CVE-2025-55197 pypdf's Manipulated FlateDecode streams can exhaust RAM

pypdf is a free and open-source pure-python PDF library. Prior to version 6.0.0, an attacker can craft a PDF which leads to the RAM being exhausted. This requires just reading the file if a series of FlateDecode filters is used on a malicious cross-reference stream. Other content streams are...

CVE-2025-55197

pypdf is a free and open-source pure-python PDF library. Prior to version 6.0.0, an attacker can craft a PDF which leads to the RAM being exhausted. This requires just reading the file if a series of FlateDecode filters is used on a malicious cross-reference stream. Other content streams are...

GHSA-7HFW-26VP-JP8M PyPDF's Manipulated FlateDecode streams can exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires just reading the file if a series of FlateDecode filters is used on a malicious cross-reference stream. Other content streams are affected on explicit access. Patches This has been...

iiiflow (>=0.1.0, <=1.3.2), mayan-edms (>=4.5.0, <=4.5.8) potentially affected by CVE-2025-55197 via pypdf (3.14.0)

pypdf PYPI version 3.14.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - iiiflow =0.1.0, =4.5.0, =4.5.8 Source cves: CVE-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

krummstab (>=0.2.0, <=1.2.1) potentially affected by CVE-2025-55197 via pypdf (3.1.0)

pypdf PYPI version 3.1.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - krummstab =0.2.0, =1.2.1 Source cves: CVE-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

gai-common (>=0.1.2, <=0.86.0), gai-lib (0.120.0) +4 more potentially affected by CVE-2025-55197 via pypdf (4.3.0)

pypdf PYPI version 4.3.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - gai-common =0.1.2, =1.1.3, =0.3.1, =5.3.8, =0.6.6, =0.7.0 Source cves: CVE-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

cocpyth (>=0.1.1, <=0.1.2), pretix (>=4.19.0, <=4.20.4) potentially affected by CVE-2025-55197 via pypdf (3.8.1)

pypdf PYPI version 3.8.1 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - cocpyth =0.1.1, =4.19.0, =4.20.4 Source cves: CVE-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

chellow (>=1692799408.0.0, <=1698672999.0.0), pspdfutils (>=3.1.2, <=3.2.0) potentially affected by CVE-2025-55197 via pypdf (3.15.2)

pypdf PYPI version 3.15.2 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - chellow =1692799408.0.0, =3.1.2, =3.2.0 Source cves: CVE-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

ai-enterprise-agent (>=0.0.4, <=0.0.9), almax-common (>=1.0.5.dev20240601224039, <=1.0.7.dev20240801212517) +25 more potentially affected by CVE-2025-55197 via pypdf (4.2.0)

pypdf PYPI version 4.2.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - ai-enterprise-agent =0.0.4, =1.0.5.dev20240601224039, =2024.7.4, =0.6.22, =0.2.1, =0.2.0, =0.0.5, =0.2.1, =3.3.2, =0.1.0, =0.0.1, =4.7.1, =0.1.0, =0.1...

pymorant (>=1.0.145, <=1.0.156) potentially affected by CVE-2025-55197 via pypdf (3.16.1)

pypdf PYPI version 3.16.1 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - pymorant =1.0.145, =1.0.156 Source cves: CVE-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

chellow (>=1688456919.0.0, <=1692616986.0.0), cybrex (>=1.0.1, <=1.0.7) potentially affected by CVE-2025-55197 via pypdf (3.12.0)

pypdf PYPI version 3.12.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - chellow =1688456919.0.0, =1.0.1, =1.0.7 Source cves: CVE-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

bondai (>=0.1.0, <=0.3.0b2) potentially affected by CVE-2025-55197 via pypdf (3.15.1)

pypdf PYPI version 3.15.1 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - bondai =0.1.0, =0.3.0b2 Source cves: CVE-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

indico (>=3.2.6, <=3.2.9) potentially affected by CVE-2025-55197 via pypdf (3.12.1)

pypdf PYPI version 3.12.1 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - indico =3.2.6, =3.2.9 Source cves: CVE-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

pdfmerge (1.0.0), ribometric (>=0.1.4, <=0.1.12) potentially affected by CVE-2025-55197 via pypdf (3.9.0)

pypdf PYPI version 3.9.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - pdfmerge 1.0.0 - ribometric =0.1.4, =0.1.12 Source cves: CVE-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

calibreweb (0.6.21), sysnet-pdffiller (>=1.1.0, <=1.2.1) potentially affected by CVE-2025-55197 via pypdf (3.15.5)

pypdf PYPI version 3.15.5 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - calibreweb 0.6.21 - sysnet-pdffiller =1.1.0, =1.2.1 Source cves: CVE-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

criscostack (1.0.0), neumai (>=0.0.9, <=0.0.36) +2 more potentially affected by CVE-2025-55197 via pypdf (3.9.1)

pypdf PYPI version 3.9.1 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - criscostack 1.0.0 - neumai =0.0.9, =0.0.17, =2023.6.0, =2024.4.0 Source cves: CVE-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

smart-pdf (2023.9.11.1) potentially affected by CVE-2025-55197 via pypdf (3.16.0)

pypdf PYPI version 3.16.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - smart-pdf 2023.9.11.1 Source cves: CVE-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

gpt3discord (>=11.7.3, <=12.3.8) potentially affected by CVE-2025-55197 via pypdf (3.11.1)

pypdf PYPI version 3.11.1 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - gpt3discord =11.7.3, =12.3.8 Source cves: CVE-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

cewler (1.2.0.post1), python-xdoc (>=0.1.0, <=0.1.1) potentially affected by CVE-2025-55197 via pypdf (4.0.1)

pypdf PYPI version 4.0.1 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - cewler 1.2.0.post1 - python-xdoc =0.1.0, =0.1.1 Source cves: CVE-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

calibreweb (0.6.20) potentially affected by CVE-2025-55197 via pypdf (3.5.2)

pypdf PYPI version 3.5.2 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - calibreweb 0.6.20 Source cves: CVE-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...