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GitHub Advisory Database

Security vulnerability database inclusive of CVEs and GitHub originated security advisories from the world of open source software.

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30 advisories

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pypdf: Possible infinite loop when processing threads/articles in writer Moderate
CVE-2026-54651 was published for pypdf (pip) Jul 9, 2026
k0w4lzk1 Credited to k0w4lzk1 and stefan6419846 stefan6419846 stefan6419846
pypdf: Missing stream length values ignore defined limits Moderate
GHSA-jm82-fx9c-mx94 was published for pypdf (pip) Jun 18, 2026
sondt99 Credited to sondt99 and stefan6419846 stefan6419846 stefan6419846
pypdf: Possible infinite loop when processing outlines/bookmarks in writer Moderate
CVE-2026-54531 was published for pypdf (pip) Jun 16, 2026
SagDeap Credited to SagDeap and stefan6419846 stefan6419846 stefan6419846
pypdf: Possible infinite loop when retrieving fonts for layout-mode text extraction Moderate
CVE-2026-54530 was published for pypdf (pip) Jun 16, 2026
SagDeap Credited to SagDeap and stefan6419846 stefan6419846 stefan6419846
pypdf: Possible large memory usage for form XObjects during text extraction Moderate
CVE-2026-49461 was published for pypdf (pip) Jun 16, 2026
manop55555 Credited to manop55555 and stefan6419846 stefan6419846 stefan6419846
pypdf: Inefficient decoding of FlateDecode PNG predictor streams Moderate
CVE-2026-49460 was published for pypdf (pip) Jun 16, 2026
manop55555 Credited to manop55555 and stefan6419846 stefan6419846 stefan6419846
pypdf: Manipulated XMP metadata streams can exhaust RAM Moderate
CVE-2026-48735 was published for pypdf (pip) Jun 16, 2026
manop55555 Credited to manop55555 and stefan6419846 stefan6419846 stefan6419846
pypdf: Possible long runtimes for zero-only width values in cross-reference streamsuntimes for zero-only width values in cross-reference streams Moderate
CVE-2026-48156 was published for pypdf (pip) Jun 12, 2026
sondt99 Credited to sondt99 and stefan6419846 stefan6419846 stefan6419846
pypdf: Possible large memory usage for large offsets for layout mode text Moderate
CVE-2026-48155 was published for pypdf (pip) Jun 12, 2026
sondt99 Credited to sondt99 and stefan6419846 stefan6419846 stefan6419846
pypdf: Manipulated FlateDecode image dimensions can exhaust RAM Moderate
CVE-2026-41314 was published for pypdf (pip) Apr 16, 2026
l3b4nk4 Credited to l3b4nk4 and stefan6419846 stefan6419846 stefan6419846
pypdf: Possible long runtimes for wrong size values in incremental mode Moderate
CVE-2026-41313 was published for pypdf (pip) Apr 16, 2026
l3b4nk4 Credited to l3b4nk4 and stefan6419846 stefan6419846 stefan6419846
pypdf: Manipulated FlateDecode predictor parameters can exhaust RAM Moderate
CVE-2026-41312 was published for pypdf (pip) Apr 16, 2026
l3b4nk4 Credited to l3b4nk4 and stefan6419846 stefan6419846 stefan6419846
pypdf has long runtimes for wrong size values in cross-reference and object streams Moderate
CVE-2026-41168 was published for pypdf (pip) Apr 15, 2026
alpakalee Credited to alpakalee and stefan6419846 stefan6419846 stefan6419846
pypdf: Manipulated XMP metadata entity declarations can exhaust RAM Moderate
CVE-2026-40260 was published for pypdf (pip) Apr 10, 2026
kodareef5 Credited to kodareef5 and stefan6419846 stefan6419846 stefan6419846
pypdf: Possible infinite loop during recovery attempts in DictionaryObject.read_from_stream Moderate
CVE-2026-33699 was published for pypdf (pip) Mar 25, 2026
kejcao Credited to kejcao and stefan6419846 stefan6419846 stefan6419846
pypdf has inefficient decoding of array-based streams Moderate
CVE-2026-33123 was published for pypdf (pip) Mar 18, 2026
kule500 Credited to kule500 and stefan6419846 stefan6419846 stefan6419846
pypdf: manipulated stream length values can exhaust RAM Moderate
CVE-2026-31826 was published for pypdf (pip) Mar 11, 2026
iconnnjka Credited to iconnnjka and stefan6419846 stefan6419846 stefan6419846
pypdf vulnerable to inefficient decoding of ASCIIHexDecode streams Moderate
CVE-2026-28804 was published for pypdf (pip) Mar 2, 2026
kule500 Credited to kule500 and stefan6419846 stefan6419846 stefan6419846
pypdf: Manipulated RunLengthDecode streams can exhaust RAM Moderate
CVE-2026-28351 was published for pypdf (pip) Feb 28, 2026
bugbunny-research Credited to bugbunny-research and stefan6419846 stefan6419846 stefan6419846
pypdf: Manipulated FlateDecode XFA streams can exhaust RAM Moderate
CVE-2026-27888 was published for pypdf (pip) Feb 26, 2026
bekkaze Credited to bekkaze and stefan6419846 stefan6419846 stefan6419846
pypdf possibly has long runtimes for malformed FlateDecode streams Moderate
CVE-2026-27026 was published for pypdf (pip) Feb 18, 2026
CheonWoong-Park Credited to CheonWoong-Park and stefan6419846 stefan6419846 stefan6419846
pypdf has possible long runtimes/large memory usage for large /ToUnicode streams Moderate
CVE-2026-27025 was published for pypdf (pip) Feb 18, 2026
CheonWoong-Park Credited to CheonWoong-Park and stefan6419846 stefan6419846 stefan6419846
pypdf has a possible infinite loop when processing TreeObject Moderate
CVE-2026-27024 was published for pypdf (pip) Feb 18, 2026
CheonWoong-Park Credited to CheonWoong-Park and stefan6419846 stefan6419846 stefan6419846
pypdf has possible Infinite Loop when processing outlines/bookmarks Moderate
CVE-2026-24688 was published for pypdf (pip) Jan 26, 2026
JoakimBulow Credited to JoakimBulow and stefan6419846 stefan6419846 stefan6419846
pypdf has possible long runtimes for malformed startxref Low
CVE-2026-22691 was published for pypdf (pip) Jan 9, 2026
mkaalto Credited to mkaalto and stefan6419846 stefan6419846 stefan6419846
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