Threats Tagged 'cve-2026-42007'
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Threats Tagged 'cve-2026-42007'
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An attacker that has valid credentials can use a Sieve script with the editheader extension to trigger a use-after-free in the mail editing code,… (CVE-2026-42007)CVE-2026-42007 0 An attacker that has valid credentials can use a Sieve script with the editheader extension to trigger a use-after-free in the mail editing code, and to write memory contents beyond the intended buffer into the delivered mail. This causes memory leak and opportunity to do memory corruption during mail delivery, which can crash the delivery process and may allow execution of arbitrary code in the context of that process. Disable the Sieve editheader extension. Update to non-vulnerable version. No publicly available exploits are known. Join the discussion | GCVE Database | 08/28/2026, 12:30:25 UTC Added: 08/28/2026, 15:22:39 UTC |
CVE-2026-42007: Use After Free in Open-Xchange GmbH OX Dovecot ProCVE-2026-42007 0 An attacker that has valid credentials can use a Sieve script with the editheader extension to trigger a use-after-free in the mail editing code, and to write memory contents beyond the intended buffer into the delivered mail. This causes memory leak and opportunity to do memory corruption during mail delivery, which can crash the delivery process and may allow execution of arbitrary code in the context of that process. Disable the Sieve editheader extension. Update to non-vulnerable version. No publicly available exploits are known. Join the discussion | CVE Database V5 | 08/28/2026, 10:12:25 UTC Added: 08/28/2026, 11:22:50 UTC |
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