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CVE-2019-10098 is an open-redirect vulnerability in Apache HTTP Server mod_rewrite affecting versions 2.4.0 through 2.4.39. Certain rewrite rules configured to issue self-referential redirects can be confused by encoded newline characters in a request. The resulting pattern match or substitution can resolve to an attacker-controlled, unexpected URL embedded in the request rather than the intended local destination. Apache HTTP Server 2.4.41 corrected the behavior by enabling the PCRE_DOTALL flag by default, preventing unpredictable matching and substitution involving encoded line-break characters.
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No valid public exploits. Mallory filtered out 1 candidate as fakes, detection scripts, or README-only repos.
All candidate exploits were filtered out by Mallory's validation.
Products and vendors Mallory has correlated with this vulnerability. Open in Mallory to drill down to specific CPE configurations and version ranges.
Vendor-confirmed product mapping. Mallory continuously reconciles this list against your asset inventory.
14 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
A vulnerability identified as CVE-2019-10098 affecting the Unity Linux/UOS Server package set covered by the UTSA-2026-090059 security update.
A potential open-redirect vulnerability in Apache HTTP Server mod_rewrite.
A potential open-redirect vulnerability in Apache HTTP Server mod_rewrite.
A potential open-redirect vulnerability in Apache HTTP Server mod_rewrite.
Query your assets running an affected version, and investigate the blast radius.
Every observed campaign linking this CVE to a named adversary.
Malware families riding this exploit, with evidence and IOCs.
YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.
Cross-references every affected SKU, including bundled OEM variants.
Community discussion across Reddit, Mastodon, and other social sources.