A weakness has been identified in LibRaw up to 0.22.0. This impacts the function HuffTable::initval of the file src/decompressors/losslessjpeg.cpp of the component JPEG DHT Parser. This manipulation of the argument bits[] causes out-of-bounds write. It is possible to initiate the attack remotely. The exploit has been made available to the public and could be used for attacks. Upgrading to version 0.22.1 will fix this issue. Patch name: a6734e867b19d75367c05f872ac26322464e3995. It is advisable to upgrade the affected component.
総合評価: CVE-2026-5318 は公開エクスプロイトあり(50/100)。CVSS 深刻度は低。悪用される可能性が高い(EPSS 0.63%、45 パーセンタイル) 根拠: 公開エクスプロイトが 2 件参照されています(Exploit-DB)。 推奨対応: 公開エクスプロイトが確認されています。影響範囲の確認、緩和策の適用、パッチ適用を優先してください。
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。
| EDB-ID | ソース | 種別 | 公開 | リンク |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
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 | 0.06% | 0.63% | +0.57% |
| 2 | 2026-05-14 | 0.02% | 0.06% | +0.04% |
| 3 | 2026-04-02 | — | 0.02% | — |
EPSS の全履歴 (全 3 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 |
|---|---|---|---|---|---|---|
| 2.1 | 4.0 | LOW |
|
— | — | [email protected] |
| 4.3 | 3.1 | MEDIUM |
|
2.8 | 1.4 | [email protected] |
| 4.3 | 3.1 | MEDIUM |
|
2.8 | 1.4 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2026-5318 unimportant priority: Debian including 1 source packages (libraw), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. | https://security-tracker.debian.org/tracker/CVE-2026-5318 |
redhat
|
medium | — | https://access.redhat.com/security/cve/CVE-2026-5318 |
suse
|
low | CVE-2026-5318 severity low: SUSE including 8 source package names (libraw, libraw-devel, …), 36 product×package rows across 15 product lines (SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS, SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS, … (15 product lines)): Known Not Affected 36. | https://www.suse.com/security/cve/CVE-2026-5318/ |
ubuntu
|
medium | CVE-2026-5318 medium priority: Ubuntu including 8 source packages (darktable, dcraw, …), 63 status rows across 8 suites (bionic, focal, jammy, noble, questing, resolute, upstream, xenial): needs-triage 51, not-affected 7, DNE 4, released 1. | https://ubuntu.com/security/CVE-2026-5318 |
| URL | タグ |
|---|---|
| https://github.com/LibRaw/LibRaw/ | Product |
| https://github.com/LibRaw/LibRaw/commit/a6734e867b19d75367c05f872ac26322464e3995 | Patch |
| https://github.com/LibRaw/LibRaw/issues/794 | Issue Tracking |
| https://github.com/LibRaw/LibRaw/issues/794#issuecomment-4065342499 | Issue Tracking |
| https://github.com/LibRaw/LibRaw/releases/tag/0.22.1 | Product Release Notes |
| https://github.com/biniamf/pocs/tree/main/libraw_lljpeg | Exploit Third Party Advisory |
| https://vuldb.com/submit/780538 | Exploit Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/354650 | Third Party Advisory VDB Entry |
| https://vuldb.com/vuln/354650/cti | Permissions Required VDB Entry |