Bug 2483894 (CVE-2026-44740)

Summary: CVE-2026-44740 github.com/go-git/go-billy: Billy: Denial of Service via crafted input due to insufficient validation
Product: [Other] Security Response Reporter: Sandipan Roy <saroy>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: high Docs Contact:
Priority: high    
Version: unspecifiedCC: agarcial, alinfoot, amctagga, anjoseph, anpicker, aoconnor, aprice, asegurap, bniver, bparees, cahl, crizzo, dakwon, derez, dfreiber, dhanak, dkeler, drosa, drow, dschmidt, dsimansk, dtrifiro, dymurray, eborisov, eglynn, flucifre, gmeno, gparvin, groman, gtanzill, hasun, ibolton, jburrell, jbuscemi, jcantril, jfula, jjoyce, jkoehler, jlanda, jmatthew, jmontleo, jowilson, jprabhak, jpretori, jsamir, jschluet, kaycoth, kbempah, kingland, kshier, lball, lchilton, lgamliel, lhh, ljawale, lphiri, manissin, mbenjamin, mburns, mgarciac, mhackett, mnovotny, msilmser, ngough, nyancey, oezr, ometelka, pakotvan, pgaikwad, ptisnovs, rbryant, rekumar, rhaigner, rhel-process-autobot, rjohnson, rojacob, sakbas, sausingh, sbratsla, sfeifer, simaishi, slucidi, solenoci, sostapov, sseago, stcannon, sthirugn, suppawar, syedriko, teagle, thason, vereddy, veshanka, vkumar, vvoronko, watson-tool-maintainers, weaton, whayutin, wtam, xdharmai, yguenane
Target Milestone: ---Keywords: Security
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Hardware: All   
OS: Linux   
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A flaw was found in Billy, an interface filesystem abstraction for Go. This vulnerability allows a remote attacker to cause a Denial of Service (DoS) by providing crafted or malformed input. The issue arises from insufficient validation and missing safety mechanisms when processing untrusted repository data and filesystem structures, leading to panics, infinite loops, uncontrolled recursion, or excessive resource consumption.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
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Bug Depends On: 2496423, 2496484, 2496485, 2496487, 2496488, 2496489, 2496492, 2496493, 2496494, 2496495, 2496496, 2496497, 2496498, 2496499, 2496500, 2496501, 2496502, 2496507, 2496508, 2496510, 2496512, 2496515, 2496516, 2496517, 2496520, 2496522, 2496523, 2496490, 2496503, 2496505, 2496506, 2496511, 2496513, 2496518    
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Description Sandipan Roy 2026-06-02 04:26:41 UTC 
Billy is an interface filesystem abstraction for Go. Prior to versions 5.9.0 and 6.0.0-alpha.1, multiple components may improperly handle crafted or malformed input, resulting in panics, infinite loops, uncontrolled recursion, or excessive resource consumption. These issues arise from insufficient validation and missing safety mechanisms such as cycle detection, recursion limits, or defensive handling of unexpected states when processing untrusted repository data and filesystem structures. This issue has been patched in versions 5.9.0 and 6.0.0-alpha.1.