Musl-Libc Musl vulnerabilities

9 known vulnerabilities affecting musl-libc/musl.

Total CVEs
9
CISA KEV
0
Public exploits
1
Exploited in wild
0
Severity breakdown
CRITICAL5HIGH3MEDIUM1

Vulnerabilities

Page 1 of 1
CVE-2026-40200HIGHCVSS 8.1≥ 0.7.10, ≤ 1.2.62026-04-10
CVE-2026-40200 [HIGH] CWE-670 CVE-2026-40200: An issue was discovered in musl libc 0.7.10 through 1.2.6. Stack-based memory corruption can occur d An issue was discovered in musl libc 0.7.10 through 1.2.6. Stack-based memory corruption can occur during qsort of very large arrays, due to incorrectly implemented double-word primitives. The number of elements must exceed about seven million, i.e., the 32nd Leonardo number on 32-bit platforms (or the 64th Leonardo number on 64-bit platforms, which i
cvelistv5nvd
CVE-2025-26519HIGHCVSS 7.0≥ 0.9.13, < 1.2.62025-02-14
CVE-2025-26519 [HIGH] CWE-787 CVE-2025-26519: musl libc 0.9.13 through 1.2.5 before 1.2.6 has an out-of-bounds write vulnerability when an attacke musl libc 0.9.13 through 1.2.5 before 1.2.6 has an out-of-bounds write vulnerability when an attacker can trigger iconv conversion of untrusted EUC-KR text to UTF-8.
cvelistv5nvdosv
CVE-2018-1000001CRITICALCVSS 9.8PoC≥ 0, < 0.9.15-1ubuntu0.1~esm1≥ 0, < 1.1.9-1ubuntu0.1~esm22021-03-15
CVE-2018-1000001 [CRITICAL] musl vulnerabilities musl vulnerabilities It was discovered that musl did not properly handle kernel syscalls. An attacker could use this vulnerability to cause a denial of service (crash) or possibly execute arbitrary code. (CVE-2018-1000001) It was discovered that musl did not properly handle the parsing of DNS response codes. A remote attacker could use this vulnerability to cause resource consumption (infinite loop), denial of service, or possibly execute arbitr
osv
CVE-2020-28928MEDIUMCVSS 5.5≤ 1.2.12020-11-24
CVE-2020-28928 [MEDIUM] CWE-787 CVE-2020-28928: In musl libc through 1.2.1, wcsnrtombs mishandles particular combinations of destination buffer size In musl libc through 1.2.1, wcsnrtombs mishandles particular combinations of destination buffer size and source character limit, as demonstrated by an invalid write access (buffer overflow).
nvdosv
CVE-2014-3484CRITICALCVSS 9.8≥ 0.9.13, ≤ 1.0.3≥ 1.1.0, < 1.1.22020-02-20
CVE-2014-3484 [CRITICAL] CWE-787 CVE-2014-3484: Multiple stack-based buffer overflows in the __dn_expand function in network/dn_expand.c in musl lib Multiple stack-based buffer overflows in the __dn_expand function in network/dn_expand.c in musl libc 1.1x before 1.1.2 and 0.9.13 through 1.0.3 allow remote attackers to (1) have unspecified impact via an invalid name length in a DNS response or (2) cause a denial of service (crash) via an invalid name length in a DNS response, related to an infini
nvdosv
CVE-2019-14697CRITICALCVSS 9.8≥ 0.9.12, ≤ 1.1.232019-08-06
CVE-2019-14697 [CRITICAL] CWE-787 CVE-2019-14697: musl libc through 1.1.23 has an x87 floating-point stack adjustment imbalance, related to the math/i musl libc through 1.1.23 has an x87 floating-point stack adjustment imbalance, related to the math/i386/ directory. In some cases, use of this library could introduce out-of-bounds writes that are not present in an application's source code.
nvdosv
CVE-2017-15650HIGHCVSS 7.5≤ 1.1.62017-10-19
CVE-2017-15650 [HIGH] CWE-119 CVE-2017-15650: musl libc before 1.1.17 has a buffer overflow via crafted DNS replies because dns_parse_callback in musl libc before 1.1.17 has a buffer overflow via crafted DNS replies because dns_parse_callback in network/lookup_name.c does not restrict the number of addresses, and thus an attacker can provide an unexpected number by sending A records in a reply to an AAAA query.
nvdosv
CVE-2015-1817CRITICALCVSS 9.8v0.9.15v1.0.0+12 more2017-08-18
CVE-2015-1817 [CRITICAL] CWE-119 CVE-2015-1817: Stack-based buffer overflow in the inet_pton function in network/inet_pton.c in musl libc 0.9.15 thr Stack-based buffer overflow in the inet_pton function in network/inet_pton.c in musl libc 0.9.15 through 1.0.4, and 1.1.0 through 1.1.7 allows attackers to have unspecified impact via unknown vectors.
nvdosv
CVE-2016-8859CRITICALCVSS 9.8≥ 0, < 1.1.15-22017-02-13
CVE-2016-8859 [CRITICAL] CVE-2016-8859: Multiple integer overflows in the TRE library and musl libc allow attackers to cause memory corruption via a large number of (1) states or (2) tags, w Multiple integer overflows in the TRE library and musl libc allow attackers to cause memory corruption via a large number of (1) states or (2) tags, which triggers an out-of-bounds write.
osv