Muhammara: NULL pointer dereference in LZWDecode filter when DecodeParms omits EarlyChange key
Historical advisory recorded 9 Nov 2026 23:02:12 UTC. Read the latest advisory.
cve-program · CVE-2026-125107
PublishedMuhammara is a node module with c/cpp bindings to modify PDF with JavaScript for node or electron. Prior to 6.0.5, Muhammara PDFParser::CreateFilterForStream() in src/deps/PDFWriter/PDFParser.cpp dereferences a null PDFInteger pointer when a PDF stream uses the LZWDecode filter with a DecodeParms dictionary that omits the EarlyChange key. An application that processes an untrusted PDF and reads the affected stream can crash, causing a denial of service. This issue is fixed in version 6.0.5.
Read the publisher's advisoryAffected versions, risk and source history
cve-program · CVE-2026-125107
PublishedMuhammara: NULL pointer dereference in LZWDecode filter when DecodeParms omits EarlyChange key
Muhammara is a node module with c/cpp bindings to modify PDF with JavaScript for node or electron. Prior to 6.0.5, Muhammara PDFParser::CreateFilterForStream() in src/deps/PDFWriter/PDFParser.cpp dereferences a null PDFInteger pointer when a PDF stream uses the LZWDecode filter with a DecodeParms dictionary that omits the EarlyChange key. An application that processes an untrusted PDF and reads the affected stream can crash, causing a denial of service. This issue is fixed in version 6.0.5.
- Source published
- 9 Nov 2026 21:29:35 UTC
- Source modified
- 9 Nov 2026 21:29:35 UTC
- Saved here
- 9 Nov 2026 23:02:12 UTC
- Source terms
- CVE Program Terms of Use
Original source record · Cite this exact observation · Complete original publisher JSON
Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.
CVSS 3.1 · 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H