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CVE-2026-107891: musl libc: multiple integer overflow in regcomp, possibly leading to incorrect allocation sizes and out-of-bounds heap writes

1 comments · c, security

–Rank now
#6Best rank
–Score · 24h
263Score · 7d
3Days on list
81Snapshots
Oct 21, 2026First seen

Summary

CVE-2026-107891: musl libc: multiple integer overflow in regcomp, possibly leading to incorrect allocation sizes and out-of-bounds heap writes was first seen on Lobsters · Hottest on Oct 21, 2026. Since then it appeared in 81 hourly checks across 3 days, peaking at #6 on Oct 21, 22:53 UTC. It was last on the list on Oct 23, 10:03 UTC.

Rank history

Position on Lobsters · Hottest at every check (lower is better).

#1#9#17#25 17:5303:5513:5800:0010:03 Oct 21, 17:53 UTC · #20Oct 21, 18:23 UTC · #9Oct 21, 18:53 UTC · #9Oct 21, 19:23 UTC · #8Oct 21, 19:53 UTC · #8Oct 21, 20:23 UTC · #8Oct 21, 20:53 UTC · #8Oct 21, 21:23 UTC · #7Oct 21, 21:53 UTC · #7Oct 21, 22:23 UTC · #7Oct 21, 22:53 UTC · #6Oct 21, 23:23 UTC · #6Oct 21, 23:53 UTC · #6Oct 22, 00:23 UTC · #6Oct 22, 00:53 UTC · #7Oct 22, 01:23 UTC · #7Oct 22, 01:53 UTC · #7Oct 22, 02:23 UTC · #6Oct 22, 02:53 UTC · #7Oct 22, 03:23 UTC · #6Oct 22, 03:53 UTC · #6Oct 22, 04:23 UTC · #6Oct 22, 04:53 UTC · #6Oct 22, 05:23 UTC · #6Oct 22, 05:53 UTC · #6Oct 22, 06:24 UTC · #6Oct 22, 06:54 UTC · #6Oct 22, 07:24 UTC · #6Oct 22, 07:54 UTC · #7Oct 22, 08:24 UTC · #7Oct 22, 08:54 UTC · #7Oct 22, 09:24 UTC · #7Oct 22, 09:54 UTC · #7Oct 22, 10:24 UTC · #7Oct 22, 10:54 UTC · #7Oct 22, 11:24 UTC · #7Oct 22, 11:54 UTC · #7Oct 22, 12:24 UTC · #8Oct 22, 12:54 UTC · #8Oct 22, 13:25 UTC · #8Oct 22, 13:55 UTC · #8Oct 22, 14:25 UTC · #8Oct 22, 14:55 UTC · #8Oct 22, 15:25 UTC · #9Oct 22, 15:55 UTC · #9Oct 22, 16:25 UTC · #8Oct 22, 16:55 UTC · #10Oct 22, 17:25 UTC · #11Oct 22, 17:55 UTC · #12Oct 22, 18:25 UTC · #13Oct 22, 18:55 UTC · #14Oct 22, 19:25 UTC · #14Oct 22, 19:55 UTC · #14Oct 22, 20:25 UTC · #15Oct 22, 20:55 UTC · #14Oct 22, 21:25 UTC · #17Oct 22, 21:55 UTC · #18Oct 22, 22:25 UTC · #19Oct 22, 22:55 UTC · #19Oct 22, 23:25 UTC · #20Oct 22, 23:55 UTC · #21Oct 23, 00:25 UTC · #21Oct 23, 00:55 UTC · #19Oct 23, 01:25 UTC · #20Oct 23, 01:55 UTC · #21Oct 23, 02:25 UTC · #22Oct 23, 02:55 UTC · #22Oct 23, 03:25 UTC · #22Oct 23, 03:56 UTC · #22Oct 23, 04:27 UTC · #22Oct 23, 04:57 UTC · #23Oct 23, 05:27 UTC · #23Oct 23, 05:59 UTC · #24Oct 23, 06:29 UTC · #23Oct 23, 06:59 UTC · #23Oct 23, 07:29 UTC · #23Oct 23, 07:59 UTC · #24Oct 23, 08:29 UTC · #24Oct 23, 09:01 UTC · #25Oct 23, 09:31 UTC · #25Oct 23, 10:03 UTC · #25

Last 14 days

Best rank per day (UTC).

Oct 14today

Metric history

Platform metric as reported by Lobsters.

0193857 17:5303:5513:5800:0010:03 Oct 21, 17:53 UTC · 3Oct 21, 18:23 UTC · 7Oct 21, 18:53 UTC · 8Oct 21, 19:23 UTC · 9Oct 21, 19:53 UTC · 12Oct 21, 20:23 UTC · 12Oct 21, 20:53 UTC · 14Oct 21, 21:23 UTC · 16Oct 21, 21:53 UTC · 17Oct 21, 22:23 UTC · 18Oct 21, 22:53 UTC · 21Oct 21, 23:23 UTC · 22Oct 21, 23:53 UTC · 22Oct 22, 00:23 UTC · 22Oct 22, 00:53 UTC · 23Oct 22, 01:23 UTC · 24Oct 22, 01:53 UTC · 24Oct 22, 02:23 UTC · 25Oct 22, 02:53 UTC · 25Oct 22, 03:23 UTC · 26Oct 22, 03:53 UTC · 26Oct 22, 04:23 UTC · 27Oct 22, 04:53 UTC · 27Oct 22, 05:23 UTC · 28Oct 22, 05:53 UTC · 28Oct 22, 06:24 UTC · 29Oct 22, 06:54 UTC · 29Oct 22, 07:24 UTC · 29Oct 22, 07:54 UTC · 30Oct 22, 08:24 UTC · 30Oct 22, 08:54 UTC · 30Oct 22, 09:24 UTC · 31Oct 22, 09:54 UTC · 32Oct 22, 10:24 UTC · 33Oct 22, 10:54 UTC · 34Oct 22, 11:24 UTC · 34Oct 22, 11:54 UTC · 37Oct 22, 12:24 UTC · 37Oct 22, 12:54 UTC · 37Oct 22, 13:25 UTC · 38Oct 22, 13:55 UTC · 39Oct 22, 14:25 UTC · 39Oct 22, 14:55 UTC · 40Oct 22, 15:25 UTC · 41Oct 22, 15:55 UTC · 41Oct 22, 16:25 UTC · 44Oct 22, 16:55 UTC · 44Oct 22, 17:25 UTC · 44Oct 22, 17:55 UTC · 45Oct 22, 18:25 UTC · 46Oct 22, 18:55 UTC · 46Oct 22, 19:25 UTC · 46Oct 22, 19:55 UTC · 46Oct 22, 20:25 UTC · 46Oct 22, 20:55 UTC · 48Oct 22, 21:25 UTC · 49Oct 22, 21:55 UTC · 49Oct 22, 22:25 UTC · 49Oct 22, 22:55 UTC · 50Oct 22, 23:25 UTC · 50Oct 22, 23:55 UTC · 50Oct 23, 00:25 UTC · 50Oct 23, 00:55 UTC · 51Oct 23, 01:25 UTC · 52Oct 23, 01:55 UTC · 52Oct 23, 02:25 UTC · 52Oct 23, 02:55 UTC · 52Oct 23, 03:25 UTC · 52Oct 23, 03:56 UTC · 52Oct 23, 04:27 UTC · 52Oct 23, 04:57 UTC · 53Oct 23, 05:27 UTC · 53Oct 23, 05:59 UTC · 54Oct 23, 06:29 UTC · 55Oct 23, 06:59 UTC · 55Oct 23, 07:29 UTC · 55Oct 23, 07:59 UTC · 55Oct 23, 08:29 UTC · 56Oct 23, 09:01 UTC · 57Oct 23, 09:31 UTC · 57Oct 23, 10:03 UTC · 57

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CVE-2026-107891: musl libc: multiple integer overflow in regcomp, possibly leading to incorrect allocation sizes and out-of-bounds heap writes on TrendBoard
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[![CVE-2026-107891: musl libc: multiple integer overflow in regcomp, possibly leading to incorrect allocation sizes and out-of-bounds heap writes on TrendBoard](https://trendoday.com/badge/lobsters/story/dldfel-cve-2026-107891-musl-libc-multiple-integer-overflow-in.svg)](https://trendoday.com/lobsters/story/dldfel-cve-2026-107891-musl-libc-multiple-integer-overflow-in)