は低。悪用される可能性が高い（EPSS 1.69%、83 パーセンタイル） 推奨対応: 悪用情報と EPSS の推移を監視し、必要に応じて優先度を見直してください。
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 | 2026-06-08 | 2.33% | 1.69% | -0.64% |
| 2 | 2025-07-06 | 2.24% | 2.33% | +0.09% |
| 3 | 2025-03-30 | — | 2.24% | — |
EPSS の全履歴 （全 15 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 |
|---|---|---|---|---|---|---|
| 2.6 | 2.0 | LOW |
|
4.9 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
alpine
|
— | CVE-2006-5793: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. | https://security.alpinelinux.org/vuln/CVE-2006-5793 |
gentoo
|
normal | CVE-2006-5793: 1 GLSA(s) (200611-09), 1 atom(s) (media-libs/libpng); latest impact normal. | https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2006-5793 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2006-5793 |
suse
|
low | CVE-2006-5793 severity low: SUSE including 38 source package names (libpng-devel-1.2.31-5.33.1, libpng-devel-32bit-1.2.31-5.33.1, …), 67 product×package rows across 26 product lines (HPE Helion OpenStack 8, SUSE Linux Enterprise High Performance Computing 12 SP5, … (26 product lines)): Fixed 36, Known Not Affected 31. | https://www.suse.com/security/cve/CVE-2006-5793/ |
ubuntu
|
medium | CVE-2006-5793 medium priority: Ubuntu including 1 source packages (libpng), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. | https://ubuntu.com/security/CVE-2006-5793 |
| ベンダー | 製品 | バージョン | 生の CPE |
|---|---|---|---|
| greg_roelofs | libpng | 1.0.6 | cpe:2.3:a:greg_roelofs:libpng:1.0.6:*:*:*:*:*:*:* |
| greg_roelofs | libpng | 1.0.7 | cpe:2.3:a:greg_roelofs:libpng:1.0.7:*:*:*:*:*:*:* |
| greg_roelofs | libpng | 1.0.8 | cpe:2.3:a:greg_roelofs:libpng:1.0.8:*:*:*:*:*:*:* |
| greg_roelofs | libpng | 1.0.9 | cpe:2.3:a:greg_roelofs:libpng:1.0.9:*:*:*:*:*:*:* |
| greg_roelofs | libpng | 1.2.0 | cpe:2.3:a:greg_roelofs:libpng:1.2.0:*:*:*:*:*:*:* |
| greg_roelofs | libpng | 1.2.1 | cpe:2.3:a:greg_roelofs:libpng:1.2.1:*:*:*:*:*:*:* |
| greg_roelofs | libpng | 1.2.2 | cpe:2.3:a:greg_roelofs:libpng:1.2.2:*:*:*:*:*:*:* |
| greg_roelofs | libpng | 1.2.3 | cpe:2.3:a:greg_roelofs:libpng:1.2.3:*:*:*:*:*:*:* |
| greg_roelofs | libpng | 1.2.4 | cpe:2.3:a:greg_roelofs:libpng:1.2.4:*:*:*:*:*:*:* |
| greg_roelofs | libpng | 1.2.5 | cpe:2.3:a:greg_roelofs:libpng:1.2.5:*:*:*:*:*:*:* |
| greg_roelofs | libpng | 1.2.6 | cpe:2.3:a:greg_roelofs:libpng:1.2.6:*:*:*:*:*:*:* |
| greg_roelofs | libpng | 1.2.7 | cpe:2.3:a:greg_roelofs:libpng:1.2.7:*:*:*:*:*:*:* |
| greg_roelofs | libpng | 1.2.7rc1 | cpe:2.3:a:greg_roelofs:libpng:1.2.7rc1:*:*:*:*:*:*:* |
| greg_roelofs | libpng | 1.2.8 | cpe:2.3:a:greg_roelofs:libpng:1.2.8:*:*:*:*:*:*:* |
| greg_roelofs | libpng | 1.2.9 | cpe:2.3:a:greg_roelofs:libpng:1.2.9:*:*:*:*:*:*:* |
| greg_roelofs | libpng | 1.2.10 | cpe:2.3:a:greg_roelofs:libpng:1.2.10:*:*:*:*:*:*:* |
| greg_roelofs | libpng | 1.2.11 | cpe:2.3:a:greg_roelofs:libpng:1.2.11:*:*:*:*:*:*:* |
| greg_roelofs | libpng | 1.2.12 | cpe:2.3:a:greg_roelofs:libpng:1.2.12:*:*:*:*:*:*:* |