CVE Explorer
CVE-2026-48112
7-Zip is a file archiver with a high compression ratio. Versions 9.18 through 26.00 contain a heap out-of-bounds read in 7-Zip Ar handler BSD SYMDEF parser. A 4-byte heap out-of-bounds read exists in the Unix ar archive parser in 7-Zip. When parsing a BSD-style __.SYMDEF symbol table, the ParseLibSymbols function reads a 32-bit namesSize field via Get32 at a position that can equal the buffer size, reading 4 bytes past the end of the heap allocation. This reads uninitialized heap data under the
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1
Preserved source conflicts
No provider value was silently selected as the winner.
cwe · 2 assertions
{"cweId":"CWE-190","description":"CWE-190: Integer Overflow or Wraparound","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:a8439bda69a88866190e6d6b3abc878f4859bf46d0e3c40114ef0924412d8e86 · sha256:ddbad69f4034af09… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-125","description":"CWE-125: Out-of-bounds Read","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:a8439bda69a88866190e6d6b3abc878f4859bf46d0e3c40114ef0924412d8e86 · sha256:ddbad69f4034af09… · /containers/cna/problemTypes/1/descriptions/0
Affected products and versions
1 source assertion{"product":"7-Zip","vendor":"mcmilk","versions":[{"status":"affected","version":">= 9.34, < 26.01"}]}
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:a8439bda69a88866190e6d6b3abc878f4859bf46d0e3c40114ef0924412d8e86 · sha256:ddbad69f4034af09… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"HIGH","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:a8439bda69a88866190e6d6b3abc878f4859bf46d0e3c40114ef0924412d8e86 · sha256:ddbad69f4034af09… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
2 source assertions{"cweId":"CWE-190","description":"CWE-190: Integer Overflow or Wraparound","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:a8439bda69a88866190e6d6b3abc878f4859bf46d0e3c40114ef0924412d8e86 · sha256:ddbad69f4034af09… · /containers/cna/problemTypes/0/descriptions/0
{"cweId":"CWE-125","description":"CWE-125: Out-of-bounds Read","lang":"en","type":"CWE"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:a8439bda69a88866190e6d6b3abc878f4859bf46d0e3c40114ef0924412d8e86 · sha256:ddbad69f4034af09… · /containers/cna/problemTypes/1/descriptions/0
Source references
1 source assertion{"name":"https://securitylab.github.com/advisories/GHSL-2026-115_GHSL-2026-122_7-zip/","tags":["x_refsource_CONFIRM"],"url":"https://securitylab.github.com/advisories/GHSL-2026-115_GHSL-2026-122_7-zip/"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:a8439bda69a88866190e6d6b3abc878f4859bf46d0e3c40114ef0924412d8e86 · sha256:ddbad69f4034af09… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.