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GeezerVison is showing github.com — chore: update distroless image to fix CVE-2026-85091 by tim-mwangi · Pull Request #62 · hypertrace/docker-java-base

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@tim-mwangi

@tim-mwangi tim-mwangi commented Nov 9, 2026

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Fix CVE-2026-85091

zlib1g@1:1.3.dfsg+really1.3.1-1+b1
zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gz_vacate() function when processing non-blocking gzwrite() operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf() or gzvprintf() after a write stall, causing an unchecked memmove() to write beyond the internal input buffer boundary.

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@tim-mwangi
chore: update distroless image to fix CVE-2026-85091
031101d 
zlib1g@1:1.3.dfsg+really1.3.1-1+b1
zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gz_vacate() function when processing non-blocking gzwrite() operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf() or gzvprintf() after a write stall, causing an unchecked memmove() to write beyond the internal input buffer boundary.
@tim-mwangi
tim-mwangi requested review from aaron-steinfeld, ravisingal, thugrock7 and varkey98 November 9, 2026 21:24
prodion23
prodion23 approved these changes Nov 10, 2026
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@tim-mwangi
tim-mwangi merged commit 8e2e59c into main Nov 10, 2026
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@tim-mwangi
tim-mwangi deleted the update-distroless branch November 10, 2026 00:49
@varkey98

varkey98 commented Nov 10, 2026

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Ohh nice, they rolled out an image with the fix!!
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@tim-mwangi

tim-mwangi commented Nov 10, 2026

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Testing our javaagent with this fix.
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@prodion23 prodion23 prodion23 approved these changes
@ravisingal ravisingal Awaiting requested review from ravisingal
@aaron-steinfeld aaron-steinfeld Awaiting requested review from aaron-steinfeld
@varkey98 varkey98 Awaiting requested review from varkey98
@thugrock7 thugrock7 Awaiting requested review from thugrock7

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3 participants

@tim-mwangi @varkey98 @prodion23
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