How many CVEs have patched tmp1?

9 published CVEs changed tmp1 in debian/glibc, in 2 distinct patches totalling 851 changed lines, between 2017 and 2026.

What is the latest CVE that changed tmp1?

CVE-2025-15281 (wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory), published 2026-01-20, changed lines 201 to 250 of sysdeps/aarch64/memcpy.S.

How does tmp1 compare to the rest of debian/glibc?

debian/glibc has 23 CVEs with a located fix in total; 9 of them changed tmp1.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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debian/glibc

Function

tmp1

Name: tmp1 in debian/glibc: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

sysdeps/aarch64/memcpy.S

Last patched January 20, 2026

9

CVEs

That changed this function

2

Distinct patches

Backports counted once

851

Lines changed

Added plus removed

2017–2026

Years

By CVE publication date

Overview

tmp1 in debian/glibc was changed by 9 published CVE fixes between 2017 and 2026, in 2 distinct patches that added or removed 851 lines in total.

debian/glibc has 23 CVEs with a located fix in total, so 39% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed tmp1, newest first, with the lines each fix touched.

wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory
CVE-2025-15281 · lines 201–250 · +28 −36
High · CVSS 7.5
EPSS 0.5%2026-01-20
CVE-2025-0395
CVE-2025-0395 · lines 201–250 · +28 −36
Medium · CVSS 6.2
EPSS 0.4%2025-01-22
Glibc: potential use-after-free in getaddrinfo()
CVE-2023-4806 · lines 201–250 · +28 −36

Medium · CVSS 5.9

EPSS 1.6%2023-09-18

Glibc: stack read overflow in getaddrinfo in no-aaaa mode

CVE-2023-4527 · lines 201–250 · +28 −36

Medium · CVSS 6.5

EPSS 1.7%2023-09-18

CVE-2020-27618

CVE-2020-27618 · lines 61–170 · +58 −61

Medium · CVSS 5.5

EPSS 0.9%2021-02-26

CVE-2019-25013

CVE-2019-25013 · lines 61–170 · +58 −61

Medium · CVSS 5.9

EPSS 3.6%2021-01-04

CVE-2020-29562

CVE-2020-29562 · lines 61–170 · +58 −61

Medium · CVSS 4.8

EPSS 1.7%2020-12-04

CVE-2020-6096

CVE-2020-6096 · lines 61–170 · +58 −61

High · CVSS 8.1

EPSS 5.5%2020-04-01

CVE-2016-10228

CVE-2016-10228 · lines 61–170 · +58 −61

Medium · CVSS 5.9

EPSS 4.1%2017-03-02

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1dstendsysdeps/aarch64/memcpy.S5 CVEs · 1 patches2017 to 2021

Other hotspots in the repository

Functions in debian/glibc changed by the most CVE fixes.

__mips16_syscall15 CVEs · sysdeps/unix/sysv/linux/mips/mips32/mips16/mips16-syscall.h dstend5 CVEs · sysdeps/aarch64/memcpy.S __gconv_open5 CVEs · iconv/gconv_int.h len5 CVEs · sysdeps/aarch64/strnlen.S __volatile__5 CVEs · sysdeps/unix/sysv/linux/microblaze/sysdep.h __mips_syscall55 CVEs · sysdeps/unix/sysv/linux/mips/mips32/sysdep.h

All patched functions in debian/glibc

Frequently asked questions

Common questions about CVE fixes to tmp1.

How many CVEs have patched tmp1?: 9 published CVEs changed tmp1 in debian/glibc, in 2 distinct patches totalling 851 changed lines, between 2017 and 2026.
What is the latest CVE that changed tmp1?: CVE-2025-15281 (wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory), published 2026-01-20, changed lines 201 to 250 of sysdeps/aarch64/memcpy.S.
How does tmp1 compare to the rest of debian/glibc?: debian/glibc has 23 CVEs with a located fix in total; 9 of them changed tmp1.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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