CVE-2026-111148
libsidplayfp through 3.1.1 Heap Out-of-Bounds Read via SidTuneBase::acceptSidTune
libsidplayfp libsidplayfp
CVSS
6.8MediumExploitationPublic exploit codeCISA's assessment says proof of concept code is public, assessed 15 Oct 2026. Not in the KEV catalogCISA via CVE List
Exploit odds (EPSS)0.13%Chance of exploitation activity in the next 30 days, higher than 2% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
Description
libsidplayfp through 3.1.1 contains a heap out-of-bounds read vulnerability that allows attackers to crash applications by supplying a PSID/RSID file with an unchecked data offset. Attackers can set the header data offset beyond the file size, wrapping the length calculation so resolveAddrs() reads up to 64 KiB past the heap buffer.
Text from CVE List
Affected versions 1
- libsidplayfpaffected: all versions through 3.1.1CVE List
References 5
- vulncheck.com/advisories/libsidplayfp-through-3.1.1-heap-out-of-bounds-read-via-sidtunebase-acceptsidtuneAdvisoryvia CVE List
- hackmd.io/@haind-pwn/libsidplayfp-psid-dataoffset-underflow-oob-readExploitvia CVE List
- github.com/libsidplayfp/libsidplayfp/blob/732fa8ec8131fc75aafc2eaea583ddcdeea2a3cc/src/sidtune/SidTuneBase.cpp#L295-L300Referencevia CVE List
- github.com/libsidplayfp/libsidplayfp/blob/732fa8ec8131fc75aafc2eaea583ddcdeea2a3cc/src/sidtune/SidTuneBase.cpp#L488-L500Referencevia CVE List
- github.com/libsidplayfp/libsidplayfpReferencevia CVE List