A vulnerability classified as problematic was found in libtiff 4.6.0. This vulnerability affects the function PS_Lvl2page of the file tools/tiff2ps.c of the component tiff2ps. The manipulation leads to null pointer dereference. It is possible to launch the attack on the local host. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. The name of the patch is 6ba36f159fd396ad11bf6b7874554197736ecc8b. It is recommended to apply a patch to fix this issue. One of the maintainers explains, that "[t]his error only occurs if DEFER_STRILE_LOAD (defer-strile-load:BOOL=ON) or TIFFOpen( .. "rD") option is used."
総合評価: CVE-2025-8534 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 0.17%、7 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 | 0.13% | 0.17% | +0.04% |
| 2 | 2026-05-31 | 0.01% | 0.13% | +0.12% |
| 3 | 2025-08-05 | — | 0.01% | — |
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 |
|---|---|---|---|---|---|---|
| 1.1 | 4.0 | LOW |
|
— | — | [email protected] |
| 2.5 | 3.1 | LOW |
|
1.0 | 1.4 | [email protected] |
| 1.0 | 2.0 | LOW |
|
1.5 | 2.9 | [email protected] |
| vendor | priority | summary | link |
|---|---|---|---|
debian
|
unimportant | CVE-2025-8534 unimportant priority: Debian including 1 source packages (tiff), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): open 3, resolved 2. | https://security-tracker.debian.org/tracker/CVE-2025-8534 |
redhat
|
low | — | https://access.redhat.com/security/cve/CVE-2025-8534 |
suse
|
low | CVE-2025-8534 severity low: SUSE including 272 source package names (0.3.2-1.2:libtiff6-4.7.0-150600.3.18.1, 0.6.18-12.30:libtiff6-4.7.0-150600.3.18.1, …), 527 product×package rows across 196 product lines (Container containers/lmcache-vllm-openai, Container containers/open-webui, … (196 product lines)): Fixed 293, Known Affected 231, First Fixed 3. | https://www.suse.com/security/cve/CVE-2025-8534/ |
ubuntu
|
medium | CVE-2025-8534 medium priority: Ubuntu including 5 source packages (gdal, neuron, qtwebengine-opensource-src, texmaker, tiff), 40 status rows across 9 suites (bionic, focal, jammy, noble, plucky, questing, trusty, upstream, xenial): needs-triage 21, not-affected 9, released 8, ignored 2. | https://ubuntu.com/security/CVE-2025-8534 |
| URL | タグ |
|---|---|
| http://www.libtiff.org/ | Product |
| https://drive.google.com/file/d/15JPA3kLYiYD-nRNJ8y8HmnYjhv9NE7k6/view?usp=drive_link | Exploit |
| https://gitlab.com/libtiff/libtiff/-/commit/6ba36f159fd396ad11bf6b7874554197736ecc8b | Patch |
| https://gitlab.com/libtiff/libtiff/-/issues/718 | Exploit Issue Tracking Vendor Advisory |
| https://gitlab.com/libtiff/libtiff/-/merge_requests/746 | Product |
| https://vuldb.com/?ctiid.318664 | Permissions Required VDB Entry |
| https://vuldb.com/?id.318664 | Third Party Advisory VDB Entry |
| https://vuldb.com/?submit.617831 | Third Party Advisory VDB Entry |