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Thu, 20 Aug 2026 19:30:00 +0000
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ssvc
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Thu, 20 Aug 2026 18:00:00 +0000
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| Description | Libevent is an event notification library. Prior to 2.1.13 and 2.2.2-alpha, libevent can read beyond a contiguous evbuffer region in event_tagging.c when decode_tag_internal requests at most five bytes from evbuffer_pullup but iterates using the full logical buffer length. A fragmented evbuffer containing a six-byte malformed tag can therefore advance past the pullup window and trigger an out-of-bounds read, which can crash a process that decodes attacker-controlled tagged RPC data. This issue is fixed in versions 2.1.13 and 2.2.2-alpha. | |
| Title | Libevent: decode_tag_internal() can lead to out-of-bounds read | |
| Weaknesses | CWE-125 | |
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| Metrics |
cvssV4_0
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Subscriptions
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Status: PUBLISHED
Assigner: GitHub_M
Published:
Updated: 2026-08-20T18:41:23.897Z
Reserved: 2026-07-16T17:39:30.171Z
Link: CVE-2026-63383
Updated: 2026-08-20T18:40:02.691Z
Status : Received
Published: 2026-08-20T18:16:35.917
Modified: 2026-08-20T19:16:57.310
Link: CVE-2026-63383
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OpenCVE Enrichment
No data.
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CWE-125
Out-of-bounds Read