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4 vulnerabilities by selmf
CVE-2026-111274 (GCVE-0-2026-111274)
Vulnerability from nvd – Published: 2026-10-15 21:43 – Updated: 2026-10-15 21:43
VLAI
EPSS
VEX
Title
unarr through 1.1.1 Heap Out-of-Bounds Read via zip_parse_extra_fields
Summary
unarr through 1.1.1 contains a heap-based out-of-bounds read in zip_parse_extra_fields() in zip/parse-zip.c due to an incorrect ZIP64 extra field length check. Attackers can supply a crafted ZIP archive with 0xFFFFFFFF sentinel values and a truncated ZIP64 record to read past the heap buffer and crash the process.
Severity
5.5 (Medium)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://hackmd.io/@haind-pwn/unarr-tar-zip-oob | technical-description |
| https://github.com/selmf/unarr/blob/b211040df83de… | technical-description |
| https://github.com/selmf/unarr | product |
| https://www.vulncheck.com/advisories/unarr-throug… | third-party-advisory |
Date Public
2026-10-15 00:00
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CVE-2026-111273 (GCVE-0-2026-111273)
Vulnerability from nvd – Published: 2026-10-15 21:43 – Updated: 2026-10-16 19:39
VLAI
EPSS
VEX
Title
unarr through 1.1.1 Off-by-One Heap Buffer Overflow via tar_get_name
Summary
unarr through 1.1.1 contains an off-by-one heap-based buffer overflow in tar_get_name() in tar/parse-tar.c, reachable through the ar_entry_get_name() API. Attackers can supply a crafted TAR archive with a full ustar prefix and name to write a NUL byte past the allocation, corrupting heap memory and crashing the process.
Severity
6.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 19:38 UTC
CWE
- CWE-193 - Off-by-one Error
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://hackmd.io/@haind-pwn/unarr-tar-zip-oob | technical-description |
| https://github.com/selmf/unarr/blob/b211040df83de… | technical-description |
| https://github.com/selmf/unarr | product |
| https://www.vulncheck.com/advisories/unarr-throug… | third-party-advisory |
| https://hackmd.io/@haind-pwn/cve-2026-111273-1112… | exploit |
Date Public
2026-10-15 00:00
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CVE-2026-111274 (GCVE-0-2026-111274)
Vulnerability from cvelistv5 – Published: 2026-10-15 21:43 – Updated: 2026-10-15 21:43
VLAI
EPSS
VEX
Title
unarr through 1.1.1 Heap Out-of-Bounds Read via zip_parse_extra_fields
Summary
unarr through 1.1.1 contains a heap-based out-of-bounds read in zip_parse_extra_fields() in zip/parse-zip.c due to an incorrect ZIP64 extra field length check. Attackers can supply a crafted ZIP archive with 0xFFFFFFFF sentinel values and a truncated ZIP64 record to read past the heap buffer and crash the process.
Severity
5.5 (Medium)
CWE
- CWE-125 - Out-of-bounds Read
Assigner
References
4 references
| URL | Tags |
|---|---|
| https://hackmd.io/@haind-pwn/unarr-tar-zip-oob | technical-description |
| https://github.com/selmf/unarr/blob/b211040df83de… | technical-description |
| https://github.com/selmf/unarr | product |
| https://www.vulncheck.com/advisories/unarr-throug… | third-party-advisory |
Date Public
2026-10-15 00:00
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CVE-2026-111273 (GCVE-0-2026-111273)
Vulnerability from cvelistv5 – Published: 2026-10-15 21:43 – Updated: 2026-10-16 19:39
VLAI
EPSS
VEX
Title
unarr through 1.1.1 Off-by-One Heap Buffer Overflow via tar_get_name
Summary
unarr through 1.1.1 contains an off-by-one heap-based buffer overflow in tar_get_name() in tar/parse-tar.c, reachable through the ar_entry_get_name() API. Attackers can supply a crafted TAR archive with a full ustar prefix and name to write a NUL byte past the allocation, corrupting heap memory and crashing the process.
Severity
6.1 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-16 19:38 UTC
CWE
- CWE-193 - Off-by-one Error
Assigner
References
5 references
| URL | Tags |
|---|---|
| https://hackmd.io/@haind-pwn/unarr-tar-zip-oob | technical-description |
| https://github.com/selmf/unarr/blob/b211040df83de… | technical-description |
| https://github.com/selmf/unarr | product |
| https://www.vulncheck.com/advisories/unarr-throug… | third-party-advisory |
| https://hackmd.io/@haind-pwn/cve-2026-111273-1112… | exploit |
Date Public
2026-10-15 00:00
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}
},
"cveMetadata": {
"assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10",
"assignerShortName": "VulnCheck",
"cveId": "CVE-2026-111273",
"datePublished": "2026-10-15T21:43:19.717Z",
"dateReserved": "2026-10-15T19:33:20.652Z",
"dateUpdated": "2026-10-16T19:39:08.849Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}