GHSA-7GW9-CF7V-778F pypdf: Manipulated FlateDecode predictor parameters can exhaust RAM

Impact An attacker who uses this vulnerability can craft a PDF which leads to the RAM being exhausted. This requires accessing a stream compressed using /FlateDecode with a /Predictor unequal 1 and large predictor parameters. Patches This has been fixed in pypdf==6.10.2. Workarounds If you cannot...

chellow (>=1679494175.0.0, <=1688376223.0.0), pretix (>=4.18.0, <=4.18.2.post1) potentially affected by CVE-2026-41312 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-2026-41312 Source advisory: OSV:GHSA-7GW9-CF7V-778F...

pretix (>=4.17.0, <=4.17.1), providentia (2.4.0) potentially affected by CVE-2026-41312 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-2026-41312 Source advisory: OSV:GHSA-7GW9-CF7V-778F...

calibreweb (0.6.20) potentially affected by CVE-2026-41312 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-2026-41312 Source advisory: OSV:GHSA-7GW9-CF7V-778F...

krummstab (>=0.2.0, <=1.2.1) potentially affected by CVE-2026-41312 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-2026-41312 Source advisory: OSV:GHSA-7GW9-CF7V-778F...

cocpyth (>=0.1.1, <=0.1.2), pretix (>=4.19.0, <=4.20.4) potentially affected by CVE-2026-41312 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-2026-41312 Source advisory: OSV:GHSA-7GW9-CF7V-778F...

smart-pdf (2023.9.11.1) potentially affected by CVE-2026-41312 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-2026-41312 Source advisory: OSV:GHSA-7GW9-CF7V-778F...

agatta (>=0.9.1, <=0.9.4), automate3 (2023.11.7) +5 more potentially affected by CVE-2026-41312 via pypdf (3.17.0)

pypdf PYPI version 3.17.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - agatta =0.9.1, =1698926697.0.0, =9.2.3, =9.2.6 - uniflow 0.0.7 Source cves: CVE-2026-41312 Source advisory: OSV:GHSA-7GW9-CF7V-778F...

a-data-processing (0.0.1), ab-data-processing (0.0.1) +9 more potentially affected by CVE-2026-41312 via pypdf (3.17.1)

pypdf PYPI version 3.17.1 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - a-data-processing 0.0.1 - ab-data-processing 0.0.1 - arac 0.0.1 - crate-anon 0.20.7 - generalagent =0.0.6, =0.0.1, =0.1.0, =0.0.1, =0.0.14 - pyxreade...

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-2026-41312 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...

agatta (>=1.0.0, <=1.0.2), agentbuddy (0.1.1.dev33) +102 more potentially affected by CVE-2026-41312 via pypdf (3.17.4)

pypdf PYPI version 3.17.4 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - agatta =1.0.0, =0.0.3, =0.0.1, =1.1.0, =0.0.2, =1.2.0, =0.6.7, =1.2.1, =0.1.3, =0.0.1, =0.8.2 - cadenai 0.1.0 and more Source cves: CVE-2026-41312...

chat-with-mlx (>=0.1.0, <=0.1.11), crewai-files (>=1.9.0, <=1.10.1a1) +9 more potentially affected by CVE-2026-41312 via pypdf (4.0.2)

pypdf PYPI version 4.0.2 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - chat-with-mlx =0.1.0, =1.9.0, =3.2.0, =1.2.1, =1.0.9, =0.0.0, =0.1.2, =0.73.0, =0.94.0 Source cves: CVE-2026-41312 Source advisory:...

athena-starship (>=0.0.3, <=0.0.6), conflare (>=0.1.2, <=0.1.3) +11 more potentially affected by CVE-2026-41312 via pypdf (4.1.0)

pypdf PYPI version 4.1.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - athena-starship =0.0.3, =0.1.2, =2.2.0, =0.0.1, =3.3.0, =1.14.0, =0.1.4, =4.6.2, =0.1.0, =0.1.58 Source cves: CVE-2026-41312 Source advisory:...

mimir-ai (0.0.3), rara-digitizer (>=1.0.0, <=1.5.8) potentially affected by CVE-2026-41312 via pypdf (5.0.0)

pypdf PYPI version 5.0.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - mimir-ai 0.0.3 - rara-digitizer =1.0.0, =1.5.8 Source cves: CVE-2026-41312 Source advisory: OSV:GHSA-7GW9-CF7V-778F...

gai-common (>=0.1.2, <=0.86.0), gai-lib (0.120.0) +4 more potentially affected by CVE-2026-41312 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-2026-41312 Source advisory: OSV:GHSA-7GW9-CF7V-778F...

aiagents4pharma (>=1.15.0, <=1.44.0), pypdftotext (>=0.0.6, <=0.0.9) +3 more potentially affected by CVE-2026-41312 via pypdf (5.2.0)

pypdf PYPI version 5.2.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - aiagents4pharma =1.15.0, =0.0.6, =1.0.1, =1.0.1, =1.0.5 Source cves: CVE-2026-41312 Source advisory: OSV:GHSA-7GW9-CF7V-778F...

assert-files (>=0.1.0, <=0.1.3), vpplib (0.0.4) +1 more potentially affected by CVE-2026-41312 via pypdf (3.16.4)

pypdf PYPI version 3.16.4 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - assert-files =0.1.0, =0.61.0, =0.65.0 Source cves: CVE-2026-41312 Source advisory: OSV:GHSA-7GW9-CF7V-778F...

aiexec-base (0.6.4), ano-code (>=0.1.6, <=0.1.11) +38 more potentially affected by CVE-2026-41312 via pypdf (5.1.0)

pypdf PYPI version 5.1.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - aiexec-base 0.6.4 - ano-code =0.1.6, =0.0.1, =1.0.0, =0.6.0, =0.0.3, =0.1.0, =0.3.1, =3.3.6, =1.0.16, =0.2.37, =1.0.0, =0.1.11, =0.1.24 and more Sourc...

genai-4-dps-helper (0.2.31), news-scraper-pdf (1.1.6) +6 more potentially affected by CVE-2026-41312 via pypdf (5.3.0)

pypdf PYPI version 5.3.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - genai-4-dps-helper 0.2.31 - news-scraper-pdf 1.1.6 - polytext =0.1.0, =0.1.0, =0.1.10 - python-pdf-toolkit 0.1.1 - synforge 0.1.0 - ta-using-llms 0.0....

calibreweb (0.6.25), cewler (>=1.3.0, <=1.3.1) +8 more potentially affected by CVE-2026-41312 via pypdf (5.4.0)

pypdf PYPI version 5.4.0 is affected by a known vulnerability. The following packages have a transitive dependency on pypdf and may be impacted: - calibreweb 0.6.25 - cewler =1.3.0, =1.1.2, =1.1.0, =1.2.0, =2025.3.0, =0.2.2, =28.3.2, =29.1.2 - ten8t 0.0.22 Source cves: CVE-2026-41312 Source...