How many CVEs have patched src?

4 published CVEs changed src in debian/glibc, in 5 distinct patches totalling 361 changed lines, between 2023 and 2026.

What is the latest CVE that changed src?

CVE-2025-15281 (wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory), published 2026-01-20, changed lines 75 to 112 of sysdeps/aarch64/memchr.S.

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

debian/glibc has 23 CVEs with a located fix in total; 4 of them changed src.

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

5 files

src

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

Defined in 5 files

Last patched January 20, 2026

4

CVEs

That changed this function

5

Distinct patches

Backports counted once

361

Lines changed

Added plus removed

2023–2026

Years

By CVE publication date

Overview

src in debian/glibc was changed by 4 published CVE fixes between 2023 and 2026, in 5 distinct patches that added or removed 361 lines in total.

The name occurs in 5 files: sysdeps/aarch64/memchr.S, sysdeps/aarch64/strchrnul.S, sysdeps/aarch64/strchr.S, sysdeps/aarch64/strnlen.S, sysdeps/aarch64/strlen.S.

debian/glibc has 23 CVEs with a located fix in total, so 17% of them touched this function.

CVEs that patched it

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

wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory
CVE-2025-15281 · sysdeps/aarch64/memchr.S · lines 75–112 · +14 −12
High · CVSS 7.5
EPSS 0.5%2026-01-20
wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory
CVE-2025-15281 · sysdeps/aarch64/strchrnul.S · lines 73–88 · +10 −2
High · CVSS 7.5
EPSS 0.5%2026-01-20

wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory

CVE-2025-15281 · sysdeps/aarch64/strchr.S · lines 80–107 · +13 −7

High · CVSS 7.5

EPSS 0.5%2026-01-20

wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory

CVE-2025-15281 · sysdeps/aarch64/strnlen.S · lines 71–104 · +14 −10

High · CVSS 7.5

EPSS 0.5%2026-01-20

CVE-2025-0395

CVE-2025-0395 · sysdeps/aarch64/memchr.S · lines 75–112 · +14 −12

Medium · CVSS 6.2

EPSS 0.4%2025-01-22

CVE-2025-0395

CVE-2025-0395 · sysdeps/aarch64/strchrnul.S · lines 73–88 · +10 −2

Medium · CVSS 6.2

EPSS 0.4%2025-01-22

CVE-2025-0395

CVE-2025-0395 · sysdeps/aarch64/strchr.S · lines 80–107 · +13 −7

Medium · CVSS 6.2

EPSS 0.4%2025-01-22

CVE-2025-0395

CVE-2025-0395 · sysdeps/aarch64/strlen.S · lines 68–86 · +9 −2

Medium · CVSS 6.2

EPSS 0.4%2025-01-22

CVE-2025-0395

CVE-2025-0395 · sysdeps/aarch64/strnlen.S · lines 71–104 · +14 −10

Medium · CVSS 6.2

EPSS 0.4%2025-01-22

Glibc: potential use-after-free in getaddrinfo()

CVE-2023-4806 · sysdeps/aarch64/memchr.S · lines 75–112 · +14 −12

Medium · CVSS 5.9

EPSS 1.6%2023-09-18

Glibc: potential use-after-free in getaddrinfo()

CVE-2023-4806 · sysdeps/aarch64/strchrnul.S · lines 73–88 · +10 −2

Medium · CVSS 5.9

EPSS 1.6%2023-09-18

Glibc: potential use-after-free in getaddrinfo()

CVE-2023-4806 · sysdeps/aarch64/strchr.S · lines 80–107 · +13 −7

Medium · CVSS 5.9

EPSS 1.6%2023-09-18

Glibc: potential use-after-free in getaddrinfo()

CVE-2023-4806 · sysdeps/aarch64/strlen.S · lines 68–86 · +9 −2

Medium · CVSS 5.9

EPSS 1.6%2023-09-18

Glibc: potential use-after-free in getaddrinfo()

CVE-2023-4806 · sysdeps/aarch64/strnlen.S · lines 71–104 · +14 −10

Medium · CVSS 5.9

EPSS 1.6%2023-09-18

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

CVE-2023-4527 · sysdeps/aarch64/memchr.S · lines 75–112 · +14 −12

Medium · CVSS 6.5

EPSS 1.7%2023-09-18

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

CVE-2023-4527 · sysdeps/aarch64/strchrnul.S · lines 73–88 · +10 −2

Medium · CVSS 6.5

EPSS 1.7%2023-09-18

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

CVE-2023-4527 · sysdeps/aarch64/strchr.S · lines 80–107 · +13 −7

Medium · CVSS 6.5

EPSS 1.7%2023-09-18

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

CVE-2023-4527 · sysdeps/aarch64/strlen.S · lines 68–86 · +9 −2

Medium · CVSS 6.5

EPSS 1.7%2023-09-18

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

CVE-2023-4527 · sysdeps/aarch64/strnlen.S · lines 71–104 · +14 −10

Medium · CVSS 6.5

EPSS 1.7%2023-09-18

Get an alert when the next CVE fix lands in debian/glibc, with the patched functions.

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Other functions in these files

Functions in the same files that CVE fixes also changed.

1lensysdeps/aarch64/strnlen.S5 CVEs · 1 patches2017 to 2021

Other hotspots in the repository

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

tmp19 CVEs · sysdeps/aarch64/memcpy.S __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

All patched functions in debian/glibc

Frequently asked questions

Common questions about CVE fixes to src.

How many CVEs have patched src?: 4 published CVEs changed src in debian/glibc, in 5 distinct patches totalling 361 changed lines, between 2023 and 2026.
What is the latest CVE that changed src?: CVE-2025-15281 (wordexp with WRDE_REUSE and WRDE_APPEND may return uninitialized memory), published 2026-01-20, changed lines 75 to 112 of sysdeps/aarch64/memchr.S.
How does src compare to the rest of debian/glibc?: debian/glibc has 23 CVEs with a located fix in total; 4 of them changed src.
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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