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CVE-2024-14030 affects Sereal::Decoder for Perl versions 4.000 through 4.009_002. The issue is not described as a flaw in Sereal::Decoder’s own logic, but rather that affected releases embed a vulnerable version of the Zstandard (zstd) library. The bundled zstd code is vulnerable to CVE-2019-11922, a race condition in Zstandard one-pass compression functions prior to version 1.3.8. Under conditions where an output buffer smaller than the recommended size is used, the flaw can result in an out-of-bounds write / buffer overwrite. The advisory characterizes this as use of a vulnerable third-party component.
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What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.
What an attacker gets, and what they’ve been doing with it.
If you can’t patch tonight, do this now.
Patch, then assume compromise.
No public exploits tracked yet. Mallory keeps watching.
No public exploit code observed for this vulnerability.
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.
4 sources tracked across advisories, community write-ups, and news. New activity surfaces here as Mallory finds it.
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.