CVE-2026-93312: falha de média gravidade em Freedesktop Poppler
Freedesktop Poppler JBIG2Stream.cc rewind null pointer dereference
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33Vexday Risk Score
Sem sinal de exploração. Ela tem prova de conceito pública.
ssvc Attendcvss 5.3epss 0.4%
A flaw has been found in Freedesktop Poppler 26.07.0. Impacted is the function JBIG2Stream::rewind of the file poppler/JBIG2Stream.cc. This manipulation causes null pointer dereference. It is possible to initiate the attack remotely. The exploit has been published and may be used. Upgrading to version 26.08.0 is recommended to address this issue. Patch name: 5e49250f13b0390edeb3f90eb4c02c9941f97067. Upgrading the affected component is advised.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
Produtos afetados
Freedesktop · PopplerPoCs públicas encontradas — 1
cve_referencegithub.com/r1ck9-2q/cve_summit/blob/main/Null-pointer-offset-undefined-behavior-in-JBIG2Stream-rewind-JBIG2Stream.cc-1229.mdnão verificado⚠ Recursos públicos, para você avaliar a exposição de sistemas que controla ou está autorizado a testar. Teste apenas com autorização.
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Referências
https://github.com/r1ck9-2q/cve_summit/blob/main/Null-pointer-offset-undefined-behavior-in-JBIG2Stream-rewind-JBIG2Stream.cc-1229.mdhttps://gitlab.freedesktop.org/poppler/poppler/-/commit/5e49250f13b0390edeb3f90eb4c02c9941f97067https://gitlab.freedesktop.org/poppler/poppler/-/merge_requests/2314https://gitlab.freedesktop.org/poppler/poppler/-/work_items/1759https://vuldb.com/cve/CVE-2026-93312https://vuldb.com/submit/942345https://vuldb.com/vuln/406610https://vuldb.com/vuln/406610/cti