CVE-2025-8534 (GCVE-0-2025-8534)

Vulnerability from cvelistv5 – Published: 2025-08-04 23:32 – Updated: 2025-08-05 15:26
VLAI
Title
libtiff tiff2ps tiff2ps.c PS_Lvl2page null pointer dereference
Summary
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."
Severity
2 (Low)
CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
2.5 (Low)
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
2.5 (Low)
CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a libtiff Affected: 4.6.0
Credits
rootsec (VulDB User)
Show details on NVD website
To clipboard 

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    },
    "vulnrichment": {
      "containers": "{\"cna\": {\"title\": \"libtiff tiff2ps tiff2ps.c PS_Lvl2page null pointer dereference\", \"credits\": [{\"lang\": \"en\", \"type\": \"reporter\", \"value\": \"rootsec (VulDB User)\"}], \"metrics\": [{\"cvssV4_0\": {\"version\": \"4.0\", \"baseScore\": 2, \"baseSeverity\": \"LOW\", \"vectorString\": \"CVSS:4.0/AV:L/AC:H/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P\"}}, {\"cvssV3_1\": {\"version\": \"3.1\", \"baseScore\": 2.5, \"baseSeverity\": \"LOW\", \"vectorString\": \"CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C\"}}, {\"cvssV3_0\": {\"version\": \"3.0\", \"baseScore\": 2.5, \"baseSeverity\": \"LOW\", \"vectorString\": \"CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C\"}}, {\"cvssV2_0\": {\"version\": \"2.0\", \"baseScore\": 1, \"vectorString\": \"AV:L/AC:H/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C\"}}], \"affected\": [{\"vendor\": \"n/a\", \"modules\": [\"tiff2ps\"], \"product\": \"libtiff\", \"versions\": [{\"status\": \"affected\", \"version\": \"4.6.0\"}]}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2025-08-04T00:00:00.000Z\", \"value\": \"Advisory disclosed\"}, {\"lang\": \"en\", \"time\": \"2025-08-04T02:00:00.000Z\", \"value\": \"VulDB entry created\"}, {\"lang\": \"en\", \"time\": \"2025-08-04T14:00:29.000Z\", \"value\": \"VulDB entry last update\"}], \"references\": [{\"url\": \"https://vuldb.com/?id.318664\", \"name\": \"VDB-318664 | libtiff tiff2ps tiff2ps.c PS_Lvl2page null pointer dereference\", \"tags\": [\"vdb-entry\", \"technical-description\"]}, {\"url\": \"https://vuldb.com/?ctiid.318664\", \"name\": \"VDB-318664 | CTI Indicators (IOB, IOC, IOA)\", \"tags\": [\"signature\", \"permissions-required\"]}, {\"url\": \"https://vuldb.com/?submit.617831\", \"name\": \"Submit #617831 | libtiff tiff2ps  4.6.0 \u0026\u0026 the newest master SEGV\", \"tags\": [\"third-party-advisory\"]}, {\"url\": \"https://gitlab.com/libtiff/libtiff/-/issues/718\", \"tags\": [\"issue-tracking\"]}, {\"url\": \"https://gitlab.com/libtiff/libtiff/-/merge_requests/746\", \"tags\": [\"patch\"]}, {\"url\": \"https://drive.google.com/file/d/15JPA3kLYiYD-nRNJ8y8HmnYjhv9NE7k6/view?usp=drive_link\", \"tags\": [\"exploit\"]}, {\"url\": \"https://gitlab.com/libtiff/libtiff/-/commit/6ba36f159fd396ad11bf6b7874554197736ecc8b\", \"tags\": [\"patch\"]}, {\"url\": \"http://www.libtiff.org/\", \"tags\": [\"product\"]}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\\\"\"}, {\"lang\": \"de\", \"value\": \"In libtiff 4.6.0 wurde eine Schwachstelle entdeckt. Sie wurde als problematisch eingestuft. Hierbei betrifft es die Funktion PS_Lvl2page der Datei tools/tiff2ps.c der Komponente tiff2ps. Mittels dem Manipulieren mit unbekannten Daten kann eine null pointer dereference-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs hat dabei lokal zu erfolgen. Die Komplexit\\u00e4t eines Angriffs ist eher hoch. Das Ausnutzen gilt als schwierig. Der Exploit steht zur \\u00f6ffentlichen Verf\\u00fcgung. Der Patch wird als 6ba36f159fd396ad11bf6b7874554197736ecc8b bezeichnet. Als bestm\\u00f6gliche Massnahme wird Patching empfohlen.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-476\", \"description\": \"NULL Pointer Dereference\"}]}, {\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-404\", \"description\": \"Denial of Service\"}]}], \"providerMetadata\": {\"orgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"shortName\": \"VulDB\", \"dateUpdated\": \"2025-08-04T23:32:08.491Z\"}}, \"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-8534\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"poc\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-08-05T15:26:00.191345Z\"}}}], \"references\": [{\"url\": \"https://vuldb.com/?submit.617831\", \"tags\": [\"exploit\"]}, {\"url\": \"https://gitlab.com/libtiff/libtiff/-/issues/718\", \"tags\": [\"exploit\"]}], \"providerMetadata\": {\"shortName\": \"CISA-ADP\", \"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"dateUpdated\": \"2025-08-05T15:25:53.057Z\"}}]}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-8534\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-08-04T23:32:08.491Z\", \"dateReserved\": \"2025-08-04T11:55:24.506Z\", \"assignerOrgId\": \"1af790b2-7ee1-4545-860a-a788eba489b5\", \"datePublished\": \"2025-08-04T23:32:08.491Z\", \"assignerShortName\": \"VulDB\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.