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'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...

CVE-2025-55197

The CVE-2025-55197 issue affects pypdf prior to version 6.0.0, where a crafted PDF using a sequence of FlateDecode filters in a malicious cross-reference stream can exhaust RAM (DoS). Other content streams may be affected on explicit access. The vulnerability has been fixed in 6.0.0. A workaround...

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...

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...

pretix (>=4.17.0, <=4.17.1), providentia (2.4.0) potentially affected by CVE-2025-55197 via pypdf (3.4.1)

pypdf PYPI version 3.4.1 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - pretix =4.17.0, =4.17.1 - providentia 2.4.0 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...

chellow (>=1679494175.0.0, <=1688376223.0.0), pretix (>=4.18.0, <=4.18.2.post1) potentially affected by CVE-2025-55197 via pypdf (3.6.0)

pypdf PYPI version 3.6.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - chellow =1679494175.0.0, =4.18.0, =4.18.2.post1 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...

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...

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...

pspdfutils (>=3.0.5, <=3.0.7) potentially affected by CVE-2025-55197 via pypdf (3.10.0)

pypdf PYPI version 3.10.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - pspdfutils =3.0.5, =3.0.7 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...

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...

py40kie (>=0.1.0, <=0.2.2) potentially affected by CVE-2025-55197 via pypdf (3.12.2)

pypdf PYPI version 3.12.2 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - py40kie =0.1.0, =0.2.2 Source cves: CVE-2025-55197 Source advisory: OSV:GHSA-7HFW-26VP-JP8M...

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...

docrx (>=0.0.1, <=0.0.10), paperreview (0.1.0) +1 more potentially affected by CVE-2025-55197 via pypdf (3.15.0)

pypdf PYPI version 3.15.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - docrx =0.0.1, =1.1.11, =1.1.13 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...

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...